Leif Azzopardi


2003

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Investigating the relationship between language model perplexity and IR precision-recall measures
Leif Azzopardi | Mark A. Girolami | Keith van Rijsbergen
SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28 - August 1, 2003, Toronto, Canada

2004

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User biased document language modelling
Leif Azzopardi | Mark A. Girolami | Cornelis Joost van Rijsbergen
SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004

2005

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Age Dependent Document Priors in Link Structure Analysis
Claudia Hauff | Leif Azzopardi
Advances in Information Retrieval, 27th European Conference on IR Research, ECIR 2005, Santiago de Compostela, Spain, March 21-23, 2005, Proceedings

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Combining Thesauri-Based Methods for Biomedical Retrieval
Edgar Meij | Leonie IJzereef | Leif Azzopardi | Jaap Kamps | Maarten de Rijke
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

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Language Modeling Approaches for Enterprise Tasks
Leif Azzopardi | Krisztian Balog | Maarten de Rijke
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

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Probabilistic hyperspace analogue to language
Leif Azzopardi | Mark A. Girolami | Malcolm K. Crowe
SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 2005

2006

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Adaptive Query-Based Sampling of Distributed Collections
Mark Baillie | Leif Azzopardi | Fabio Crestani
String Processing and Information Retrieval, 13th International Conference, SPIRE 2006, Glasgow, UK, October 11-13, 2006, Proceedings

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An Efficient Computation of the Multiple-Bernoulli Language Model
Leif Azzopardi | David E. Losada
Advances in Information Retrieval, 28th European Conference on IR Research, ECIR 2006, London, UK, April 10-12, 2006, Proceedings

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Contextual Information and Assessor Characteristics in Complex Question Answering
Cindy Azzopardi | Leif Azzopardi | Mark Baillie | Ralf Bierig | Emma Nicol | Ian Ruthven | Scott Sweeney
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

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Formal models for expert finding in enterprise corpora
Krisztian Balog | Leif Azzopardi | Maarten de Rijke
SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

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Automatic construction of known-item finding test beds
Leif Azzopardi | Maarten de Rijke
SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

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Adaptive query-based sampling for distributed IR
Leif Azzopardi | Mark Baillie | Fabio Crestani
SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

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Overview of WebCLEF 2006
Krisztian Balog | Leif Azzopardi | Jaap Kamps | Maarten de Rijke
Evaluation of Multilingual and Multi-modal Information Retrieval, 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, September 20-22, 2006, Revised Selected Papers

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Overview of WebCLEF 2006
Krisztian Balog | Leif Azzopardi | Jaap Kamps | Maarten de Rijke
Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), Alicante, Spain, September 20-22, 2006

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Incorporating context within the language modeling approach for ad hoc information retrieval
Leif Azzopardi
2006 Volume 40 Issue 1

2007

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A Retrieval Evaluation Methodology for Incomplete Relevance Assessments
Mark Baillie | Leif Azzopardi | Ian Ruthven
Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings

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Persuasive, Authorative and Topical Answers for Complex Question Answering
Leif Azzopardi | Mark Baillie | Ian Ruthven
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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Building simulated queries for known-item topics: an analysis using six european languages
Leif Azzopardi | Maarten de Rijke | Krisztian Balog
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

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Updating collection representations for federated search
Milad Shokouhi | Mark Baillie | Leif Azzopardi
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

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Broad expertise retrieval in sparse data environments
Krisztian Balog | Toine Bogers | Leif Azzopardi | Maarten de Rijke | Antal van den Bosch
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

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Intra-assessor consistency in question answering
Ian Ruthven | Leif Azzopardi | Mark Baillie | Ralf Bierig | Emma Nicol | Simon O. Sweeney | Murat Yakici
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

2008

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Accessibility in Information Retrieval
Leif Azzopardi | Vishwa Vinay
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings

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Revisiting the relationship between document length and relevance
David E. Losada | Leif Azzopardi | Mark Baillie
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

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Retrievability: an evaluation measure for higher order information access tasks
Leif Azzopardi | Vishwa Vinay
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

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A Methodology for Building a Patent Test Collection for Prior Art Search
Erik Graf | Leif Azzopardi
Proceedings of the 2nd International Workshop on Evaluating Information Access, EVIA 2008, National Center of Sciences, Tokyo, Japan, December 16, 2008

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Resolving Person Names in Web People Search
Krisztian Balog | Leif Azzopardi | Maarten de Rijke
Weaving Services and People on the World Wide Web, [features some of the cutting-edge research work that were presented at the Workshop Track of the 17th International World Wide Web Conference (WWW 2008) held at Beijing, China, from April 21-25, 2008]

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An analysis on document length retrieval trends in language modeling smoothing
David E. Losada | Leif Azzopardi
2008 Volume 11 Issue 2

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Assessing multivariate Bernoulli models for information retrieval
David E. Losada | Leif Azzopardi
2008 Volume 26 Issue 3

