A domain Specific Lexicon Acquisition Tool for Cross-Language Information Retrieval. - Djoerd Hiemstra; Franciska de Jong; Wessel Kraaij (RIAO, 1997)

The twenty-one demonstrator. - Djoerd Hiemstra; Franciska de Jong; Wessel Kraaij (RIAO, 1997)

Cross Language Retrieval with the Twenty-One system. - Wessel Kraaij; Djoerd Hiemstra (TREC, 1997)

A Linguistically Motivated Probabilistic Model of Information Retrieval. - Djoerd Hiemstra (ECDL, 1998)

Twenty-One at TREC7: Ad-hoc and Cross-Language Track. - Djoerd Hiemstra; Wessel Kraaij (TREC, 1998)

Extracting Bimodal Representations for Language-Based Image Retrieval. - Thijs Westerveld; Djoerd Hiemstra; Franciska de Jong (Eurographics Multimedia Workshop, 1999)

Disambiguation Strategies for Cross-Language Information Retrieval. - Djoerd Hiemstra; Franciska de Jong (ECDL, 1999)

Twenty-One at TREC-8: using Language Technology for Information Retrieval. - Wessel Kraaij; Renée Pohlmann; Djoerd Hiemstra (TREC, 1999)

The Mirror DBMS at TREC-8. - Arjen P. de Vries; Djoerd Hiemstra (TREC, 1999)

Translation Resources, Merging Strategies, and Relevance Feedback for Cross-Language Information Retrieval. - Djoerd Hiemstra; Wessel Kraaij; Renée Pohlmann; Thijs Westerveld (CLEF, 2000)

Twenty-One at CLEF-2000: Translation Resources, Merging Strategies and Relevance Feedback. - Djoerd Hiemstra; Wessel Kraaij; Renée Pohlmann; Thijs Westerveld (CLEF (Working Notes), 2000)

Language-Based Multimedia Information Retrieval. - Franciska de Jong; Jean-Luc Gauvain; Djoerd Hiemstra; Klaus Netter (RIAO, 2000)

A probabilistic justification for using tf x idf term weighting in information retrieval. - Djoerd Hiemstra (Int. J. Digit. Libr., 2000)

Using language models for information retrieval. - Djoerd Hiemstra (Univ. Twente, 2001)

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 (CIKM, 2001)

Creating a Dutch Information Retrieval Test Corpus. - Djoerd Hiemstra; David A. van Leeuwen (CLIN, 2001)

Relevance Feedback for Best Match Term Weighting Algorithms in Information Retrieval. - Djoerd Hiemstra; Stephen E. Robertson (DELOS, 2001)

Retrieving Web Pages Using Content, Links, URLs and Anchors. - Thijs Westerveld; Wessel Kraaij; Djoerd Hiemstra (TREC, 2001)

Using Language Models for Information Retrieval. - Djoerd Hiemstra (2001)

Cross-Language Retrieval at the University of Twente and TNO. - Dennis Reidsma; Djoerd Hiemstra; Franciska de Jong; Wessel Kraaij (CLEF, 2002)

Cross-language Retrieval at Twente and TNO. - Dennis Reidsma; Djoerd Hiemstra; Franciska de Jong; Wessel Kraaij (CLEF (Working Notes), 2002)

A Database Approach to Content-based XML Retrieval. - Djoerd Hiemstra (INEX Workshop, 2002)

Term-specific smoothing for the language modeling approach to information retrieval: the importance of a query term. - Djoerd Hiemstra (SIGIR, 2002)

The Importance of Prior Probabilities for Entry Page Search. - Wessel Kraaij; Thijs Westerveld; Djoerd Hiemstra (SIGIR, 2002)

Multilingual Retrieval in Twente. - Franciska de Jong; Dennis Reidsma; Djoerd Hiemstra (CLEF (Working Notes), 2003)

The TIJAH XML-IR system at INEX 2003. - Johan A. List; Vojkan Mihajlovic; Arjen P. de Vries; Georgina Ramírez; Djoerd Hiemstra (INEX, 2003)

Bayesian extension to the language model for ad hoc information retrieval. - Hugo Zaragoza; Djoerd Hiemstra; Michael E. Tipping (SIGIR, 2003)

Combining Information Sources for Video Retrieval. - Thijs Westerveld; Tzvetanka I. Ianeva; Liudmila V. Boldareva; Arjen P. de Vries; Djoerd Hiemstra (TRECVID, 2003)

Statistical Language Models for Intelligent XML Retrieval. - Djoerd Hiemstra (Intelligent Search on XML Data, 2003)

A Probabilistic Multimedia Retrieval Model and Its Evaluation. - Thijs Westerveld; Arjen P. de Vries; Alex van Ballegooij; Franciska de Jong; Djoerd Hiemstra (EURASIP J. Adv. Signal Process., 2003)

