2022

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Was Fairness in IR Discussed by Cooper and Robertson in the 1970's?
Djoerd Hiemstra
2022 Volume 56 Issue 2

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Guest editorial: special issue on ECIR 2021
Djoerd Hiemstra | Marie-Francine Moens
2022 Volume 25 Issue 2

2021

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Report on the ECIR 2021 discussion panel on open access
Djoerd Hiemstra
2021 Volume 55 Issue 1

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Session details: Session 2A - Ranking (2)
Djoerd Hiemstra
ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Canada, July 11, 2021

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Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

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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Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part I

Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part I

2020

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Transitioning the information retrieval literature to a fully open access model
Djoerd Hiemstra | Marie-Francine Moens | Raffaele Perego | Fabrizio Sebastiani
2020 Volume 54 Issue 1

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Comparing Rule-based, Feature-based and Deep Neural Methods for De-identification of Dutch Medical Records
Jan Trienes | Dolf Trieschnigg | Christin Seifert | Djoerd Hiemstra
Proceedings of the ACM WSDM 2020 Health Search and Data Mining Workshop, co-located with the 13th ACM International WSDM Conference, HSDM@WSDM 2020, Houston, TX, USA, February 3, 2020

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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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

2018

Recommending Users: Whom to Follow on Federated Social Networks
Jan Trienes | Andrés Torres Cano | Djoerd Hiemstra
Proceedings of the 17th Dutch-Belgian Information Retrieval Workshop, Leiden, The Netherlands, November 23th, 2018

2017

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Overview of Special Issue
James Allan | Nicholas J. Belkin | Paul N. Bennett | Jamie Callan | Charles L. A. Clarke | Fernando Diaz | Susan T. Dumais | Nicola Ferro | Donna Harman | Djoerd Hiemstra | Ian Ruthven | Tetsuya Sakai | Mark D. Smucker | Justin Zobel
2017 Volume 51 Issue 2

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Ranking Learning-to-Rank Methods
Djoerd Hiemstra | Niek Tax | Sander Bockting
Proceedings of the 1st International Workshop on LEARning Next gEneration Rankers co-located with the 3rd ACM International Conference on the Theory of Information Retrieval (ICTIR 2017), Amsterdam, The Netherlands, October 1, 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

2016

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Evaluation and analysis of term scoring methods for term extraction
Suzan Verberne | Maya Sappelli | Djoerd Hiemstra | Wessel Kraaij
2016 Volume 19 Issue 5

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Predicting relevance based on assessor disagreement: analysis and practical applications for search evaluation
Thomas Demeester | Robin Aly | Djoerd Hiemstra | Dong Nguyen | Chris Develder
2016 Volume 19 Issue 3

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Luhn Revisited: Significant Words Language Models
Mostafa Dehghani | Hosein Azarbonyad | Jaap Kamps | Djoerd Hiemstra | Maarten Marx
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

2015

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A cross-benchmark comparison of 87 learning to rank methods
Niek Tax | Sander Bockting | Djoerd Hiemstra
2015 Volume 51 Issue 6

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HIA'15: Heterogeneous Information Access Workshop at WSDM 2015
Ke Zhou | Roger Jie Luo | Djoerd Hiemstra | Joemon M. Jose
Proceedings of the Eighth ACM International Conference on Web Search and Data Mining, WSDM 2015, Shanghai, China, February 2-6, 2015

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Where to Go on Your Next Trip?: Optimizing Travel Destinations Based on User Preferences
Julia Kiseleva | Melanie J. I. Müller | Lucas Bernardi | Chad Davis | Ivan Kovacek | Mats Stafseng Einarsen | Jaap Kamps | Alexander Tuzhilin | Djoerd Hiemstra
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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FedWeb Greatest Hits: Presenting the New Test Collection for Federated Web Search
Thomas Demeester | Dolf Trieschnigg | Dong Nguyen | Djoerd Hiemstra | Ke Zhou
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2014

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Integration of scientific and social networks
Mahmood Neshati | Djoerd Hiemstra | Ehsaneddin Asgari | Hamid Beigy
2014 Volume 17 Issue 5