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Contextual factors affecting the utility of surrogates within exploratory search
Ian Ruthven | Mark Baillie | Leif Azzopardi | Ralf Bierig | Emma Nicol | Simon O. Sweeney | Murat Yaciki
2008 Volume 44 Issue 2

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Evaluating epistemic uncertainty under incomplete assessments
Mark Baillie | Leif Azzopardi | Ian Ruthven
2008 Volume 44 Issue 2

2009

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The Combination and Evaluation of Query Performance Prediction Methods
Claudia Hauff | Leif Azzopardi | Djoerd Hiemstra
Advances in Information Retrieval, 31th European Conference on IR Research, ECIR 2009, Toulouse, France, April 6-9, 2009. Proceedings

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Usage based effectiveness measures: monitoring application performance in information retrieval
Leif Azzopardi
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

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Relying on topic subsets for system ranking estimation
Claudia Hauff | Djoerd Hiemstra | Franciska de Jong | Leif Azzopardi
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

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Effective query expansion for federated search
Milad Shokouhi | Leif Azzopardi | Paul Thomas
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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Query side evaluation: an empirical analysis of effectiveness and effort
Leif Azzopardi
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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Developing energy efficient filtering systems
Leif Azzopardi | Wim Vanderbauwhede | Mahmoud Moadeli
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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Revisiting logical imaging for information retrieval
Guido Zuccon | Leif Azzopardi | C. J. van Rijsbergen
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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Search engine predilection towards news media providers
Leif Azzopardi | Ciaran Owens
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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When is query performance prediction effective?
Claudia Hauff | Leif Azzopardi
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings

Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings

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The Quantum Probability Ranking Principle for Information Retrieval
Guido Zuccon | Leif Azzopardi | Keith van Rijsbergen
Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings

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Automatically Generating Queries for Prior Art Search
Erik Graf | Leif Azzopardi | Keith van Rijsbergen
Multilingual Information Access Evaluation I. Text Retrieval Experiments, 10th Workshop of the Cross-Language Evaluation Forum, CLEF 2009, Corfu, Greece, September 30 - October 2, 2009, Revised Selected Papers

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Automatically Generating Queries for Prior Art Search
Erik Graf | Leif Azzopardi | Keith van Rijsbergen
Working Notes for CLEF 2009 Workshop co-located with the 13th European Conference on Digital Libraries (ECDL 2009) , Corfù, Greece, September 30 - October 2, 2009

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A language modeling framework for expert finding
Krisztian Balog | Leif Azzopardi | Maarten de Rijke
2009 Volume 45 Issue 1

2010

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A Case for Automatic System Evaluation
Claudia Hauff | Djoerd Hiemstra | Leif Azzopardi | Franciska de Jong
Advances in Information Retrieval, 32nd European Conference on IR Research, ECIR 2010, Milton Keynes, UK, March 28-31, 2010. Proceedings

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Query Performance Prediction: Evaluation Contrasted with Effectiveness
Claudia Hauff | Leif Azzopardi | Djoerd Hiemstra | Franciska de Jong
Advances in Information Retrieval, 32nd European Conference on IR Research, ECIR 2010, Milton Keynes, UK, March 28-31, 2010. Proceedings

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Using the Quantum Probability Ranking Principle to Rank Interdependent Documents
Guido Zuccon | Leif Azzopardi
Advances in Information Retrieval, 32nd European Conference on IR Research, ECIR 2010, Milton Keynes, UK, March 28-31, 2010. Proceedings

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A comparison of user and system query performance predictions
Claudia Hauff | Diane Kelly | Leif Azzopardi
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

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Finding and filtering information for children
Desmond Elliott | Richard Glassey | Tamara Polajnar | Leif Azzopardi
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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Estimating interference in the QPRP for subtopic retrieval
Guido Zuccon | Leif Azzopardi | Claudia Hauff | Keith van Rijsbergen
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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Query quality: user ratings and system predictions
Claudia Hauff | Franciska de Jong | Diane Kelly | Leif Azzopardi
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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Has portfolio theory got any principles?
Guido Zuccon | Leif Azzopardi | Keith van Rijsbergen
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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Search system requirements of patent analysts
Leif Azzopardi | Wim Vanderbauwhede | Hideo Joho
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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Improving sentence retrieval with an importance prior
Leif Azzopardi | Ronald T. Fernández | David E. Losada
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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On the relationship between effectiveness and accessibility
Leif Azzopardi | Richard Bache
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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A survey of patent users: an analysis of tasks, behavior, search functionality and system requirements
Hideo Joho | Leif Azzopardi | Wim Vanderbauwhede
Information Interaction in Context Symposium, IIiX 2010, New Brunswick, NJ, USA, August 18-21, 2010

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Interaction-based information filtering for children
Richard Glassey | Desmond Elliott | Tamara Polajnar | Leif Azzopardi
Information Interaction in Context Symposium, IIiX 2010, New Brunswick, NJ, USA, August 18-21, 2010