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 001; et al. (SIGIR Forum, 2003)

Interactive Content-Based Retrieval Using Pre-computed Object-Object Similarities. - Liudmila V. Boldareva; Djoerd Hiemstra (CIVR, 2004)

TIJAH at INEX 2004 Modeling Phrases and Relevance Feedback. - Vojkan Mihajlovic; Georgina Ramírez; Arjen P. de Vries; Djoerd Hiemstra; Henk Ernst Blok (INEX, 2004)

Monitoring User-System Performance in Interactive Retrieval Tasks. - Liudmila V. Boldareva; Arjen P. de Vries; Djoerd Hiemstra (RIAO, 2004)

Parsimonious language models for information retrieval. - Djoerd Hiemstra; Stephen E. Robertson; Hugo Zaragoza (SIGIR, 2004)

Conceptual Language Models for Context-Aware Text Retrieval. - Henning Rode; Djoerd Hiemstra (TREC, 2004)

Probabilistic Approaches to Video Retrieval. - Tzvetanka I. Ianeva; Liudmila V. Boldareva; Thijs Westerveld; Roberto Cornacchia; Djoerd Hiemstra; Arjen P. de Vries (TRECVID, 2004)

Report on the first Twente Data Management Workshop on XML Databases and Information Retrieval. - Djoerd Hiemstra; Vojkan Mihajlovic (SIGMOD Rec., 2004)

Score region algebra: building a transparent XML-R database. - Vojkan Mihajlovic; Henk Ernst Blok; Djoerd Hiemstra; Peter M. G. Apers (CIKM, 2005)

TIJAH Scratches INEX 2005: Vague Element Selection, Image Search, Overlap, and Relevance Feedback. - Vojkan Mihajlovic; Georgina Ramírez; Thijs Westerveld; Djoerd Hiemstra; Henk Ernst Blok; Arjen P. de Vries (INEX, 2005)

The Lowlands' TREC Experiments 2005. - Henning Rode; Djoerd Hiemstra; Georgina Ramírez; Thijs Westerveld; Arjen P. de Vries (TREC, 2005)

An Integrated Approach to Text and Image Retrieval- The Lowlands Team at Trecvid 2005. - Thijs Westerveld; Jan C. van Gemert; Roberto Cornacchia; Djoerd Hiemstra; Arjen P. de Vries (TRECVID, 2005)

TIJAH: Embracing IR Methods in XML Databases. - Johan A. List; Vojkan Mihajlovic; Georgina Ramírez; Arjen P. de Vries; Djoerd Hiemstra; Henk Ernst Blok (Inf. Retr., 2005)

Editorial. - Roelof van Zwol; Arjen P. de Vries; Djoerd Hiemstra (J. Digit. Inf. Manag., 2005)

The Potential of User Feedback Through the Iterative Refining of Queries in an Image Retrieval System. - Maher Ben Moussa; Marco Pasch; Djoerd Hiemstra; Paul E. van der Vet; Theo W. C. Huibers (Adaptive Multimedia Retrieval, 2006)

XML Information Retrieval from Spoken Word Archives. - Robin Aly; Djoerd Hiemstra; Roeland Ordelman; Laurens van der Werff; Franciska de Jong (CLEF, 2006)

Speech Retrieval Experiments using XML Information Retrieval. - Djoerd Hiemstra; Roeland Ordelman; Robin Aly; Laurens van der Werff; Franciska de Jong (CLEF (Working Notes), 2006)

Using Query Profiles for Clarification. - Henning Rode; Djoerd Hiemstra (ECIR, 2006)

Evaluating Structured Information Retrieval and Multimedia Retrieval Using PF/Tijah. - Thijs Westerveld; Henning Rode; Roel van Os; Djoerd Hiemstra; Georgina Ramírez; Vojkan Mihajlovic; Arjen P. de Vries (INEX, 2006)

The TIJAH XML information retrieval system. - Henk Ernst Blok; Vojkan Mihajlovic; Georgina Ramírez; Thijs Westerveld; Djoerd Hiemstra; Arjen P. de Vries (SIGIR, 2006)

Searching for Text Documents. - Henk M. Blanken; Djoerd Hiemstra (Multimedia Retrieval, 2007)

Evaluation of Multimedia Retrieval Systems. - Djoerd Hiemstra; Wessel Kraaij (Multimedia Retrieval, 2007)

Structured Document Retrieval, Multimedia Retrieval, and Entity Ranking Using PF/Tijah. - Theodora Tsikrika; Pavel Serdyukov; Henning Rode; Thijs Westerveld; Robin Aly; Djoerd Hiemstra; Arjen P. de Vries (INEX, 2007)

The Effectiveness of Concept Based Search for Video Retrieval. - Claudia Hauff; Robin Aly; Djoerd Hiemstra (LWA, 2007)

