Leif Azzopardi

2026

doi dblp
Information Farming: From Berry Picking to Berry Growing.
Leif Azzopardi|Adam Roegiest
Proceedings of the 2026 Conference on Human Information Interaction and Retrieval, CHIIR 2026, Seattle, WA, USA, March 22-26, 2026
doi dblp
The Third Search Futures Workshop at ECIR'26.
Leif Azzopardi|Charles L. A. Clarke|Claudia Hauff|Yubin Kim|Zhaochun Ren|Adam Roegiest|Johanne R. Trippas|Saber Zerhoudi
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part III

2025

doi dblp
Report on the CHIIR 2024, SIGIR 2024, and SIGIR-AP 2024 tutorials on Characterizing, Evaluating, and Mitigating Cognitive Biases in Interactive and Generative IR.
Jiqun Liu|Leif Azzopardi
SIGIR Forum 2025 Volume 59 Issue 1
doi dblp
Report from the 4th Strategic Workshop on Information Retrieval in Lorne (SWIRL 2025).
Johanne R. Trippas|J. Shane Culpepper|Mohammad Aliannejadi|James Allan|Enrique Amigó|Jaime Arguello|Leif Azzopardi|Peter Bailey|Jamie Callan|Rob Capra|Nick Craswell|W. Bruce Croft|Jeff Dalton|Gianluca Demartini|Laura Dietz|Zhicheng Dou|Carsten Eickhoff|Michael D. Ekstrand|Nicola Ferro|Norbert Fuhr|Dorota Glowacka|Faegheh Hasibi|Danula Hettiachchi|Rosie Jones|Jaap Kamps|Noriko Kando|Sarvnaz Karimi|Makoto P. Kato|Bevan Koopman|Yiqun Liu|Chenglong Ma|Joel Mackenzie|Maria Maistro|Jiaxin Mao|Dana McKay|Bhaskar Mitra|Stefano Mizzaro|Alistair Moffat|Josiane Mothe|Iadh Ounis|Lida Rashidi|Yongli Ren|Mark Sanderson|Rodrygo L. T. Santos|Falk Scholer|Chirag Shah|Laurianne Sitbon|Ian Soboroff|Damiano Spina|Paul Thomas|Julián Urbano|Arjen P. de Vries|Ryen White|Abby Yuan|Hamed Zamani|Oleg Zendel|Min Zhang|Shengyao Zhuang|Justin Zobel|Guido Zuccon
SIGIR Forum 2025 Volume 59 Issue 1
doi dblp
Assessing Risks in Online Information Sharing.
Leif Azzopardi|Emma Nicol|Jo Briggs|Wendy Moncur|Burkhard Schafer|Callum Nash|Melissa Duheric
Proceedings of the 2025 ACM SIGIR Conference on Human Information Interaction and Retrieval, CHIIR 2025, MelbourneAustralia, March 24-28, 2025
doi dblp
Search Changes Consumers' Minds: How Recognizing Gaps Drives Sustainable Choices: How Recognizing Gaps Drives Sustainable Choices.
Frans van der Sluis|Leif Azzopardi
Proceedings of the 2025 ACM SIGIR Conference on Human Information Interaction and Retrieval, CHIIR 2025, MelbourneAustralia, March 24-28, 2025
doi dblp
Improving the Reusability of Conversational Search Test Collections.
Zahra Abbasiantaeb|Chuan Meng|Leif Azzopardi|Mohammad Aliannejadi
Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part I
doi dblp
Conversational Gold: Evaluating Personalized Conversational Search System Using Gold Nuggets.
Zahra Abbasiantaeb|Simon Lupart|Leif Azzopardi|Jeffrey Dalton|Mohammad Aliannejadi
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
From Query to Conscience: The Importance of Information Retrieval in Empowering Socially Responsible Consumerism.
Frans van der Sluis|Leif Azzopardi|Florian Meier
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2024