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Developing the Quantum Probability Ranking Principle
Guido Zuccon | Leif Azzopardi
IIR 2010 - Proceedings of the First Italian Information Retrieval Workshop, Padua, Italy, January 27-28, 2010

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Report on the SIGIR 2010 workshop on the simulation of interaction
Leif Azzopardi | Kalervo Järvelin | Jaap Kamps | Mark D. Smucker
2010 Volume 44 Issue 2

2011

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Back to the Roots: Mean-Variance Analysis of Relevance Estimations
Guido Zuccon | Leif Azzopardi | Keith van Rijsbergen
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings

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Fu-Finder: a game for studying querying behaviours
Carly O'Neil | James Purvis | Leif Azzopardi
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

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The economics in interactive information retrieval
Leif Azzopardi
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

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The interactive PRP for diversifying document rankings
Guido Zuccon | Leif Azzopardi | C. J. van Rijsbergen
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

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JuSe: a picture dictionary query system for children
Tamara Polajnar | Richard Glassey | Leif Azzopardi
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

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Towards a Living Lab for Information Retrieval Research and Development - A Proposal for a Living Lab for Product Search Tasks
Leif Azzopardi | Krisztian Balog
Multilingual and Multimodal Information Access Evaluation - Second International Conference of the Cross-Language Evaluation Forum, CLEF 2011, Amsterdam, The Netherlands, September 19-22, 2011. Proceedings

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An Analysis of Ranking Principles and Retrieval Strategies
Guido Zuccon | Leif Azzopardi | C. J. van Rijsbergen
Advances in Information Retrieval Theory - Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings

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On the use of Complex Numbers in Quantum Models for Information Retrieval
Guido Zuccon | Benjamin Piwowarski | Leif Azzopardi
Advances in Information Retrieval Theory - Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings

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Investigating Subspace Distances in Semantic Spaces
Guido Zuccon | Leif Azzopardi | Enrico Gasco
Proceedings of the 2nd Italian Information Retrieval (IIR) Workshop, Milan, Italy, January 27-28, 2011

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Extending the language modeling framework for sentence retrieval to include local context
Ronald T. Fernández | David E. Losada | Leif Azzopardi
2011 Volume 14 Issue 4

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Introduction to special issue on the second international conference on the theory of information retrieval
Leif Azzopardi | Dawei Song | Gabriella Kazai | Stephen Robertson | Stefan M. Rüger | Milad Shokouhi | Emine Yilmaz
2011 Volume 14 Issue 1

2012

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Detection of News Feeds Items Appropriate for Children
Tamara Polajnar | Richard Glassey | Leif Azzopardi
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

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Top-k Retrieval Using Facility Location Analysis
Guido Zuccon | Leif Azzopardi | Dell Zhang | Jun Wang
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

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Crisees: Real-Time Monitoring of Social Media Streams to Support Crisis Management
David Maxwell | Stefan Raue | Leif Azzopardi | Christopher W. Johnson | Sarah Oates
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

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EmSe: Supporting Children's Information Needs within a Hospital Environment
Leif Azzopardi | Douglas Dowie | Sergio Duarte Torres | Carsten Eickhoff | Richard Glassey | Karl Gyllstrom | Djoerd Hiemstra | Franciska de Jong | Frea Kruisinga | Kelly Ann Marshall | Sien Moens | Tamara Polajnar | Frans van der Sluis | Arjen P. de Vries
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

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ALF: a client side logger and server for capturing user interactions in web applications
Leif Azzopardi | Myles Doolan | Richard Glassey
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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MaSe: create your own mash-up search interface
Leif Azzopardi | Douglas Dowie | Kelly Ann Marshall | Richard Glassey
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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PageFetch: a retrieval game for children (and adults)
Leif Azzopardi | James Purvis | Richard Glassey
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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YooSee: a video browsing application for young children
Leif Azzopardi | Douglas Dowie | Kelly Ann Marshall
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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A preliminary study using PageFetch to examine the searching ability of children and adults
James Purvis | Leif Azzopardi
Information Interaction in Context: 2012, IIix'12, Nijmegen, The Netherlands, August 21-24, 2012

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Practical considerations when filtering documents
Desmond Elliott | Leif Azzopardi
Information Interaction in Context: 2012, IIix'12, Nijmegen, The Netherlands, August 21-24, 2012

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EmSe: initial evaluation of a child-friendly medical search system
Carsten Eickhoff | Leif Azzopardi | Djoerd Hiemstra | Franciska de Jong | Arjen P. de Vries | Douglas Dowie | Sergio Duarte Torres | Richard Glassey | Karl Gyllstrom | Frea Kruisinga | Kelly Ann Marshall | Sien Moens | Tamara Polajnar | Frans van der Sluis
Information Interaction in Context: 2012, IIix'12, Nijmegen, The Netherlands, August 21-24, 2012