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Analysis of Search and Browsing Behavior of Young Users on the Web
Sergio Duarte Torres | Ingmar Weber | Djoerd Hiemstra
2014 Volume 8 Issue 2

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Expert group formation using facility location analysis
Mahmood Neshati | Hamid Beigy | Djoerd Hiemstra
2014 Volume 50 Issue 2

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Query recommendation in the information domain of children
Sergio Duarte Torres | Djoerd Hiemstra | Ingmar Weber | Pavel Serdyukov
2014 Volume 65 Issue 7

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Exploiting user disagreement for web search evaluation: an experimental approach
Thomas Demeester | Robin Aly | Djoerd Hiemstra | Dong Nguyen | Dolf Trieschnigg | Chris Develder
Seventh ACM International Conference on Web Search and Data Mining, WSDM 2014, New York, NY, USA, February 24-28, 2014

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Two selfless contributions to web search evaluation
Djoerd Hiemstra | Robin Aly
Proceedings of The Twenty-Third Text REtrieval Conference, TREC 2014, Gaithersburg, Maryland, USA, November 19-21, 2014

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Overview of the TREC 2014 Federated Web Search Track
Thomas Demeester | Dolf Trieschnigg | Dong Nguyen | Djoerd Hiemstra | Ke Zhou
Proceedings of The Twenty-Third Text REtrieval Conference, TREC 2014, Gaithersburg, Maryland, USA, November 19-21, 2014

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Aligning Vertical Collection Relevance with User Intent
Ke Zhou | Thomas Demeester | Dong Nguyen | Djoerd Hiemstra | Dolf Trieschnigg
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

2013

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The uncertain representation ranking framework for concept-based video retrieval
Robin Aly | Aiden R. Doherty | Djoerd Hiemstra | Franciska de Jong | Alan F. Smeaton
2013 Volume 16 Issue 5

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Readability of the Web: A study on 1 billion web pages
Marije de Heus | Djoerd Hiemstra
Proceedings of the 13th Dutch-Belgian Workshop on Information Retrieval, Delft, The Netherlands, April 26th, 2013

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Traitor: Associating Concepts using the World Wide Web
Wanno Drijfhout | Oliver Jundt | Lesley Wevers | Djoerd Hiemstra
Proceedings of the 13th Dutch-Belgian Workshop on Information Retrieval, Delft, The Netherlands, April 26th, 2013

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Size Estimation of Non-Cooperative Data Collections
Mohammadreza Khelghati | Djoerd Hiemstra | Maurice van Keulen
Proceedings of the 13th Dutch-Belgian Workshop on Information Retrieval, Delft, The Netherlands, April 26th, 2013

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What Snippets Say About Pages
Thomas Demeester | Dong Nguyen | Dolf Trieschnigg | Chris Develder | Djoerd Hiemstra
Proceedings of the 13th Dutch-Belgian Workshop on Information Retrieval, Delft, The Netherlands, April 26th, 2013

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Overview of the TREC 2013 Federated Web Search Track
Thomas Demeester | Dolf Trieschnigg | Dong Nguyen | Djoerd Hiemstra
Proceedings of The Twenty-Second Text REtrieval Conference, TREC 2013, Gaithersburg, Maryland, USA, November 19-22, 2013

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Mirex and Taily at TREC 2013
Robin Aly | Djoerd Hiemstra | Dolf Trieschnigg | Thomas Demeester
Proceedings of The Twenty-Second Text REtrieval Conference, TREC 2013, Gaithersburg, Maryland, USA, November 19-22, 2013

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An API-based Search System for One Click Access to Information
Dan Ionita | Niek Tax | Djoerd Hiemstra
Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013

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SearchResultFinder: federated search made easy
Dolf Trieschnigg | Kien-Tsoi T. E. Tjin-Kam-Jet | Djoerd Hiemstra
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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Taily: shard selection using the tail of score distributions
Robin Aly | Djoerd Hiemstra | Thomas Demeester
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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Deep web entity monitoring
Mohammadreza Khelghati | Djoerd Hiemstra | Maurice van Keulen
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