doi dblp
A Systematic Review of Cost, Effort, and Load Research in Information Search and Retrieval, 1972-2020.
Molly McGregor|Leif Azzopardi|Martin Halvey
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 1
doi dblp
Report on the Search Futures Workshop at ECIR 2024.
Leif Azzopardi|Charles L. A. Clarke|Paul B. Kantor|Bhaskar Mitra|Johanne R. Trippas|Zhaochun Ren|Mohammad Aliannejadi|Negar Arabzadeh|Raman Chandrasekar|Maarten de Rijke|Panagiotis Eustratiadis|William R. Hersh|Jin Huang|Evangelos Kanoulas|Jasmin Kareem|Yongkang Li|Simon Lupart|Kidist Amde Mekonnen|Adam Roegiest|Ian Soboroff|Fabrizio Silvestri|Suzan Verberne|David Vos|Eugene Yang|Yuyue Zhao
SIGIR Forum 2024 Volume 58 Issue 1
doi dblp
Report on the Collab-a-Thon at ECIR 2024.
Sean MacAvaney|Adam Roegiest|Aldo Lipani|Andrew Parry|Björn Engelmann|Christin Katharina Kreutz|Chuan Meng|Erlend Frayling|Eugene Yang|Ferdinand Schlatt|Guglielmo Faggioli|Harrisen Scells|Iana Atanassova|Jana Friese|Janek Bevendorff|Javier Sanz-Cruzado|Johanne R. Trippas|Kanaad Pathak|Kaustubh D. Dhole|Leif Azzopardi|Maik Fröbe|Marc Bertin|Nishchal Prasad|Saber Zerhoudi|Shuai Wang|Shubham Chatterjee|Thomas Jänich|Udo Kruschwitz|Xi Wang|Zijun Long
SIGIR Forum 2024 Volume 58 Issue 1
doi dblp
Measuring the retrievability of digital library content using analytics data.
Hamed Jahani|Leif Azzopardi|Mark Sanderson
Journal of the Association for Information Science and Technology (JASIST) 2024 Volume 75 Issue 11
doi dblp
Search under Uncertainty: Cognitive Biases and Heuristics - Tutorial on Modeling Search Interaction using Behavioral Economics.
Leif Azzopardi|Jiqun Liu
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, CHIIR 2024, Sheffield, United Kingdom, March 10-14, 2024
doi dblp
Seeking Socially Responsible Consumers: Exploring the Intention-Search-Behaviour Gap.
Leif Azzopardi|Frans van der Sluis
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, CHIIR 2024, Sheffield, United Kingdom, March 10-14, 2024
doi dblp
The Influence of Presentation and Performance on User Satisfaction.
Kanaad Pathak|Leif Azzopardi|Martin Halvey
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, CHIIR 2024, Sheffield, United Kingdom, March 10-14, 2024
doi dblp
Uncharted Territory: Understanding Exploratory Search Behaviours in Literature Reviews.
Ayah Soufan|Ian Ruthven|Leif Azzopardi
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, CHIIR 2024, Sheffield, United Kingdom, March 10-14, 2024
doi dblp
Ranking Heterogeneous Search Result Pages Using the Interactive Probability Ranking Principle.
Kanaad Pathak|Leif Azzopardi|Martin Halvey
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part II
doi dblp
Measuring Bias in a Ranked List Using Term-Based Representations.
Amin Abolghasemi|Leif Azzopardi|Arian Askari|Maarten de Rijke|Suzan Verberne
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V
doi dblp
The Search Futures Workshop.
Leif Azzopardi|Charles L. A. Clarke|Paul B. Kantor|Bhaskar Mitra|Johanne R. Trippas|Zhaochun Ren
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V
doi dblp
TREC iKAT 2023: A Test Collection for Evaluating Conversational and Interactive Knowledge Assistants.
Mohammad Aliannejadi|Zahra Abbasiantaeb|Shubham Chatterjee|Jeffrey Dalton|Leif Azzopardi
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Search under Uncertainty: Cognitive Biases and Heuristics: A Tutorial on Testing, Mitigating and Accounting for Cognitive Biases in Search Experiments.
Jiqun Liu|Leif Azzopardi
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
dblp
TREC iKAT 2024: The Interactive Knowledge Assistance Track Overview.
Mohammad Aliannejadi|Zahra Abbasiantaeb|Simon Lupart|Shubham Chatterjee|Jeffrey Dalton|Leif Azzopardi
Proceedings of the Thirty-Third Text REtrieval Conference, TREC 2024, Gaithersburg, MD, USA, November 18-22, 2024