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SCAMP: a tool for conducting interactive information retrieval experiments
Gareth Renaud | Leif Azzopardi
Information Interaction in Context: 2012, IIix'12, Nijmegen, The Netherlands, August 21-24, 2012

2013

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Reducing the Uncertainty in Resource Selection
Ilya Markov | Leif Azzopardi | Fabio Crestani
Advances in Information Retrieval - 35th European Conference on IR Research, ECIR 2013, Moscow, Russia, March 24-27, 2013. Proceedings

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An Initial Investigation on the Relationship between Usage and Findability
Colin Wilkie | Leif Azzopardi
Advances in Information Retrieval - 35th European Conference on IR Research, ECIR 2013, Moscow, Russia, March 24-27, 2013. Proceedings

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Re-leashed! The PuppyIR Framework for Developing Information Services for Children, Adults and Dogs
Douglas Dowie | Leif Azzopardi
Advances in Information Retrieval - 35th European Conference on IR Research, ECIR 2013, Moscow, Russia, March 24-27, 2013. Proceedings

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High throughput filtering using FPGA-acceleration
Wim Vanderbauwhede | Anton Frolov | Leif Azzopardi | Sai Rahul Chalamalasetti | Martin Margala
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

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How query cost affects search behavior
Leif Azzopardi | Diane Kelly | Kathy Brennan
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Relating retrievability, performance and length
Colin Wilkie | Leif Azzopardi
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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#trapped!: social media search system requirements for emergency management professionals
Stefan Raue | Leif Azzopardi | Christopher W. Johnson
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Economic models of search
Leif Azzopardi
The Australasian Document Computing Symposium, ADCS '13, Brisbane, QLD, Australia, December 5-6, 2013

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Crowdsourcing interactions: using crowdsourcing for evaluating interactive information retrieval systems
Guido Zuccon | Teerapong Leelanupab | Stewart Whiting | Emine Yilmaz | Joemon M. Jose | Leif Azzopardi
2013 Volume 16 Issue 2

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Report on the Scottish informatics and computing science alliance's information retrieval workshop (IRFest)
Martin Halvey | Leif Azzopardi
2013 Volume 47 Issue 2

2014

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Best and Fairest: An Empirical Analysis of Retrieval System Bias
Colin Wilkie | Leif Azzopardi
Advances in Information Retrieval - 36th European Conference on IR Research, ECIR 2014, Amsterdam, The Netherlands, April 13-16, 2014. Proceedings

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Efficiently Estimating Retrievability Bias
Colin Wilkie | Leif Azzopardi
Advances in Information Retrieval - 36th European Conference on IR Research, ECIR 2014, Amsterdam, The Netherlands, April 13-16, 2014. Proceedings

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Page Retrievability Calculator
Leif Azzopardi | Rosanne English | Colin Wilkie | David Maxwell
Advances in Information Retrieval - 36th European Conference on IR Research, ECIR 2014, Amsterdam, The Netherlands, April 13-16, 2014. Proceedings

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A Retrievability Analysis: Exploring the Relationship Between Retrieval Bias and Retrieval Performance
Colin Wilkie | Leif Azzopardi
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

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Modelling interaction with economic models of search
Leif Azzopardi
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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The retrievability of documents
Leif Azzopardi
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Fifth Information Interaction in Context Symposium, IIiX '14, Regensburg, Germany, August 26-29, 2014

Fifth Information Interaction in Context Symposium, IIiX '14, Regensburg, Germany, August 26-29, 2014

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Stuck in traffic: how temporal delays affect search behaviour
David Maxwell | Leif Azzopardi
Fifth Information Interaction in Context Symposium, IIiX '14, Regensburg, Germany, August 26-29, 2014

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Investigating people: a qualitative analysis of the search behaviours of open-source intelligence analysts
Sean McKeown | David Maxwell | Leif Azzopardi | William Bradley Glisson
Fifth Information Interaction in Context Symposium, IIiX '14, Regensburg, Germany, August 26-29, 2014

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PageFetch 2: gamification the sequel
Leif Azzopardi | Martin Bevc | Andrew Gardner | David Maxwell | Abdullah Razzouk
Proceedings of the First International Workshop on Gamification for Information Retrieval, GamifIR@ECIR '14, Amsterdam, The Netherlands, April 13, 2014

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Studying user browsing behavior through gamified search tasks
Jiyin He | Marc Bron | Leif Azzopardi | Arjen P. de Vries
Proceedings of the First International Workshop on Gamification for Information Retrieval, GamifIR@ECIR '14, Amsterdam, The Netherlands, April 13, 2014

2015

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Retrievability and Retrieval Bias: A Comparison of Inequality Measures
Colin Wilkie | Leif Azzopardi
Advances in Information Retrieval - 37th European Conference on IR Research, ECIR 2015, Vienna, Austria, March 29 - April 2, 2015. Proceedings