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From Republicans to Teenagers - Group Membership and Search (GRUMPS)
Ingmar Weber | Djoerd Hiemstra | Pavel Serdyukov
Advances in Information Retrieval - 35th European Conference on IR Research, ECIR 2013, Moscow, Russia, March 24-27, 2013. Proceedings

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Snippet-Based Relevance Predictions for Federated Web Search
Thomas Demeester | Dong Nguyen | Dolf Trieschnigg | Chris Develder | Djoerd Hiemstra
Advances in Information Retrieval - 35th European Conference on IR Research, ECIR 2013, Moscow, Russia, March 24-27, 2013. Proceedings

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A Joint Classification Method to Integrate Scientific and Social Networks
Mahmood Neshati | Ehsaneddin Asgari | Djoerd Hiemstra | Hamid Beigy
Advances in Information Retrieval - 35th European Conference on IR Research, ECIR 2013, Moscow, Russia, March 24-27, 2013. Proceedings

2012

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CLEF 2012: information access evaluation meets multilinguality, multimodality, and visual analytics
Tiziana Catarci | Nicola Ferro | Pamela Forner | Djoerd Hiemstra | Jussi Karlgren | Anselmo Peñas | Giuseppe Santucci | Christa Womser-Hacker
2012 Volume 46 Issue 2

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Peer-to-Peer Information Retrieval: An Overview
Almer S. Tigelaar | Djoerd Hiemstra | Dolf Trieschnigg
2012 Volume 30 Issue 2

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Ensemble Clustering for Result Diversification
Dong Nguyen | Djoerd Hiemstra
Proceedings of The Twenty-First Text REtrieval Conference, TREC 2012, Gaithersburg, Maryland, USA, November 6-9, 2012

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Multi-aspect group formation using facility location analysis
Mahmood Neshati | Hamid Beigy | Djoerd Hiemstra
The Seventeenth Australasian Document Computing Symposium, ADCS '12, Dunedin, New Zealand, December 5-6, 2012

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What Snippets Say about Pages in Federated Web Search
Thomas Demeester | Dong Nguyen | Dolf Trieschnigg | Chris Develder | Djoerd Hiemstra
Information Retrieval Technology, 8th Asia Information Retrieval Societies Conference, AIRS 2012, Tianjin, China, December 17-19, 2012. Proceedings

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Query recommendation for children
Sergio Duarte Torres | Djoerd Hiemstra | Ingmar Weber | Pavel Serdyukov
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Federated search in the wild: the combined power of over a hundred search engines
Dong Nguyen | Thomas Demeester | Dolf Trieschnigg | Djoerd Hiemstra
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Shard ranking and cutoff estimation for topically partitioned collections
Anagha Kulkarni | Almer S. Tigelaar | Djoerd Hiemstra | Jamie Callan
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 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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An analysis of free-text queries for a multi-field web form
Kien-Tsoi T. E. Tjin-Kam-Jet | Dolf Trieschnigg | Djoerd Hiemstra
Information Interaction in Context: 2012, IIix'12, Nijmegen, The Netherlands, August 21-24, 2012

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Information Access Evaluation. Multilinguality, Multimodality, and Visual Analytics - Third International Conference of the CLEF Initiative, CLEF 2012, Rome, Italy, September 17-20, 2012. Proceedings

Information Access Evaluation. Multilinguality, Multimodality, and Visual Analytics - Third International Conference of the CLEF Initiative, CLEF 2012, Rome, Italy, September 17-20, 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

2011

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Search Result Caching in Peer-to-Peer Information Retrieval Networks
Almer S. Tigelaar | Djoerd Hiemstra | Dolf Trieschnigg
Multidisciplinary Information Retrieval - Second Information Retrieval Facility Conference, IRFC 2011, Vienna, Austria, June 6, 2011. Proceedings

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Free-Text Search over Complex Web Forms
Kien-Tsoi T. E. Tjin-Kam-Jet | Dolf Trieschnigg | Djoerd Hiemstra
Multidisciplinary Information Retrieval - Second Information Retrieval Facility Conference, IRFC 2011, Vienna, Austria, June 6, 2011. Proceedings

