2009
Simon Overell, Börkur Sigurbjörnsson, and Roelof van Zwol. Classifying Tags using Open Content Resources. In: Proceedings of the Second ACM International Conference on Web Search and Data Mining (WSDM 2009). 2009. [abstract/bibtex] [acm]
2008
Börkur Sigurbjörnsson, and Roelof van Zwol. Flickr Tag Recommendation based on Collective Knowledge. In: Proceedings of the 17th International World Wide Web Conference (WWW'08). Pages: 327-336. 2008. [abstract/bibtex] [acm]
2007
Jaap Kamps, Marijn Koolen, and Börkur Sigurbjörnsson. Filtering and Clustering XML Retrieval Results. In: Comparative Evaluation of XML Information Retrieval Systems. Lecture Notes in Computer Science. Volume: 4518. Pages: 121-136. 2007. [abstract/bibtex] [springerlink]
2006
Börkur Sigurbjörnsson. Focused Information Access using XML Element Retrieval. University of Amsterdam. SIKS Dissertation Series (nr. 2006-28). 2006. [abstract/bibtex] [pdf]
Jaap Kamps, Maarten Marx, Maarten de Rijke, and Börkur Sigurbjörnsson. Articulating Information Needs in XML Query Languages. In: ACM Transactions on Information Systems. Volume: 24. Number: 4. Pages: 407-436. 2006. [abstract/bibtex] [acm]
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. Overview of WebCLEF 2005. In: Accessing Multilingual Information Repositories: 6th Workshop of the Cross-Language Evaluation Forum, CLEF 2005. Lecture Notes in Computer Science. Volume: 4022. Pages: 810-824. 2006. [abstract/bibtex] [springerlink]
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. EuroGOV: Engineering a Multilingual Web Corpus. In: Accessing Multilingual Information Repositories: 6th Workshop of the Cross-Language Evaluation Forum, CLEF 2005. Lecture Notes in Computer Science. Volume: 4022. Pages: 825-836. 2006. [abstract/bibtex] [springerlink]
Jaap Kamps, Maarten de Rijke, and Börkur Sigurbjörnsson. Combination Methods for Crosslingual Web Retrieval. In: Accessing Multilingual Information Repositories: 6th Workshop of the Cross-Language Evaluation Forum, CLEF 2005. Lecture Notes in Computer Science. Volume: 4022. Pages: 856-864. 2006. [abstract/bibtex] [springerlink]
Börkur Sigurbjörnsson, and Jaap Kamps. The Effect of Structured Queries and Selective Indexing on XML Retrieval. In: Advances in XML Information Retrieval and Evaluation: Fourth Workshop of the INitiative for the Evaluation of XML Retrieval (INEX 2005). Lecture Notes in Computer Science. Volume: 3977. Pages: 104-118. 2006. [abstract/bibtex] [springerlink]
Jaap Kamps, and Börkur Sigurbjörnsson. What do Users Think of an XML Element Retrieval System?. In: Advances in XML Information Retrieval and Evaluation: Fourth Workshop of the INitiative for the Evaluation of XML Retrieval (INEX 2005). Lecture Notes in Computer Science. Volume: 3977. Pages: 411-421. 2006. [abstract/bibtex] [spingerlink]
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. Focused Access to Wikipedia. In: 6th Dutch-Belgian Information Retrieval Workshop (DIR 2006). Pages: 73-80. 2006. [abstract/bibtex] [pdf]
2005
Jaap Kamps, Maarten Marx, Maarten de Rijke, and Börkur Sigurbjörnsson. Structured Queries in XML Retrieval. In: Proceedings of the Fourteenth ACM Conference on Information and Knowledge Management (CIKM 2005). Pages: 4-11. 2005. [acm]
Börkur Sigurbjörnsson. Focused Information Retrieval from Semi-structured Documents (abstract). In: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, (SIGIR 2005). 2005.
Jaap Kamps, Maarten Marx, Maarten de Rijke, and Börkur Sigurbjörnsson. Understanding Content-and-Structure. In: Proceedings of the INEX 2005 Workshop on Element Retrieval Methodology. Pages: 14-21. 2005.