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The Impact of Query Interface Design on Stress, Workload and Performance
Ashlee Edwards | Diane Kelly | Leif Azzopardi
Advances in Information Retrieval - 37th European Conference on IR Research, ECIR 2015, Vienna, Austria, March 29 - April 2, 2015. Proceedings

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A Tutorial on Measuring Document Retrievability
Leif Azzopardi
Advances in Information Retrieval - 37th European Conference on IR Research, ECIR 2015, Vienna, Austria, March 29 - April 2, 2015. Proceedings

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Sixth BCS-IRSG Symposium on Future Directions in Information Access, FDIA 2015, 31 August - 4 September 2015, Thessaloniki, Greece

Sixth BCS-IRSG Symposium on Future Directions in Information Access, FDIA 2015, 31 August - 4 September 2015, Thessaloniki, Greece

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Searching and Stopping: An Analysis of Stopping Rules and Strategies
David Maxwell | Leif Azzopardi | Kalervo Järvelin | Heikki Keskustalo
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015

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Query Length, Retrievability Bias and Performance
Colin Wilkie | Leif Azzopardi
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015

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ECol 2015: First international workshop on the Evaluation on Collaborative Information Seeking and Retrieval
Leif Azzopardi | Jeremy Pickens | Tetsuya Sakai | Laure Soulier | Lynda Tamine
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015

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Usor Economicus
Leif Azzopardi
CORIA 2015 - Conférence en Recherche d'Infomations et Applications - 12th French Information Retrieval Conference, Paris, France, March 18-20, 2015

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How many results per page?: A Study of SERP Size, Search Behavior and User Experience
Diane Kelly | Leif Azzopardi
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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Untangling Result List Refinement and Ranking Quality: a Framework for Evaluation and Prediction
Jiyin He | Marc Bron | Arjen P. de Vries | Leif Azzopardi | Maarten de Rijke
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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Time Pressure and System Delays in Information Search
Anita Crescenzi | Diane Kelly | Leif Azzopardi
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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An Initial Investigation into Fixed and Adaptive Stopping Strategies
David Maxwell | Leif Azzopardi | Kalervo Järvelin | Heikki Keskustalo
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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Building and Using Models of Information Seeking, Search and Retrieval: Full Day Tutorial
Leif Azzopardi | Guido Zuccon
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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Integrating and Evaluating Neural Word Embeddings in Information Retrieval
Guido Zuccon | Bevan Koopman | Peter Bruza | Leif Azzopardi
Proceedings of the 20th Australasian Document Computing Symposium, ADCS 2015, Parramatta, NSW, Australia, December 8-9, 2015

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Exploring Behavioral Dimensions in Session Effectiveness
Teemu Pääkkönen | Kalervo Järvelin | Jaana Kekäläinen | Heikki Keskustalo | Feza Baskaya | David Maxwell | Leif Azzopardi
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 6th International Conference of the CLEF Association, CLEF 2015, Toulouse, France, September 8-11, 2015, Proceedings

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Theory of Retrieval: The Retrievability of Information
Leif Azzopardi
Proceedings of the 2015 International Conference on The Theory of Information Retrieval, ICTIR 2015, Northampton, Massachusetts, USA, September 27-30, 2015

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An Analysis of Theories of Search and Search Behavior
Leif Azzopardi | Guido Zuccon
Proceedings of the 2015 International Conference on The Theory of Information Retrieval, ICTIR 2015, Northampton, Massachusetts, USA, September 27-30, 2015

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A Game of Search
Leif Azzopardi
Proceedings of the Second International Workshop on Gamification for Information Retrieval co-located with the 37th European Conference on Information Retrieval (ECIR 2015), Vienna, Austria, March 29, 2015

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Proceedings of the 2015 Workshop on Evaluation on Collaborative Information Retrieval and Seeking, ECol 2015, Melbourne, Australia, October 23, 2015

Proceedings of the 2015 Workshop on Evaluation on Collaborative Information Retrieval and Seeking, ECol 2015, Melbourne, Australia, October 23, 2015

2016

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Two Scrolls or One Click: A Cost Model for Browsing Search Results
Leif Azzopardi | Guido Zuccon
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings

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Agents, Simulated Users and Humans: An Analysis of Performance and Behaviour
David Maxwell | Leif Azzopardi
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

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InfoScout: An Interactive, Entity Centric, Person Search Tool
Sean McKeown | Martynas Buivys | Leif Azzopardi
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Simulating Interactive Information Retrieval: SimIIR: A Framework for the Simulation of Interaction
David Maxwell | Leif Azzopardi
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Simulation of Interaction: A Tutorial on Modelling and Simulating User Interaction and Search Behaviour
Leif Azzopardi
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Advances in Formal Models of Search and Search Behaviour
Leif Azzopardi | Guido Zuccon
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016

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An Analysis of the Cost and Benefit of Search Interactions
Leif Azzopardi | Guido Zuccon
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016