Generative modeling of persons and documents for expert search. - Pavel Serdyukov; Djoerd Hiemstra; Maarten M. Fokkinga; Peter M. G. Apers (SIGIR, 2007)

Parsimonious Language Models for a Terabyte of Text. - Djoerd Hiemstra; Rongmei Li; Jaap Kamps; Rianne Kaptein (TREC, 2007)

University of Twente at the TREC 2007 Enterprise Track: Modeling Relevance Propagation for the Expert Search Task. - Pavel Serdyukov; Henning Rode; Djoerd Hiemstra (TREC, 2007)

The Lowlands team at TRECVID 2007. - Robin Aly; Claudia Hauff; Willemijn Heeren; Djoerd Hiemstra; Franciska de Jong; Roeland Ordelman; Thijs Verschoor; Arjen P. de Vries (TRECVID, 2007)

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)

A survey of pre-retrieval query performance predictors. - Claudia Hauff; Djoerd Hiemstra; Franciska de Jong (CIKM, 2008)

Modeling multi-step relevance propagation for expert finding. - Pavel Serdyukov; Henning Rode; Djoerd Hiemstra (CIKM, 2008)

A probabilistic ranking framework using unobservable binary events for video search. - Robin Aly; Djoerd Hiemstra; Arjen P. de Vries; Franciska de Jong (CIVR, 2008)

WikiTranslate: Query Translation for Cross-lingual Information Retrieval using only Wikipedia. - Dong Nguyen 002; Arnold Overwijk; Claudia Hauff; Dolf Trieschnigg; Djoerd Hiemstra; Franciska M. G. de Jong (CLEF (Working Notes), 2008)

On the Evaluation of Snippet Selection for WebCLEF. - Arnold Overwijk; Dong Nguyen 002; Claudia Hauff; Dolf Trieschnigg; Djoerd Hiemstra; Franciska de Jong (CLEF, 2008)

On the Evaluation of Snippet Selection for Information Retrieval. - Arnold Overwijk; Dong Nguyen 002; Claudia Hauff; Rudolf Berend Trieschnigg; Djoerd Hiemstra; Franciska M. G. de Jong (CLEF (Working Notes), 2008)

08111 Report - Ranked XML Querying. - Sihem Amer-Yahia; Djoerd Hiemstra; Thomas Rölleke; Divesh Srivastava; Gerhard Weikum (Ranked XML Querying, 2008)

Sound ranking algorithms for XML search in PF/Tijah. - Djoerd Hiemstra; Stefan Klinger; Henning Rode; Jan Flokstra; Peter M. G. Apers (Ranked XML Querying, 2008)

ECIR 2008 Tutorials. - Djoerd Hiemstra (ECIR, 2008)

Modeling Documents as Mixtures of Persons for Expert Finding. - Pavel Serdyukov; Djoerd Hiemstra (ECIR, 2008)

Efficient XML and Entity Retrieval with PF/Tijah: CWI and University of Twente at INEX'08. - Henning Rode; Djoerd Hiemstra; Arjen P. de Vries; Pavel Serdyukov (INEX, 2008)

The Right Expert at the Right Time and Place. - Pavel Serdyukov; Ling Feng; Arthur H. van Bunningen; Sander Evers; Harold van Heerde; Peter M. G. Apers; Maarten M. Fokkinga; Djoerd Hiemstra (PAKM, 2008)

Using parsimonious language models on web data. - Rianne Kaptein; Rongmei Li; Djoerd Hiemstra; Jaap Kamps (SIGIR, 2008)

Combining document- and paragraph-based entity ranking. - Henning Rode; Pavel Serdyukov; Djoerd Hiemstra (SIGIR, 2008)

Exploiting sequential dependencies for expert finding. - Pavel Serdyukov; Henning Rode; Djoerd Hiemstra (SIGIR, 2008)

Modeling expert finding as an absorbing random walk. - Pavel Serdyukov; Henning Rode; Djoerd Hiemstra (SIGIR, 2008)

The Impact of Positive, Negative and Topical Relevance Feedback. - Rianne Kaptein; Jaap Kamps; Djoerd Hiemstra (TREC, 2008)

University of Twente at the TREC 2008 Enterprise Track: Using the Global Web as an Expertise Evidence Source. - Pavel Serdyukov; Robin Aly; Djoerd Hiemstra (TREC, 2008)

The Lowlands Team at TRECVID 2008. - Robin Aly; Djoerd Hiemstra; Arjen P. de Vries; Henning Rode (TRECVID, 2008)

DB&IR integration: report on the dagstuhl seminar. - Sihem Amer-Yahia; Djoerd Hiemstra; Thomas Roelleke; Divesh Srivastava; Gerhard Weikum (SIGIR Forum, 2008)