2023

doi dblp
Driven to Distraction: Examining the Influence of Distractors on Search Behaviours, Performance and Experience.
Leif Azzopardi|David Maxwell|Martin Halvey|Claudia Hauff
Proceedings of the 2023 Conference on Human Information Interaction and Retrieval, CHIIR 2023, Austin, TX, USA, March 19-23, 2023
doi dblp
Retrievability Bias Estimation Using Synthetically Generated Queries.
Amin Abolghasemi|Suzan Verberne|Arian Askari|Leif Azzopardi
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
dblp
TREC iKAT 2023: The Interactive Knowledge Assistance Track Overview.
Mohammad Aliannejadi|Zahra Abbasiantaeb|Shubham Chatterjee|Jeffery Dalton|Leif Azzopardi
The Thirty-Second Text REtrieval Conference Proceedings (TREC 2023), Gaithersburg, MD, USA, November 14-17, 2023

2022

doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
Are Taylor's Posts Risky? Evaluating Cumulative Revelations in Online Personal Data: A persona-based tool for evaluating awareness of online risks and harms.
Leif Azzopardi|Jo Briggs|Melissa Duheric|Callum Nash|Emma Nicol|Wendy Moncur|Burkhard Schafer
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
doi dblp
A Flexible Framework for Offline Effectiveness Metrics.
Alistair Moffat|Joel Mackenzie|Paul Thomas|Leif Azzopardi
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
dblp
TREC CAsT 2022: Going Beyond User Ask and System Retrieve with Initiative and Response Generation.
Paul Owoicho|Jeff Dalton|Mohammad Aliannejadi|Leif Azzopardi|Johanne R. Trippas|Svitlana Vakulenko
Proceedings of the Thirty-First Text REtrieval Conference, TREC 2022, online, November 15-19, 2022

2021

doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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

2020

doi dblp
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.
doi dblp
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.
doi dblp
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.
dblp
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.
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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

2019

dblp
Proceedings of the 2019 Conference on Human Information Interaction and Retrieval, CHIIR 2019, Glasgow, Scotland, UK, March 10-14, 2019
Conference on Human Information Interaction and Retrieval (CHIIR) 2019
doi dblp
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part I
European Conference on Advances in Information Retrieval (ECIR) 2019
doi dblp
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part II
European Conference on Advances in Information Retrieval (ECIR) 2019
doi dblp
The impact of result diversification on search behaviour and performance.
David Maxwell|Leif Azzopardi|Yashar Moshfeghi
Discover Computing 2019 Volume 22 Issue 5
doi dblp
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
dblp
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.
doi dblp
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
doi dblp
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.
doi dblp
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.
doi dblp
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.
dblp
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.

2018

doi dblp
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings
European Conference on Advances in Information Retrieval (ECIR) 2018
doi dblp
Information retrieval in the workplace: A comparison of professional search practices.
Tony Russell-Rose|Jon Chamberlain|Leif Azzopardi
Information Processing and Management 2018 Volume 54 Issue 6
doi dblp
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
doi dblp
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
dblp
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.
doi dblp
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
doi dblp
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
doi dblp
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

2017

doi dblp
Report on the Information Retrieval Festival (IRFest2017).
Leif Azzopardi|Craig Macdonald|Iadh Ounis|Martin Halvey
SIGIR Forum 2017 Volume 51 Issue 1
doi dblp
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
SIGIR Forum 2017 Volume 51 Issue 3
doi dblp
Validating simulated interaction for retrieval evaluation.
Teemu Pääkkönen|Jaana Kekäläinen|Heikki Keskustalo|Leif Azzopardi|David Maxwell|Kalervo Järvelin
Discover Computing 2017 Volume 20 Issue 4
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
dblp
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.
dblp
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.
dblp
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.
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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

2016

doi dblp
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
SIGIR Forum 2016 Volume 50 Issue 1
doi dblp
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
SIGIR Forum 2016 Volume 50 Issue 2
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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