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A Topical Approach to Retrievability Bias Estimation
Colin Wilkie | Leif Azzopardi
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016

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Impacts of Time Constraints and System Delays on User Experience
Anita Crescenzi | Diane Kelly | Leif Azzopardi
Proceedings of the 2016 ACM Conference on Human Information Interaction and Retrieval, CHIIR 2016, Carrboro, North Carolina, USA, March 13-17, 2016

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Report on the First International Workshop on the Evaluation on Collaborative Information Seeking and Retrieval (ECol'2015)
Laure Soulier | Lynda Tamine | Tetsuya Sakai | Leif Azzopardi | Jeremy Pickens
2016 Volume 50 Issue 1

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Lucene4IR: Developing Information Retrieval Evaluation Resources using Lucene
Leif Azzopardi | Yashar Moshfeghi | Martin Halvey | Rami Suleiman Alkhawaldeh | Krisztian Balog | Emanuele Di Buccio | Diego Ceccarelli | Juan M. Fernández-Luna | Charlie Hull | Jake Mannix | Sauparna Palchowdhury
2016 Volume 50 Issue 2

2017

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A Task Completion Engine to Enhance Search Session Support for Air Traffic Work Tasks
Yashar Moshfeghi | Raoul Rothfeld | Leif Azzopardi | Peter Triantafillou
Advances in Information Retrieval - 39th European Conference on IR Research, ECIR 2017, Aberdeen, UK, April 8-13, 2017, Proceedings

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An Empirical Analysis of Pruning Techniques: Performance, Retrievability and Bias
Ruey-Cheng Chen | Leif Azzopardi | Falk Scholer
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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Integrating the Framing of Clinical Questions via PICO into the Retrieval of Medical Literature for Systematic Reviews
Harrisen Scells | Guido Zuccon | Bevan Koopman | Anthony Deacon | Leif Azzopardi | Shlomo Geva
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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Algorithmic Bias: Do Good Systems Make Relevant Documents More Retrievable?
Colin Wilkie | Leif Azzopardi
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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A Study of Snippet Length and Informativeness: Behaviour, Performance and User Experience
David Maxwell | Leif Azzopardi | Yashar Moshfeghi
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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Exploring the Query Halo Effect in Site Search: Leading People to Longer Queries
Djoerd Hiemstra | Claudia Hauff | Leif Azzopardi
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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A Test Collection for Evaluating Retrieval of Studies for Inclusion in Systematic Reviews
Harrisen Scells | Guido Zuccon | Bevan Koopman | Anthony Deacon | Leif Azzopardi | Shlomo Geva
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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The Lucene for Information Access and Retrieval Research (LIARR) Workshop at SIGIR 2017
Leif Azzopardi | Matt Crane | Hui Fang | Grant Ingersoll | Jimmy Lin | Yashar Moshfeghi | Harrisen Scells | Peilin Yang | Guido Zuccon
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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CLEF 2017 Dynamic Search Evaluation Lab Overview
Evangelos Kanoulas | Leif Azzopardi
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 8th International Conference of the CLEF Association, CLEF 2017, Dublin, Ireland, September 11-14, 2017, Proceedings

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CLEF 2017 Dynamic Search Lab Overview And Evaluation
Evangelos Kanoulas | Leif Azzopardi
Working Notes of CLEF 2017 - Conference and Labs of the Evaluation Forum, Dublin, Ireland, September 11-14, 2017

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CLEF 2017 Technologically Assisted Reviews in Empirical Medicine Overview
Evangelos Kanoulas | Dan Li | Leif Azzopardi | René Spijker
Working Notes of CLEF 2017 - Conference and Labs of the Evaluation Forum, Dublin, Ireland, September 11-14, 2017

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SiS at CLEF 2017 eHealth TAR Task
Leif Azzopardi | Vassil Kalphov | Georgios Georgiadis
Working Notes of CLEF 2017 - Conference and Labs of the Evaluation Forum, Dublin, Ireland, September 11-14, 2017

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Personalised Search Time Prediction using Markov Chains
Vu Tran | David Maxwell | Norbert Fuhr | Leif Azzopardi
Proceedings of the ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2017, Amsterdam, The Netherlands, October 1-4, 2017

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An Initial Investigation of Query Expansion Bias
Colin Wilkie | Leif Azzopardi
Proceedings of the ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2017, Amsterdam, The Netherlands, October 1-4, 2017

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Building Cost-Benefit Models of Information Interactions
Leif Azzopardi
Proceedings of the 2017 Conference on Conference Human Information Interaction and Retrieval, CHIIR 2017, Oslo, Norway, March 7-11, 2017

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Second International Workshop On the Evaluation of Collaborative Information Seeking and Retrieval (Ecol'17)
Leif Azzopardi | Jeremy Pickens | Chirag Shah | Laure Soulier | Lynda Tamine
Proceedings of the 2017 Conference on Conference Human Information Interaction and Retrieval, CHIIR 2017, Oslo, Norway, March 7-11, 2017