Saving and accessing the old IR literature. - Donna Harman; Djoerd Hiemstra (SIGIR Forum, 2008)

DB&IR integration: report on the Dagstuhl seminar "ranked XML querying". - Sihem Amer-Yahia; Djoerd Hiemstra; Thomas Roelleke; Divesh Srivastava; Gerhard Weikum (SIGMOD Rec., 2008)

Information Retrieval Models. - Djoerd Hiemstra (Information Retrieval, 2009)

Relying on topic subsets for system ranking estimation. - Claudia Hauff; Djoerd Hiemstra; Franciska de Jong; Leif Azzopardi (CIKM, 2009)

Reusing annotation labor for concept selection. - Robin Aly; Djoerd Hiemstra; Arjen P. de Vries (CIVR, 2009)

The Combination and Evaluation of Query Performance Prediction Methods. - Claudia Hauff; Leif Azzopardi; Djoerd Hiemstra (ECIR, 2009)

Information Extraction and Linking in a Retrieval Context. - Marie-Francine Moens; Djoerd Hiemstra (ECIR, 2009)

Introduction. - Alexander S. Szalay; Djoerd Hiemstra; Alfons Kemper; Manuel Prieto 001 (Euro-Par, 2009)

Concept detectors: how good is good enough? - Robin Aly; Djoerd Hiemstra (ACM Multimedia, 2009)

Collection Selection with Highly Discriminative Keys. - Sander Bockting; Djoerd Hiemstra (LSDS-IR@SIGIR, 2009)

University of Twente @ TREC 2009: Indexing Half a Million Web Pages. - Claudia Hauff; Djoerd Hiemstra (TREC, 2009)

StreetTiVo: Using a P2P XML Database System to Manage Multimedia Data in Your Living Room. - Ying Zhang 027; Arjen P. de Vries; Peter A. Boncz; Djoerd Hiemstra; Roeland Ordelman (APWeb/WAIM, 2009)

Towards Affordable Disclosure of Spoken Heritage Archives. - Roeland Ordelman; Willemijn Heeren; Marijn Huijbregts; Franciska de Jong; Djoerd Hiemstra (J. Digit. Inf., 2009)

Language Models. - Djoerd Hiemstra (Encyclopedia of Database Systems, 2009)

N-Gram Models. - Djoerd Hiemstra (Encyclopedia of Database Systems, 2009)

Probability Smoothing. - Djoerd Hiemstra (Encyclopedia of Database Systems, 2009)

Structured Text Retrieval Models. - Djoerd Hiemstra; Ricardo Baeza-Yates (Encyclopedia of Database Systems, 2009)

TeddIR: tangible information retrieval for children. - Michel Jansen; Wim Bos; Paul E. van der Vet; Theo W. C. Huibers; Djoerd Hiemstra (IDC, 2010)

A cross-lingual framework for monolingual biomedical information retrieval. - Dolf Trieschnigg; Djoerd Hiemstra; Franciska de Jong; Wessel Kraaij (CIKM, 2010)

MapReduce for Information Retrieval Evaluation: "Let's Quickly Test This on 12 TB of Data". - Djoerd Hiemstra; Claudia Hauff (CLEF, 2010)

Beyond Shot Retrieval: Searching for Broadcast News Items Using Language Models of Concepts. - Robin Aly; Aiden R. Doherty; Djoerd Hiemstra; Alan F. Smeaton (ECIR, 2010)

Query Performance Prediction: Evaluation Contrasted with Effectiveness. - Claudia Hauff; Leif Azzopardi; Djoerd Hiemstra; Franciska de Jong (ECIR, 2010)

A Case for Automatic System Evaluation. - Claudia Hauff; Djoerd Hiemstra; Leif Azzopardi; Franciska de Jong (ECIR, 2010)

How Different Are Language Models andWord Clouds? - Rianne Kaptein; Djoerd Hiemstra; Jaap Kamps (ECIR, 2010)

An analysis of queries intended to search information for children. - Sergio Duarte Torres; Djoerd Hiemstra; Pavel Serdyukov (IIiX, 2010)

Query-Based Sampling using Snippets. - Almer S. Tigelaar; Djoerd Hiemstra (LSDS-IR@SIGIR, 2010)

Query log analysis in the context of information retrieval for children. - Sergio Duarte Torres; Djoerd Hiemstra; Pavel Serdyukov (SIGIR, 2010)

MapReduce for Experimental Search. - Djoerd Hiemstra; Claudia Hauff (TREC, 2010)

MIREX: MapReduce Information Retrieval Experiments - Djoerd Hiemstra; Claudia Hauff (CoRR, 2010)

A database approach to information retrieval: The remarkable relationship between language models and region models - Djoerd Hiemstra; Vojkan Mihajlovic (CoRR, 2010)