2015

dblp
Proceedings of the 2015 Workshop on Evaluation on Collaborative Information Retrieval and Seeking, ECol 2015, Melbourne, Australia, October 23, 2015
Xin Xia|Laure Soulier|Lynda Tamine|Junliang Yu|Xin Xia|Laure Soulier|Junliang Yu|Lynda Tamine
Workshop on Evaluation on Collaborative Information Retrieval and Seeking 2015
dblp
Sixth BCS-IRSG Symposium on Future Directions in Information Access, FDIA 2015, 31 August - 4 September 2015, Thessaloniki, Greece
BCS-IRSG Symposium on Future Directions in Information Access (FDIA) 2015
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
dblp
Usor Economicus.
Leif Azzopardi
CORIA 2015 - Conférence en Recherche d'Infomations et Applications - 12th French Information Retrieval Conference, Paris, France, March 18-20, 2015.
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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

2014

dblp
Fifth Information Interaction in Context Symposium, IIiX '14, Regensburg, Germany, August 26-29, 2014
International Conference on Information Interaction in Context (IIiX) 2014
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
PageFetch 2: gamification the sequel.
Leif Azzopardi|Shaoping Ma|Martin Bevc|Andrew Gardner|David Maxwell|Abdullah Razzouk|Leif Azzopardi|Shaoping Ma
Proceedings of the First International Workshop on Gamification for Information Retrieval, GamifIR@ECIR '14, Amsterdam, The Netherlands, April 13, 2014
doi dblp
Studying user browsing behavior through gamified search tasks.
Arjen P. de Vries|Maarten de Rijke|Jiyin He|Marc Bron|Leif Azzopardi|Arjen P. de Vries|Maarten de Rijke
Proceedings of the First International Workshop on Gamification for Information Retrieval, GamifIR@ECIR '14, Amsterdam, The Netherlands, April 13, 2014
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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

2013

doi dblp
Crowdsourcing interactions: using crowdsourcing for evaluating interactive information retrieval systems.
Guido Zuccon|Teerapong Leelanupab|Stewart Whiting|Emine Yilmaz|Joemon M. Jose|Leif Azzopardi
Discover Computing 2013 Volume 16 Issue 2
doi dblp
Report on the Scottish informatics and computing science alliance's information retrieval workshop (IRFest).
Martin Halvey|Leif Azzopardi
SIGIR Forum 2013 Volume 47 Issue 2
doi dblp
Economic models of search.
Leif Azzopardi
The Australasian Document Computing Symposium, ADCS '13, Brisbane, QLD, Australia, December 5-6, 2013
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
#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
doi dblp
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

2012

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

2011

doi dblp
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
Discover Computing 2011 Volume 14 Issue 1
doi dblp
Extending the language modeling framework for sentence retrieval to include local context.
Ronald T. Fernández|David E. Losada|Leif Azzopardi
Discover Computing 2011 Volume 14 Issue 4
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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

2010

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

2009

doi dblp
Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings
International Conference on the Theory of Information Retrieval (ICTIR) 2009
doi dblp
A language modeling framework for expert finding.
Krisztian Balog|Leif Azzopardi|Maarten de Rijke
Information Processing and Management 2009 Volume 45 Issue 1
doi dblp
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
doi dblp
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
doi dblp
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
dblp
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.
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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

2008

doi dblp
An analysis on document length retrieval trends in language modeling smoothing.
David E. Losada|Leif Azzopardi
Discover Computing 2008 Volume 11 Issue 2
doi dblp
Evaluating epistemic uncertainty under incomplete assessments.
Mark Baillie|Leif Azzopardi|Ian Ruthven
Information Processing and Management 2008 Volume 44 Issue 2
doi dblp
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
Information Processing and Management 2008 Volume 44 Issue 2
doi dblp
Assessing multivariate Bernoulli models for information retrieval.
David E. Losada|Leif Azzopardi
ACM Transactions on Information Systems (TOIS) 2008 Volume 26 Issue 3
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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]

2007

doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
dblp
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

2006

doi dblp
Incorporating context within the language modeling approach for ad hoc information retrieval.
Leif Azzopardi
SIGIR Forum 2006 Volume 40 Issue 1
doi dblp
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
dblp
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.
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
doi dblp
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
dblp
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

2005

doi dblp
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
doi dblp
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
dblp
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
dblp
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

2004

doi dblp
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

2003

doi dblp
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