Djoerd Hiemstra

2026

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Open Web Indexes for Remote Querying.
Gijs Hendriksen|Djoerd Hiemstra|Arjen P. de Vries
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part I
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The Third International Workshop on Open Web Search (WOWS).
Laura Caspari|Maik Fröbe|Sebastian Heineking|Michael Granitzer|Gijs Hendriksen|Djoerd Hiemstra|Martin Potthast|Arjen P. de Vries|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

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Selective Search as a First-Stage Retriever.
Gijs Hendriksen|Djoerd Hiemstra|Arjen P. de Vries
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 16th International Conference of the CLEF Association, CLEF 2025, Madrid, Spain, September 9-12, 2025, Proceedings
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Team OpenWebSearch at LongEval: Using Historical Data for Scientific Search.
Daria Alexander|Maik Fröbe|Gijs Hendriksen|Matthias Hagen|Djoerd Hiemstra|Martin Potthast|Arjen P. de Vries
Working Notes of the Conference and Labs of the Evaluation Forum, CLEF 2025, Madrid, Spain, 9-12 September 2025.
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Efficient Session Retrieval Using Topical Index Shards.
Gijs Hendriksen|Djoerd Hiemstra|Arjen P. de Vries
Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part II
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The Second International Workshop on Open Web Search (WOWS).
Sheikh Mastura Farzana|Maik Fröbe|Michael Granitzer|Gijs Hendriksen|Djoerd Hiemstra|Martin Potthast|Arjen P. de Vries|Saber Zerhoudi
Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part V
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Score-Fitted Indexes and Constant Length Indexes for Information Retrieval.
Djoerd Hiemstra
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2024

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Report on the 1st International Workshop on Open Web Search (WOWS 2024) at ECIR 2024.
Sheikh Mastura Farzana|Maik Fröbe|Michael Granitzer|Gijs Hendriksen|Djoerd Hiemstra|Martin Potthast|Arjen P. de Vries|Saber Zerhoudi
SIGIR Forum 2024 Volume 58 Issue 1
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Impact and development of an Open Web Index for open web search.
Michael Granitzer|Stefan Voigt|Noor Afshan Fathima|Martin Golasowski|Christian Guetl|Tobias Hecking|Gijs Hendriksen|Djoerd Hiemstra|Jan Martinovic|Jelena Mitrovic|Izidor Mlakar|Stavros Moiras|Alexander Nussbaumer|Per Öster|Martin Potthast|Marjana Sencar Srdic|Sharikadze Megi|Katerina Slaninová|Benno Stein|Arjen P. de Vries|Vít Vondrák|Andreas Wagner|Saber Zerhoudi
Journal of the Association for Information Science and Technology (JASIST) 2024 Volume 75 Issue 5
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Team OpenWebSearch at CLEF 2024: LongEval.
Daria Alexander|Maik Fröbe|Gijs Hendriksen|Ferdinand Schlatt|Matthias Hagen|Djoerd Hiemstra|Martin Potthast|Arjen P. de Vries
Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), Grenoble, France, 9-12 September, 2024.
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Weighted AUReC: Handling Skew in Shard Map Quality Estimation for Selective Search.
Gijs Hendriksen|Djoerd Hiemstra|Arjen P. de Vries
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part IV
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The First International Workshop on Open Web Search (WOWS).
Sheikh Mastura Farzana|Maik Fröbe|Michael Granitzer|Gijs Hendriksen|Djoerd Hiemstra|Martin Potthast|Saber Zerhoudi
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V
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The Open Web Index - Crawling and Indexing the Web for Public Use.
Gijs Hendriksen|Michael Dinzinger|Sheikh Mastura Farzana|Noor Afshan Fathima|Maik Fröbe|Sebastian Schmidt|Saber Zerhoudi|Michael Granitzer|Matthias Hagen|Djoerd Hiemstra|Martin Potthast|Benno Stein
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V

2023

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Cross-Market Product-Related Question Answering.
Negin Ghasemi|Mohammad Aliannejadi|Hamed R. Bonab|Evangelos Kanoulas|Arjen P. de Vries|James Allan|Djoerd Hiemstra
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2022

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Guest editorial: special issue on ECIR 2021.
Djoerd Hiemstra|Marie-Francine Moens
Discover Computing 2022 Volume 25 Issue 2
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Was Fairness in IR Discussed by Cooper and Robertson in the 1970's?
Djoerd Hiemstra
SIGIR Forum 2022 Volume 56 Issue 2

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 I
European Conference on Advances in Information Retrieval (ECIR) 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
European Conference on Advances in Information Retrieval (ECIR) 2021
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Report on the ECIR 2021 discussion panel on open access.
Djoerd Hiemstra
SIGIR Forum 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