Automatic summarisation of discussion fora. - Almer S. Tigelaar; Rieks op den Akker; Djoerd Hiemstra (Nat. Lang. Eng., 2010)

Towards accessible search systems. - Pavel Serdyukov; Djoerd Hiemstra; Ian Ruthven (SIGIR Forum, 2010)

Visual Exploration of Health Information for Children. - Frans van der Sluis; Sergio Duarte Torres; Djoerd Hiemstra; Betsy van Dijk; Frea Kruisinga (ECIR, 2011)

Free-Text Search versus Complex Web Forms. - Kien-Tsoi T. E. Tjin-Kam-Jet; Dolf Trieschnigg; Djoerd Hiemstra (ECIR, 2011)

Search Result Caching in Peer-to-Peer Information Retrieval Networks. - Almer S. Tigelaar; Djoerd Hiemstra; Dolf Trieschnigg (IRFC, 2011)

Free-Text Search over Complex Web Forms. - Kien-Tsoi T. E. Tjin-Kam-Jet; Dolf Trieschnigg; Djoerd Hiemstra (IRFC, 2011)

Multi-aspect group formation using facility location analysis. - Mahmood Neshati; Hamid Beigy; Djoerd Hiemstra (ADCS, 2012)

What Snippets Say about Pages in Federated Web Search. - Thomas Demeester; Dong Nguyen 002; Dolf Trieschnigg; Chris Develder; Djoerd Hiemstra (AIRS, 2012)

Shard ranking and cutoff estimation for topically partitioned collections. - Anagha Kulkarni 001; Almer S. Tigelaar; Djoerd Hiemstra; Jamie Callan (CIKM, 2012)

Federated search in the wild: the combined power of over a hundred search engines. - Dong Nguyen 002; Thomas Demeester; Dolf Trieschnigg; Djoerd Hiemstra (CIKM, 2012)

Query recommendation for children. - Sergio Duarte Torres; Djoerd Hiemstra; Ingmar Weber; Pavel Serdyukov (CIKM, 2012)

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; et al. (ECIR, 2012)

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; et al. (IIiX, 2012)

An analysis of free-text queries for a multi-field web form. - Kien-Tsoi T. E. Tjin-Kam-Jet; Dolf Trieschnigg; Djoerd Hiemstra (IIiX, 2012)

Ensemble Clustering for Result Diversification. - Dong Nguyen 002; Djoerd Hiemstra (TREC, 2012)

Brute Force Information Retrieval Experiments using MapReduce. - Djoerd Hiemstra; Claudia Hauff (ERCIM News, 2012)

Simulating the future of concept-based video retrieval under improved detector performance. - Robin Aly; Djoerd Hiemstra; Franciska de Jong; Peter M. G. Apers (Multim. Tools Appl., 2012)

CLEF 2012: information access evaluation meets multilinguality, multimodality, and visual analytics. - Tiziana Catarci; Nicola Ferro 001; Pamela Forner; Djoerd Hiemstra; Jussi Karlgren; Anselmo Peñas; Giuseppe Santucci; Christa Womser-Hacker (SIGIR Forum, 2012)

Peer-to-Peer Information Retrieval: An Overview. - Almer S. Tigelaar; Djoerd Hiemstra; Dolf Trieschnigg (ACM Trans. Inf. Syst., 2012)

What Snippets Say About Pages. - Thomas Demeester; Dong Nguyen 002; Dolf Trieschnigg; Chris Develder; Djoerd Hiemstra (DIR, 2013)

Traitor: Associating Concepts using the World Wide Web. - Wanno Drijfhout; Oliver Jundt; Lesley Wevers; Djoerd Hiemstra (DIR, 2013)

Readability of the Web: A study on 1 billion web pages. - Marije de Heus; Djoerd Hiemstra (DIR, 2013)

Size Estimation of Non-Cooperative Data Collections. - Mohammadreza Khelghati; Djoerd Hiemstra; Maurice van Keulen (DIR, 2013)

Snippet-Based Relevance Predictions for Federated Web Search. - Thomas Demeester; Dong Nguyen 002; Dolf Trieschnigg; Chris Develder; Djoerd Hiemstra (ECIR, 2013)

A Joint Classification Method to Integrate Scientific and Social Networks. - Mahmood Neshati; Ehsaneddin Asgari; Djoerd Hiemstra; Hamid Beigy (ECIR, 2013)

From Republicans to Teenagers - Group Membership and Search (GRUMPS). - Ingmar Weber; Djoerd Hiemstra; Pavel Serdyukov (ECIR, 2013)

Using a Stack Decoder for Structured Search. - Kien-Tsoi T. E. Tjin-Kam-Jet; Dolf Trieschnigg; Djoerd Hiemstra (FQAS, 2013)