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Visual Exploration of Health Information for Children
Frans van der Sluis | Sergio Duarte Torres | Djoerd Hiemstra | Betsy van Dijk | Frea Kruisinga
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings

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Free-Text Search versus Complex Web Forms
Kien-Tsoi T. E. Tjin-Kam-Jet | Dolf Trieschnigg | Djoerd Hiemstra
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings

2010

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Towards accessible search systems
Pavel Serdyukov | Djoerd Hiemstra | Ian Ruthven
2010 Volume 44 Issue 2

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Query-Based Sampling using Snippets
Almer S. Tigelaar | Djoerd Hiemstra
Proceedings of the 8th Workshop on Large-Scale Distributed Systems for Information Retrieval, Geneva, Switzerland, July 23, 2010

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MapReduce for Experimental Search
Djoerd Hiemstra | Claudia Hauff
Proceedings of The Nineteenth Text REtrieval Conference, TREC 2010, Gaithersburg, Maryland, USA, November 16-19, 2010

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Query log analysis in the context of information retrieval for children
Sergio Duarte Torres | Djoerd Hiemstra | Pavel Serdyukov
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 cross-lingual framework for monolingual biomedical information retrieval
Dolf Trieschnigg | Djoerd Hiemstra | Franciska de Jong | Wessel Kraaij
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

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An analysis of queries intended to search information for children
Sergio Duarte Torres | Djoerd Hiemstra | Pavel Serdyukov
Information Interaction in Context Symposium, IIiX 2010, New Brunswick, NJ, USA, August 18-21, 2010

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MapReduce for Information Retrieval Evaluation: "Let's Quickly Test This on 12 TB of Data"
Djoerd Hiemstra | Claudia Hauff
Multilingual and Multimodal Information Access Evaluation, International Conference of the Cross-Language Evaluation Forum, CLEF 2010, Padua, Italy, September 20-23, 2010. Proceedings

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How Different Are Language Models andWord Clouds?
Rianne Kaptein | Djoerd Hiemstra | Jaap Kamps
Advances in Information Retrieval, 32nd European Conference on IR Research, ECIR 2010, Milton Keynes, UK, March 28-31, 2010. Proceedings

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Beyond Shot Retrieval: Searching for Broadcast News Items Using Language Models of Concepts
Robin Aly | Aiden R. Doherty | Djoerd Hiemstra | Alan F. Smeaton
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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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

2009

Behind the scenes of the digital museum of information retrieval research
Djoerd Hiemstra | Tristan Pothoven | Marijn van Vliet | Donna Harman
Proceedings of the 9th Dutch-Belgian Information Retrieval Workshop February 2-3, 2009, Enschede, The Netherlands

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Collection Selection with Highly Discriminative Keys
Sander Bockting | Djoerd Hiemstra
Proceedings of the 7th Workshop on Large-Scale Distributed Systems for Information Retrieval, co-located with ACM SIGIR 2009, LSDS-IR@SIGIR 2009, Boston, USA, July 23, 2009

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Reusing annotation labor for concept selection
Robin Aly | Djoerd Hiemstra | Arjen P. de Vries
Proceedings of the 8th ACM International Conference on Image and Video Retrieval, CIVR 2009, Santorini Island, Greece, July 8-10, 2009

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University of Twente @ TREC 2009: Indexing Half a Million Web Pages
Claudia Hauff | Djoerd Hiemstra
Proceedings of The Eighteenth Text REtrieval Conference, TREC 2009, Gaithersburg, Maryland, USA, November 17-20, 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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Information Extraction and Linking in a Retrieval Context
Marie-Francine Moens | 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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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

2008

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DB&IR integration: report on the dagstuhl seminar
Sihem Amer-Yahia | Djoerd Hiemstra | Thomas Roelleke | Divesh Srivastava | Gerhard Weikum
2008 Volume 42 Issue 2

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Saving and accessing the old IR literature
Donna Harman | Djoerd Hiemstra
2008 Volume 42 Issue 2