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Validating simulated interaction for retrieval evaluation
Teemu Pääkkönen | Jaana Kekäläinen | Heikki Keskustalo | Leif Azzopardi | David Maxwell | Kalervo Järvelin
2017 Volume 20 Issue 4

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Report on the Information Retrieval Festival (IRFest2017)
Leif Azzopardi | Craig Macdonald | Iadh Ounis | Martin Halvey
2017 Volume 51 Issue 1

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Report on the Second International Workshop on the Evaluation on Collaborative Information Seeking and Retrieval (ECol?2017 @ CHIIR)
Leif Azzopardi | Jeremy Pickens | Chirag Shah | Laure Soulier | Lynda Tamine
2017 Volume 51 Issue 3

2018

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Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings

Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings

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Information Scent, Searching and Stopping - Modelling SERP Level Stopping Behaviour
David Maxwell | Leif Azzopardi
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings

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Measuring the Utility of Search Engine Result Pages: An Information Foraging Based Measure
Leif Azzopardi | Paul Thomas | Nick Craswell
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

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Query Variation Performance Prediction for Systematic Reviews
Harrisen Scells | Leif Azzopardi | Guido Zuccon | Bevan Koopman
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

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CLEF 2018 Technologically Assisted Reviews in Empirical Medicine Overview
Evangelos Kanoulas | Dan Li | Leif Azzopardi | René Spijker
Working Notes of CLEF 2018 - Conference and Labs of the Evaluation Forum, Avignon, France, September 10-14, 2018

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Overview of the CLEF eHealth Evaluation Lab 2018
Hanna Suominen | Liadh Kelly | Lorraine Goeuriot | Aurélie Névéol | Lionel Ramadier | Aude Robert | Evangelos Kanoulas | René Spijker | Leif Azzopardi | Dan Li | Jimmy | João R. M. Palotti | Guido Zuccon
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 9th International Conference of the CLEF Association, CLEF 2018, Avignon, France, September 10-14, 2018, Proceedings

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Overview of the CLEF Dynamic Search Evaluation Lab 2018
Evangelos Kanoulas | Leif Azzopardi | Grace Hui Yang
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 9th International Conference of the CLEF Association, CLEF 2018, Avignon, France, September 10-14, 2018, Proceedings

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Information retrieval in the workplace: A comparison of professional search practices
Tony Russell-Rose | Jon Chamberlain | Leif Azzopardi
2018 Volume 54 Issue 6

2019

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Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part II

Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part II

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CLEF eHealth 2019 Evaluation Lab
Liadh Kelly | Lorraine Goeuriot | Hanna Suominen | Mariana L. Neves | Evangelos Kanoulas | René Spijker | Leif Azzopardi | Dan Li | Jimmy | João R. M. Palotti | Guido Zuccon
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part II

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Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part I

Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part I

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VES Team at TREC Conversational Assistance Track (CAsT) 2019
Vasileios Stamatis | Leif Azzopardi | Alan Wilson
Proceedings of the Twenty-Eighth Text REtrieval Conference, TREC 2019, Gaithersburg, Maryland, USA, November 13-15, 2019

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cwl_eval: An Evaluation Tool for Information Retrieval
Leif Azzopardi | Paul Thomas | Alistair Moffat
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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Looking for Opportunities: Challenges in Procurement Search
Stuart Mackie | David Macdonald | Leif Azzopardi | Yashar Moshfeghi
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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Building Economic Models and Measures of Search
Leif Azzopardi | Alistair Moffat | Paul Thomas | Guido Zuccon
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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CLEF 2019 Technology Assisted Reviews in Empirical Medicine Overview
Evangelos Kanoulas | Dan Li | Leif Azzopardi | René Spijker
Working Notes of CLEF 2019 - Conference and Labs of the Evaluation Forum, Lugano, Switzerland, September 9-12, 2019

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Overview of the CLEF eHealth Evaluation Lab 2019
Liadh Kelly | Hanna Suominen | Lorraine Goeuriot | Mariana L. Neves | Evangelos Kanoulas | Dan Li | Leif Azzopardi | René Spijker | Guido Zuccon | Harrisen Scells | João R. M. Palotti
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 10th International Conference of the CLEF Association, CLEF 2019, Lugano, Switzerland, September 9-12, 2019, Proceedings

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Proceedings of the 2019 Conference on Human Information Interaction and Retrieval, CHIIR 2019, Glasgow, Scotland, UK, March 10-14, 2019

Proceedings of the 2019 Conference on Human Information Interaction and Retrieval, CHIIR 2019, Glasgow, Scotland, UK, March 10-14, 2019

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The impact of result diversification on search behaviour and performance
David Maxwell | Leif Azzopardi | Yashar Moshfeghi
2019 Volume 22 Issue 5