Empirical Co-occurrence Rate Networks for Sequence Labeling. - Zhemin Zhu; Djoerd Hiemstra; Peter M. G. Apers; Andreas Wombacher (ICMLA (1), 2013)

Vertical selection in the information domain of children. - Sergio Duarte Torres; Djoerd Hiemstra; Theo W. C. Huibers (JCDL, 2013)

An API-based Search System for One Click Access to Information. - Dan Ionita; Niek Tax; Djoerd Hiemstra (NTCIR, 2013)

UT-DB: An Experimental Study on Sentiment Analysis in Twitter. - Zhemin Zhu; Djoerd Hiemstra; Peter M. G. Apers; Andreas Wombacher (SemEval@NAACL-HLT, 2013)

Taily: shard selection using the tail of score distributions. - Robin Aly; Djoerd Hiemstra; Thomas Demeester (SIGIR, 2013)

SearchResultFinder: federated search made easy. - Dolf Trieschnigg; Kien-Tsoi T. E. Tjin-Kam-Jet; Djoerd Hiemstra (SIGIR, 2013)

Mirex and Taily at TREC 2013. - Robin Aly; Djoerd Hiemstra; Dolf Trieschnigg; Thomas Demeester (TREC, 2013)

Overview of the TREC 2013 Federated Web Search Track. - Thomas Demeester; Dolf Trieschnigg; Dong Nguyen 002; Djoerd Hiemstra (TREC, 2013)

Deep web entity monitoring. - Mohammadreza Khelghati; Djoerd Hiemstra; Maurice van Keulen (WWW (Companion Volume), 2013)

The uncertain representation ranking framework for concept-based video retrieval. - Robin Aly; Aiden R. Doherty; Djoerd Hiemstra; Franciska de Jong; Alan F. Smeaton (Inf. Retr., 2013)

Aligning Vertical Collection Relevance with User Intent. - Ke Zhou 003; Thomas Demeester; Dong Nguyen 002; Djoerd Hiemstra; Dolf Trieschnigg (CIKM, 2014)

Comparison of local and global undirected graphical models. - Zhemin Zhu; Djoerd Hiemstra; Peter M. G. Apers; Andreas Wombacher (ESANN, 2014)

Designing a General Deep Web Harvester by Harvestability Factor. - Mohammadreza Khelghati; Maurice van Keulen; Djoerd Hiemstra (SDSW@ISWC, 2014)

Linear Co-occurrence Rate Networks (L-CRNs) for Sequence Labeling. - Zhemin Zhu; Djoerd Hiemstra; Peter M. G. Apers (SLSP, 2014)

Overview of the TREC 2014 Federated Web Search Track. - Thomas Demeester; Dolf Trieschnigg; Dong Nguyen 002; Djoerd Hiemstra; Ke Zhou 003 (TREC, 2014)

Two selfless contributions to web search evaluation. - Djoerd Hiemstra; Robin Aly (TREC, 2014)

Exploiting user disagreement for web search evaluation: an experimental approach. - Thomas Demeester; Robin Aly; Djoerd Hiemstra; Dong Nguyen 002; Dolf Trieschnigg; Chris Develder (WSDM, 2014)

Expert group formation using facility location analysis. - Mahmood Neshati; Hamid Beigy; Djoerd Hiemstra (Inf. Process. Manag., 2014)

Query recommendation in the information domain of children. - Sergio Duarte Torres; Djoerd Hiemstra; Ingmar Weber; Pavel Serdyukov (J. Assoc. Inf. Sci. Technol., 2014)

Analysis of Search and Browsing Behavior of Young Users on the Web. - Sergio Duarte Torres; Ingmar Weber; Djoerd Hiemstra (ACM Trans. Web, 2014)

Integration of scientific and social networks. - Mahmood Neshati; Djoerd Hiemstra; Ehsaneddin Asgari; Hamid Beigy (World Wide Web, 2014)

On the Impact of Twitter-based Health Campaigns: A Cross-Country Analysis of Movember. - Nugroho Dwi Prasetyo; Claudia Hauff; Dong Nguyen 002; Tijs A. van den Broek; Djoerd Hiemstra (Louhi@EMNLP, 2015)

#SupportTheCause: Identifying Motivations to Participate in Online Health Campaigns. - Dong Nguyen 002; Tijs A. van den Broek; Claudia Hauff; Djoerd Hiemstra; Michel L. Ehrenhard (EMNLP, 2015)

Towards complete coverage in focused web harvesting. - Mohammadreza Khelghati; Djoerd Hiemstra; Maurice van Keulen (iiWAS, 2015)

Harvesting All Matching Information To A Given Query From a Deep Website. - Mohammadreza Khelghati; Djoerd Hiemstra; Maurice van Keulen (KDWeb, 2015)

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 (SIGIR, 2015)