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On the Evaluation of Snippet Selection for WebCLEF
Arnold Overwijk | Dong Nguyen | Claudia Hauff | Dolf Trieschnigg | Djoerd Hiemstra | Franciska de Jong
Evaluating Systems for Multilingual and Multimodal Information Access, 9th Workshop of the Cross-Language Evaluation Forum, CLEF 2008, Aarhus, Denmark, September 17-19, 2008, Revised Selected Papers

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WikiTranslate: Query Translation for Cross-Lingual Information Retrieval Using Only Wikipedia
Dong Nguyen | Arnold Overwijk | Claudia Hauff | Dolf Trieschnigg | Djoerd Hiemstra | Franciska de Jong
Evaluating Systems for Multilingual and Multimodal Information Access, 9th Workshop of the Cross-Language Evaluation Forum, CLEF 2008, Aarhus, Denmark, September 17-19, 2008, Revised Selected Papers

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WikiTranslate: Query Translation for Cross-lingual Information Retrieval using only Wikipedia
Dong Nguyen | Arnold Overwijk | Claudia Hauff | Dolf Trieschnigg | Djoerd Hiemstra | Franciska M. G. de Jong
Working Notes for CLEF 2008 Workshop co-located with the 12th European Conference on Digital Libraries (ECDL 2008) , Aarhus, Denmark, September 17-19, 2008

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On the Evaluation of Snippet Selection for Information Retrieval
Arnold Overwijk | Dong Nguyen | Claudia Hauff | Rudolf Berend Trieschnigg | Djoerd Hiemstra | Franciska M. G. de Jong
Working Notes for CLEF 2008 Workshop co-located with the 12th European Conference on Digital Libraries (ECDL 2008) , Aarhus, Denmark, September 17-19, 2008

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A probabilistic ranking framework using unobservable binary events for video search
Robin Aly | Djoerd Hiemstra | Arjen P. de Vries | Franciska de Jong
Proceedings of the 7th ACM International Conference on Image and Video Retrieval, CIVR 2008, Niagara Falls, Canada, July 7-9, 2008

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University of Twente at the TREC 2008 Enterprise Track: Using the Global Web as an Expertise Evidence Source
Pavel Serdyukov | Robin Aly | Djoerd Hiemstra
Proceedings of The Seventeenth Text REtrieval Conference, TREC 2008, Gaithersburg, Maryland, USA, November 18-21, 2008

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The Impact of Positive, Negative and Topical Relevance Feedback
Rianne Kaptein | Jaap Kamps | Djoerd Hiemstra
Proceedings of The Seventeenth Text REtrieval Conference, TREC 2008, Gaithersburg, Maryland, USA, November 18-21, 2008

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Combining document- and paragraph-based entity ranking
Henning Rode | Pavel Serdyukov | Djoerd Hiemstra
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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Modeling expert finding as an absorbing random walk
Pavel Serdyukov | Henning Rode | Djoerd Hiemstra
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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Exploiting sequential dependencies for expert finding
Pavel Serdyukov | Henning Rode | Djoerd Hiemstra
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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Using parsimonious language models on web data
Rianne Kaptein | Rongmei Li | Djoerd Hiemstra | Jaap Kamps
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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A survey of pre-retrieval query performance predictors
Claudia Hauff | Djoerd Hiemstra | Franciska de Jong
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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Modeling multi-step relevance propagation for expert finding
Pavel Serdyukov | Henning Rode | Djoerd Hiemstra
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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ECIR 2008 Tutorials
Djoerd Hiemstra
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings

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Modeling Documents as Mixtures of Persons for Expert Finding
Pavel Serdyukov | Djoerd Hiemstra
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings

2007

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SIGIR's 30th anniversary: an analysis of trends in IR research and the topology of its community
Djoerd Hiemstra | Claudia Hauff | Franciska de Jong | Wessel Kraaij
2007 Volume 41 Issue 2

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University of Twente at the TREC 2007 Enterprise Track: Modeling Relevance Propagation for the Expert Search Task
Pavel Serdyukov | Henning Rode | Djoerd Hiemstra
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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Parsimonious Language Models for a Terabyte of Text
Djoerd Hiemstra | Rongmei Li | Jaap Kamps | Rianne Kaptein
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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Generative modeling of persons and documents for expert search
Pavel Serdyukov | Djoerd Hiemstra | Maarten M. Fokkinga | Peter M. G. Apers
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