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. Mixture Models, Overlap and Structural Hints in XML Element Retrieval. In: Advances in XML Information Retrieval: Third International Workshop of the Initiative for the Evaluation of XML Retrieval, INEX 2004, Dagstuhl Castle, Germany, December 6-8, 2004, Revised Selected Papers. Springer. Lecture Notes in Computer Science. Volume: 3493. Pages: 196-210. 2005. [springerlink]
Andrew Trotman, and Börkur Sigurbjörnsson. NEXI, Now and Next. In: Advances in XML Information Retrieval: Third International Workshop of the Initiative for the Evaluation of XML Retrieval, INEX 2004, Dagstuhl Castle, Germany, December 6-8, 2004, Revised Selected Papers. Springer. Lecture Notes in Computer Science. Volume: 3493. Pages: 41-53. 2005. [springerlink]
Andrew Trotman, and Börkur Sigurbjörnsson. Narrowed Extended XPath I (NEXI). In: Advances in XML Information Retrieval: Third International Workshop of the Initiative for the Evaluation of XML Retrieval, INEX 2004, Dagstuhl Castle, Germany, December 6-8, 2004, Revised Selected Papers. Springer. Lecture Notes in Computer Science. Volume: 3493. Pages: 16-40. 2005. [springerlink]
Jaap Kamps, Maarten de Rijke, and Börkur Sigurbjörnsson. The Importance of Length Normalization for XML Retrieval. In: Information Retrieval. Volume: 8. Issue: 4. Pages: 631-654. 2005. [springerlink]
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. Blueprint of a Cross-Lingual Web Retrieval Collection. In: Journal of Digital Information Management . Volume: 3. Issue: 1. Pages: 9-13. 2005. Note: Also appeared in the Proceedings of the Fifth Dutch-Belgian Information Retrieval Workshop.
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. Blueprint of a Cross-Lingual Web Retrieval Collection. In: Proceedings of the Fifth Dutch-Belgian Information Retrieval Workshop. Pages: 33-38. 2005. [pdf]
2004
Börkur Sigurbjörnsson. Book Review: Language Modeling for Information Retrieval (eds. W.B. Croft and J. Lafferty). In: Journal of Logic, Language and Information. Volume: 13. Issue: 4. Pages: 531-534. 2004. [springerlink]
Jaap Kamps, Christof Monz, Maarten de Rijke, and Börkur Sigurbjörnsson. Language-dependent and Language-independent Approaches to Cross-Lingual Text Retrieval. In: Comparative Evaluation of Multilingual Information Access Systems, CLEF 2003. Springer. Lecture Notes in Computer Science. Volume: 3237. Pages: 152-165. 2004. [springerlink]
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. Processing Content-Oriented XPath Queries. In: Proceedings of the Thirteenth Conference on Information and Knowledge Management (CIKM 2004). Pages: 371-380. 2004. [acm]
Jaap Kamps, Maarten de Rijke, and Börkur Sigurbjörnsson. Length Normalization in XML Retrieval (Extended Abstract). In: Proceedings of the 16th Belgian-Dutch Conference on Artificial Intelligence (BNAIC 2004). Pages: 369-371. 2004. [pdf]
Jaap Kamps, Christof Monz, Maarten de Rijke, and Börkur Sigurbjörnsson. Approaches to Robust and Web Retrieval. In: Proceedings TREC 2003. Pages: 594-600. 2004. [pdf]
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. Multiple Sources of Evidence for XML Retrieval. In: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, (SIGIR 2004). Pages: 554-555. 2004. [acm]
Jaap Kamps, Maarten de Rijke, and Börkur Sigurbjörnsson. Length Normalization in XML Retrieval. In: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, (SIGIR 2004). Pages: 80-87. 2004. [acm]
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. Processing Content-and-Structure Queries for XML Retrieval. In: Proceedings of the First Twente Data Management Workshop (TDM'04). Pages: 32-38. 2004. [pdf]
Jaap Kamps, Maarten Marx, Maarten de Rijke, and Börkur Sigurbjörnsson. Best-Match Querying for Document-Centric XML. In: Proceedings of the Seventh International Workshop on the Web and Databases (WebDB 2004). Pages: 55-60. 2004. [acm]
Börkur Sigurbjörnsson, and Andrew Trotman. Queries: INEX 2003 working group report. In: INEX 2003 Workshop Proceedings. Pages: 167-170. 2004. [pdf]
Börkur Sigurbjörnsson, Jaap Kamps, and Maarten de Rijke. An Element-Based Approch to XML Retrieval. In: INEX 2003 Workshop Proceedings. Pages: 19-26. 2004. [pdf]
2003
Jaap Kamps, Maarten de Rijke, and Börkur Sigurbjörnsson. Topic Field Selection and Smoothing for XML Retrieval. In: Proceedings of the Fourth Dutch Belgian Information Retrieval Workshop (DIR-2003). Pages: 70-75. 2003. [pdf]
Jaap Kamps, Christof Monz, Maarten de Rijke, and Börkur Sigurbjörnsson. Monolingual Document Retrieval: English versus other European Languages. In: Proceedings of the Fourth Dutch Belgian Information Retrieval Workshop (DIR-2003). Pages: 35-39. 2003. [pdf]
Jaap Kamps, Maarten Marx, Maarten de Rijke, and Börkur Sigurbjörnsson. XML retrieval: What to retrieve?. In: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Pages: 409-410. ACM Press. 2003. [acm]
Jaap Kamps, Maarten Marx, Maarten de Rijke, and Börkur Sigurbjörnsson. The importance of morphological normalization for XML retrieval. In: Proceedings of the First Workshop of the INitiative for the Evaluation of XML retrieval (INEX). Pages: 41-48. ERCIM Publications. 2003. [pdf]
2002
Börkur Sigurbjörnsson. Structural Properties of Questionnaires. ILLC Master of Logic Series. 2002.