HIA'15: Heterogeneous Information Access Workshop at WSDM 2015. - Ke Zhou 003; Roger Jie Luo; Djoerd Hiemstra; Joemon M. Jose (WSDM, 2015)

FedWeb Greatest Hits: Presenting the New Test Collection for Federated Web Search. - Thomas Demeester; Dolf Trieschnigg; Dong Nguyen 002; Djoerd Hiemstra; Ke Zhou 003 (WWW (Companion Volume), 2015)

Determine the User Country of a Tweet. - Han van der Veen; Djoerd Hiemstra; Tijs A. van den Broek; Michel L. Ehrenhard; Ariana Need (CoRR, 2015)

A cross-benchmark comparison of 87 learning to rank methods. - Niek Tax; Sander Bockting; Djoerd Hiemstra (Inf. Process. Manag., 2015)

#WhoAmI in 160 Characters? Classifying Social Identities Based on Twitter Profile Descriptions. - Anna Priante; Djoerd Hiemstra; Tijs A. van den Broek; Aaqib Saeed; Michel L. Ehrenhard; Ariana Need (NLP+CSS@EMNLP, 2016)

Luhn Revisited: Significant Words Language Models. - Mostafa Dehghani 001; Hosein Azarbonyad; Jaap Kamps; Djoerd Hiemstra; Maarten Marx (CIKM, 2016)

Efficient web harvesting strategies for monitoring deep web content. - Mohammadreza Khelghati; Djoerd Hiemstra; Maurice van Keulen (iiWAS, 2016)

Beyond Movie Recommendations: Solving the Continuous Cold Start Problem in E-commerceRecommendations. - Julia Kiseleva; Alexander Tuzhilin; Jaap Kamps; Melanie J. I. Müller; Lucas Bernardi; Chad Davis; Ivan Kovacek; Mats Stafseng Einarsen; Djoerd Hiemstra (CoRR, 2016)

Resource Selection for Federated Search on the Web. - Dong Nguyen 002; Thomas Demeester; Dolf Trieschnigg; Djoerd Hiemstra (CoRR, 2016)

Predicting relevance based on assessor disagreement: analysis and practical applications for search evaluation. - Thomas Demeester; Robin Aly; Djoerd Hiemstra; Dong Nguyen 002; Chris Develder (Inf. Retr. J., 2016)

Evaluation and analysis of term scoring methods for term extraction. - Suzan Verberne; Maya Sappelli; Djoerd Hiemstra; Wessel Kraaij (Inf. Retr. J., 2016)

MTCB: A Multi-Tenant Customizable database Benchmark. - Wim van der Zijden; Djoerd Hiemstra; Maurice van Keulen (ICIME, 2017)

Ranking Learning-to-Rank Methods. - Djoerd Hiemstra; Niek Tax; Sander Bockting (LEARNER@ICTIR, 2017)

Exploring the Query Halo Effect in Site Search: Leading People to Longer Queries. - Djoerd Hiemstra; Claudia Hauff; Leif Azzopardi (SIGIR, 2017)

Supporting the Exploration of Online Cultural Heritage Collections: The Case of the Dutch Folktale Database. - Iwe Everhardus Christiaan Muiser; Mariët Theune; Ruud de Jong; Nigel Smink; Dolf Trieschnigg; Djoerd Hiemstra; Theo Meder (Digit. Humanit. Q., 2017)

Overview of Special Issue. - James Allan; Nicholas J. Belkin; Paul N. Bennett; Jamie Callan; Charles L. A. Clarke; Fernando Diaz 001; Susan T. Dumais; Nicola Ferro 001; Donna Harman; Djoerd Hiemstra; Ian Ruthven; Tetsuya Sakai; et al. (SIGIR Forum, 2017)

Recommending Users: Whom to Follow on Federated Social Networks. - Jan Trienes; Andrés Torres Cano; Djoerd Hiemstra (CoRR, 2018)

Language Models. - Djoerd Hiemstra (Encyclopedia of Database Systems (2nd ed.), 2018)

N-Gram Models. - Djoerd Hiemstra (Encyclopedia of Database Systems (2nd ed.), 2018)

Probability Smoothing. - Djoerd Hiemstra (Encyclopedia of Database Systems (2nd ed.), 2018)

Structured Text Retrieval Models. - Djoerd Hiemstra; Ricardo Baeza-Yates (Encyclopedia of Database Systems (2nd ed.), 2018)

Predicting Semantic Labels of Text Regions in Heterogeneous Document Images. - Somtochukwu Enendu; Johannes C. Scholtes; Jeroen Smeets; Djoerd Hiemstra; Mariët Theune (KONVENS, 2019)

The Recent Applications of Machine Learning in Rail Track Maintenance: A Survey. - Muhammad Chenariyan Nakhaee; Djoerd Hiemstra; Mariëlle Stoelinga; Martijn van Noort (RSSRail, 2019)