2006

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Speech Retrieval Experiments using XML Information Retrieval
Djoerd Hiemstra | Roeland Ordelman | Robin Aly | Laurens van der Werff | Franciska de Jong
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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XML Information Retrieval from Spoken Word Archives
Robin Aly | Djoerd Hiemstra | Roeland Ordelman | Laurens van der Werff | Franciska de Jong
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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The TIJAH XML information retrieval system
Henk Ernst Blok | Vojkan Mihajlovic | Georgina Ramírez | Thijs Westerveld | Djoerd Hiemstra | Arjen P. de Vries
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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Using Query Profiles for Clarification
Henning Rode | Djoerd Hiemstra
Advances in Information Retrieval, 28th European Conference on IR Research, ECIR 2006, London, UK, April 10-12, 2006, Proceedings

2005

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TIJAH: Embracing IR Methods in XML Databases
Johan A. List | Vojkan Mihajlovic | Georgina Ramírez | Arjen P. de Vries | Djoerd Hiemstra | Henk Ernst Blok
2005 Volume 8 Issue 4

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The Lowlands' TREC Experiments 2005
Henning Rode | Djoerd Hiemstra | Georgina Ramírez | Thijs Westerveld | Arjen P. de Vries
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

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Score region algebra: building a transparent XML-R database
Vojkan Mihajlovic | Henk Ernst Blok | Djoerd Hiemstra | Peter M. G. Apers
Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005

2004

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Interactive Content-Based Retrieval Using Pre-computed Object-Object Similarities
Liudmila V. Boldareva | Djoerd Hiemstra
Image and Video Retrieval: Third International Conference, CIVR 2004, Dublin, Ireland, July 21-23, 2004. Proceedings

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Conceptual Language Models for Context-Aware Text Retrieval
Henning Rode | Djoerd Hiemstra
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004

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Monitoring User-System Performance in Interactive Retrieval Tasks
Liudmila V. Boldareva | Arjen P. de Vries | Djoerd Hiemstra
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2004, 7th International Conference, University of Avignon, France, April 26-28, 2004. Proceedings

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Parsimonious language models for information retrieval
Djoerd Hiemstra | Stephen E. Robertson | Hugo Zaragoza
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

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Challenges in information retrieval and language modeling: report of a workshop held at the center for intelligent information retrieval, University of Massachusetts Amherst, September 2002
James Allan | Jay Aslam | Nicholas J. Belkin | Chris Buckley | James P. Callan | W. Bruce Croft | Susan T. Dumais | Norbert Fuhr | Donna Harman | David J. Harper | Djoerd Hiemstra | Thomas Hofmann | Eduard H. Hovy | Wessel Kraaij | John D. Lafferty | Victor Lavrenko | David D. Lewis | Liz Liddy | R. Manmatha | Andrew McCallum | Jay M. Ponte | John M. Prager | Dragomir R. Radev | Philip Resnik | Stephen E. Robertson | Ronald Rosenfeld | Salim Roukos | Mark Sanderson | Richard M. Schwartz | Amit Singhal | Alan F. Smeaton | Howard R. Turtle | Ellen M. Voorhees | Ralph M. Weischedel | Jinxi Xu | ChengXiang Zhai
2003 Volume 37 Issue 1

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Multilingual Retrieval in Twente
Franciska de Jong | Dennis Reidsma | Djoerd Hiemstra
Working Notes for CLEF 2003 Workshop co-located with the 7th European Conference on Digital Libraries (ECDL 2003), Trondheim, Norway, August 21-22, 2003

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Bayesian extension to the language model for ad hoc information retrieval
Hugo Zaragoza | Djoerd Hiemstra | Michael E. Tipping
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