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
SIGIR Forum 2020 Volume 54 Issue 1

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 I
European Conference on Advances in Information Retrieval (ECIR) 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
European Conference on Advances in Information Retrieval (ECIR) 2019

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
SIGIR Forum 2017 Volume 51 Issue 2
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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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Predicting relevance based on assessor disagreement: analysis and practical applications for search evaluation.
Thomas Demeester|Robin Aly|Djoerd Hiemstra|Dong Nguyen|Chris Develder
Discover Computing 2016 Volume 19 Issue 3
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Evaluation and analysis of term scoring methods for term extraction.
Suzan Verberne|Maya Sappelli|Djoerd Hiemstra|Wessel Kraaij
Discover Computing 2016 Volume 19 Issue 5
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Luhn Revisited: Significant Words Language Models.
Mostafa Dehghani|Jaap Kamps|Roberto Mirizzi|Djoerd Hiemstra|Hosein Azarbonyad|Tommaso Di Noia|Jaap Kamps|Roberto Mirizzi|Tommaso Di Noia|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
Information Processing and Management 2015 Volume 51 Issue 6
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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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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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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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Expert group formation using facility location analysis.
Mahmood Neshati|Hamid Beigy|Djoerd Hiemstra
Information Processing and Management 2014 Volume 50 Issue 2
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Analysis of Search and Browsing Behavior of Young Users on the Web.
Sergio Duarte Torres|Ingmar Weber|Djoerd Hiemstra
ACM Transactions on the Web 2014 Volume 8 Issue 2
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Integration of scientific and social networks.
Mahmood Neshati|Djoerd Hiemstra|Ehsaneddin Asgari|Hamid Beigy
World Wide Web (WWW) 2014 Volume 17 Issue 5
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Query recommendation in the information domain of children.
Sergio Duarte Torres|Djoerd Hiemstra|Ingmar Weber|Pavel Serdyukov
Journal of the Association for Information Science and Technology (JASIST) 2014 Volume 65 Issue 7
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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
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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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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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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

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
Discover Computing 2013 Volume 16 Issue 5
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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
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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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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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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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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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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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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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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

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
Conference and Labs of the Evaluation Forum (CLEF) 2012
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Peer-to-Peer Information Retrieval: An Overview.
Almer S. Tigelaar|Djoerd Hiemstra|Dolf Trieschnigg
ACM Transactions on Information Systems (TOIS) 2012 Volume 30 Issue 2
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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
SIGIR Forum 2012 Volume 46 Issue 2
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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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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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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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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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EmSe: Supporting Children's Information Needs within a Hospital Environment.
Leif Azzopardi|Douglas Dowie|Sergio Duarte Torres|Carsten Eickhoff|Richard Glassey|Karl Gyllstrom|Djoerd Hiemstra|Franciska de Jong|Frea Kruisinga|Kelly Ann Marshall|Sien Moens|Tamara Polajnar|Frans van der Sluis|Arjen P. de Vries
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings
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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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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

2011

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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
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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

2010

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Towards accessible search systems.
Pavel Serdyukov|Djoerd Hiemstra|Ian Ruthven
SIGIR Forum 2010 Volume 44 Issue 2
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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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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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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
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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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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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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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MapReduce for Experimental Search.
Djoerd Hiemstra|Claudia Hauff
Proceedings of The Nineteenth Text REtrieval Conference, TREC 2010, Gaithersburg, Maryland, USA, November 16-19, 2010

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

2008

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DB&IR integration: report on the dagstuhl seminar.
Sihem Amer-Yahia|Djoerd Hiemstra|Thomas Roelleke|Divesh Srivastava|Gerhard Weikum
SIGIR Forum 2008 Volume 42 Issue 2
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Saving and accessing the old IR literature.
Donna Harman|Djoerd Hiemstra
SIGIR Forum 2008 Volume 42 Issue 2
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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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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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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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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 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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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
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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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Combining document- and paragraph-based entity ranking.
Henning Rode|Wai Gen Yee|Andrew Yates|Pavel Serdyukov|Djoerd Hiemstra|Ophir Frieder|Djoerd Hiemstra|Ophir Frieder
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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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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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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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

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
SIGIR Forum 2007 Volume 41 Issue 2
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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
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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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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

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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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.
doi dblp
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
doi dblp
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

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
Discover Computing 2005 Volume 8 Issue 4
doi dblp
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
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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

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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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
doi dblp
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
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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

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
SIGIR Forum 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.
doi dblp
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

doi dblp
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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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.
doi dblp
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
doi dblp
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

doi dblp
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
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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

2000

doi dblp
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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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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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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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