2020

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Predicting Perceptual Speed from Search Behaviour
Olivia Foulds | Alessandro Suglia | Leif Azzopardi | Martin Halvey
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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DataMirror: Reflecting on One's Data Self: A Tool for Social Media Users to Explore Their Digital Footprints
Amal Htait | Leif Azzopardi | Emma Nicol | Wendy Moncur
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Early Risk Detection of Self-Harm and Depression Severity using BERT-based Transformers
Rodrigo Martínez-Castaño | Amal Htait | Leif Azzopardi | Yashar Moshfeghi
Working Notes of CLEF 2020 - Conference and Labs of the Evaluation Forum, Thessaloniki, Greece, September 22-25, 2020

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Using Sentiment Analysis for Pseudo-Relevance Feedback in Social Book Search
Amal Htait | Sébastien Fournier | Patrice Bellot | Leif Azzopardi | Gabriella Pasi
ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Norway, September 14-17, 2020

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Interactive Evaluation of Conversational Agents: Reflections on the Impact of Search Task Design
Mateusz Dubiel | Martin Halvey | Leif Azzopardi | Sylvain Daronnat
ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Norway, September 14-17, 2020

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Analyzing the Influence of Bigrams on Retrieval Bias and Effectiveness
Abdulaziz AlQatan | Leif Azzopardi | Yashar Moshfeghi
ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Norway, September 14-17, 2020

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Data-Driven Evaluation Metrics for Heterogeneous Search Engine Result Pages
Leif Azzopardi | Ryen W. White | Paul Thomas | Nick Craswell
CHIIR '20: Conference on Human Information Interaction and Retrieval, Vancouver, BC, Canada, March 14-18, 2020

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Reflecting upon Perceptual Speed Tests in Information Retrieval: Limitations, Challenges, and Recommendations
Olivia Foulds | Leif Azzopardi | Martin Halvey
CHIIR '20: Conference on Human Information Interaction and Retrieval, Vancouver, BC, Canada, March 14-18, 2020

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Made to Measure: A Workshop on Human-centred metrics for information seeking
George Buchanan | Dana McKay | Charles L. A. Clarke | Leif Azzopardi | Johanne R. Trippas
CHIIR '20: Conference on Human Information Interaction and Retrieval, Vancouver, BC, Canada, March 14-18, 2020

2021

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AWESSOME: An Unsupervised Sentiment Intensity Scoring Framework Using Neural Word Embeddings
Amal Htait | Leif Azzopardi
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

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Analysing Mixed Initiatives and Search Strategies during Conversational Search
Mohammad Aliannejadi | Leif Azzopardi | Hamed Zamani | Evangelos Kanoulas | Paul Thomas | Nick Craswell
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

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BERT-Based Transformers for Early Detection of Mental Health Illnesses
Rodrigo Martínez-Castaño | Amal Htait | Leif Azzopardi | Yashar Moshfeghi
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 12th International Conference of the CLEF Association, CLEF 2021, Virtual Event, September 21-24, 2021, Proceedings

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Untangling the Concept of Task in Information Seeking and Retrieval
Ayah Soufan | Ian Ruthven | Leif Azzopardi
ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Canada, July 11, 2021

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Sentiment Intensity Prediction using Neural Word Embeddings
Amal Htait | Leif Azzopardi
ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Canada, July 11, 2021

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ERR is not C/W/L: Exploring the Relationship Between Expected Reciprocal Rank and Other Metrics
Leif Azzopardi | Joel Mackenzie | Alistair Moffat
ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Canada, July 11, 2021

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Cognitive Biases in Search: A Review and Reflection of Cognitive Biases in Information Retrieval
Leif Azzopardi
CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, Canberra, ACT, Australia, March 14-19, 2021

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Investigating the Influence of Ads on User Search Performance, Behaviour, and Experience during Information Seeking
Olivia Foulds | Leif Azzopardi | Martin Halvey
CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, Canberra, ACT, Australia, March 14-19, 2021

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Untangling Cost, Effort, and Load in Information Seeking and Retrieval
Molly McGregor | Leif Azzopardi | Martin Halvey
CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, Canberra, ACT, Australia, March 14-19, 2021

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User Models, Metrics and Measures of Search: A Tutorial on the C/W/L Evaluation Framework
Leif Azzopardi | Alistair Moffat | Paul Thomas | Guido Zuccon
CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, Canberra, ACT, Australia, March 14-19, 2021

2022

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Improving BERT-based Query-by-Document Retrieval with Multi-task Optimization
Amin Abolghasemi | Suzan Verberne | Leif Azzopardi
Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part II

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Towards Building Economic Models of Conversational Search
Leif Azzopardi | Mohammad Aliannejadi | Evangelos Kanoulas
Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part II

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Searching the Literature: An Analysis of an Exploratory Search Task
Ayah Soufan | Ian Ruthven | Leif Azzopardi
CHIIR '22: ACM SIGIR Conference on Human Information Interaction and Retrieval, Regensburg, Germany, March 14 - 18, 2022

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