The influence of network structure and prosocial cultural norms on charitable giving: A multilevel analysis of Movember's fundraising campaigns in 24 countries. - Tijs A. van den Broek; Ariana Need; Michel L. Ehrenhard; Anna Priante; Djoerd Hiemstra (Soc. Networks, 2019)

Comparing Rule-based, Feature-based and Deep Neural Methods for De-identification of Dutch Medical Records. - Jan Trienes; Dolf Trieschnigg; Christin Seifert; Djoerd Hiemstra (HSDM@WSDM, 2020)

Reducing Misinformation in Query Autocompletions. - Djoerd Hiemstra (CoRR, 2020)

Exploring task-based query expansion at the TREC-COVID track. - Thomas Schoegje; Chris Kamphuis; Koen Dercksen; Djoerd Hiemstra; Toine Pieters; Arjen P. de Vries (CoRR, 2020)

Transitioning the information retrieval literature to a fully open access model. - Djoerd Hiemstra; Marie-Francine Moens; Raffaele Perego 001; Fabrizio Sebastiani 001 (SIGIR Forum, 2020)

BERT meets Cranfield: Uncovering the Properties of Full Ranking on Fully Labeled Data. - Negin Ghasemi; Djoerd Hiemstra (EACL (Student Research Workshop), 2021)

Session details: Session 2A - Ranking (2). - Djoerd Hiemstra (ICTIR, 2021)

BERT for Target Apps Selection: Analyzing the Diversity and Performance of BERT in Unified Mobile Search. - Negin Ghasemi; Mohammad Aliannejadi; Djoerd Hiemstra (CoRR, 2021)

Report on the ECIR 2021 discussion panel on open access. - Djoerd Hiemstra (SIGIR Forum, 2021)

Guest editorial: special issue on ECIR 2021. - Djoerd Hiemstra; Marie-Francine Moens (Inf. Retr. J., 2022)

Was Fairness in IR Discussed by Cooper and Robertson in the 1970's? - Djoerd Hiemstra (SIGIR Forum, 2022)

UNFair: Search Engine Manipulation, Undetectable by Amortized Inequity. - Tim De Jonge; Djoerd Hiemstra (FAccT, 2023)

Towards a Generic Model for Classifying Software into Correctness Levels and its Application to SQL. - Benard Wanjiru; Patrick van Bommel; Djoerd Hiemstra (SEENG, 2023)

Cross-Market Product-Related Question Answering. - Negin Ghasemi; Mohammad Aliannejadi; Hamed R. Bonab; Evangelos Kanoulas; Arjen P. de Vries; James Allan; Djoerd Hiemstra (SIGIR, 2023)

Lucene CIFF Importer. - Gijs Hendriksen; Djoerd Hiemstra; Arjen P. de Vries (Zenodo, 2023)

Team OpenWebSearch at CLEF 2024: LongEval. - Daria Alexander; Maik Fröbe; Gijs Hendriksen; Ferdinand Schlatt; Matthias Hagen; Djoerd Hiemstra; Martin Potthast; Arjen P. de Vries (CLEF (Working Notes), 2024)

The First International Workshop on Open Web Search (WOWS). - Sheikh Mastura Farzana; Maik Fröbe; Michael Granitzer; Gijs Hendriksen; Djoerd Hiemstra; Martin Potthast; Saber Zerhoudi (ECIR (5), 2024)

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 001 (ECIR (5), 2024)

Weighted AUReC: Handling Skew in Shard Map Quality Estimation for Selective Search. - Gijs Hendriksen; Djoerd Hiemstra; Arjen P. de Vries (ECIR (4), 2024)

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; et al. (J. Assoc. Inf. Sci. Technol., 2024)

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)

Lucene CIFF Importer. - Gijs Hendriksen; Djoerd Hiemstra; Arjen P. de Vries (Zenodo, 2024)

Selective Search as a First-Stage Retriever. - Gijs Hendriksen; Djoerd Hiemstra; Arjen P. de Vries (CLEF, 2025)

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 (ECIR (5), 2025)

Efficient Session Retrieval Using Topical Index Shards. - Gijs Hendriksen; Djoerd Hiemstra; Arjen P. de Vries (ECIR (2), 2025)

Score-Fitted Indexes and Constant Length Indexes for Information Retrieval. - Djoerd Hiemstra (SIGIR, 2025)

Editorial. - Djoerd Hiemstra; Ismail Sengor Altingovde; Solomon Atnafu; Daniela Godoy; Ben He; Makoto P. Kato; Shangsong Liang; Haiming Liu 002; Vanessa Murdock 001; Monica Lestari Paramita; Barbara Poblete; Negin Rahimi; et al. (Inf. Retr. Res. J., 2025)