2002

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Cross-language Retrieval at Twente and TNO
Dennis Reidsma | Djoerd Hiemstra | Franciska de Jong | Wessel Kraaij
Working Notes for CLEF 2002 Workshop co-located with the 6th European Conference on Digital Libraries (ECDL 2002), Rome, Italy, September 19-20, 2002

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Cross-Language Retrieval at the University of Twente and TNO
Dennis Reidsma | Djoerd Hiemstra | Franciska de Jong | Wessel Kraaij
Advances in Cross-Language Information Retrieval, Third Workshop of the Cross-Language Evaluation Forum, CLEF 2002. Rome, Italy, September 19-20, 2002. Revised Papers

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Term-specific smoothing for the language modeling approach to information retrieval: the importance of a query term
Djoerd Hiemstra
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland

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The Importance of Prior Probabilities for Entry Page Search
Wessel Kraaij | Thijs Westerveld | Djoerd Hiemstra
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland

2001

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Retrieving Web Pages Using Content, Links, URLs and Anchors
Thijs Westerveld | Wessel Kraaij | Djoerd Hiemstra
Proceedings of The Tenth Text REtrieval Conference, TREC 2001, Gaithersburg, Maryland, USA, November 13-16, 2001

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Predicting the Cost-Quality Trade-Off for Information Retrieval Queries: Facilitating Database Design and Query Optimization
Henk Ernst Blok | Djoerd Hiemstra | Sunil Choenni | Franciska de Jong | Henk M. Blanken | Peter M. G. Apers
Proceedings of the 2001 ACM CIKM International Conference on Information and Knowledge Management, Atlanta, Georgia, USA, November 5-10, 2001

2000

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Translation Resources, Merging Strategies, and Relevance Feedback for Cross-Language Information Retrieval
Djoerd Hiemstra | Wessel Kraaij | Renée Pohlmann | Thijs Westerveld
Cross-Language Information Retrieval and Evaluation, Workshop of Cross-Language Evaluation Forum, CLEF 2000, Lisbon, Portugal, September 21-22, 2000, Revised Papers

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Twenty-One at CLEF-2000: Translation Resources, Merging Strategies and Relevance Feedback
Djoerd Hiemstra | Wessel Kraaij | Renée Pohlmann | Thijs Westerveld
Working Notes for CLEF 2000 Workshop co-located with the 4th European Conference on Digital Libraries (ECDL 2000), Lisbon, Portugal, September 21-22, 2000

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Language-Based Multimedia Information Retrieval
Franciska de Jong | Jean-Luc Gauvain | Djoerd Hiemstra | Klaus Netter
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2000, 6th International Conference, College de France, France, April 12-14, 2000. Proceedings

1999

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Twenty-One at TREC-8: using Language Technology for Information Retrieval
Wessel Kraaij | Renée Pohlmann | Djoerd Hiemstra
Proceedings of The Eighth Text REtrieval Conference, TREC 1999, Gaithersburg, Maryland, USA, November 17-19, 1999

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The Mirror DBMS at TREC-8
Arjen P. de Vries | Djoerd Hiemstra
Proceedings of The Eighth Text REtrieval Conference, TREC 1999, Gaithersburg, Maryland, USA, November 17-19, 1999

1998

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Twenty-One at TREC7: Ad-hoc and Cross-Language Track
Djoerd Hiemstra | Wessel Kraaij
Proceedings of The Seventh Text REtrieval Conference, TREC 1998, Gaithersburg, Maryland, USA, November 9-11, 1998

1997

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Cross Language Retrieval with the Twenty-One system
Wessel Kraaij | Djoerd Hiemstra
Proceedings of The Sixth Text REtrieval Conference, TREC 1997, Gaithersburg, Maryland, USA, November 19-21, 1997

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The twenty-one demonstrator
Djoerd Hiemstra | Franciska de Jong | Wessel Kraaij
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 1997, 5th International Conference, McGill University, Montreal, Canada, June 25-27, 1997. Proceedings

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A domain Specific Lexicon Acquisition Tool for Cross-Language Information Retrieval
Djoerd Hiemstra | Franciska de Jong | Wessel Kraaij
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 1997, 5th International Conference, McGill University, Montreal, Canada, June 25-27, 1997. Proceedings

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