The Importance of Morphological Normalization for XML Retrieval. - Jaap Kamps; Maarten Marx; Maarten de Rijke; Börkur Sigurbjörnsson (INEX Workshop, 2002)

Language-Dependent and Language-Independent Approaches to Cross-Lingual Text Retrieval. - Jaap Kamps; Christof Monz; Maarten de Rijke; Börkur Sigurbjörnsson (CLEF, 2003)

The University of Amsterdam at CLEF 2003. - Jaap Kamps; Christof Monz; Maarten de Rijke; Börkur Sigurbjörnsson (CLEF (Working Notes), 2003)

An Element-based Approach to XML Retrieval. - Börkur Sigurbjörnsson; Jaap Kamps; Maarten de Rijke (INEX, 2003)

Queries: INEX 2003 working group report. - Börkur Sigurbjörnsson; Andrew Trotman (INEX, 2003)

XML retrieval: what to retrieve? - Jaap Kamps; Maarten Marx; Maarten de Rijke; Börkur Sigurbjörnsson (SIGIR, 2003)

Approaches to Robust and Web Retrieval. - Jaap Kamps; Christof Monz; Maarten de Rijke; Börkur Sigurbjörnsson (TREC, 2003)

Processing content-oriented XPath queries. - Börkur Sigurbjörnsson; Jaap Kamps; Maarten de Rijke (CIKM, 2004)

Mixture Models, Overlap, and Structural Hints in XML Element Retrieval. - Börkur Sigurbjörnsson; Jaap Kamps; Maarten de Rijke (INEX, 2004)

Narrowed Extended XPath I (NEXI). - Andrew Trotman; Börkur Sigurbjörnsson (INEX, 2004)

NEXI, Now and Next. - Andrew Trotman; Börkur Sigurbjörnsson (INEX, 2004)

Length normalization in XML retrieval. - Jaap Kamps; Maarten de Rijke; Börkur Sigurbjörnsson (SIGIR, 2004)

Multiple sources of evidence for XML retrieval. - Börkur Sigurbjörnsson; Jaap Kamps; Maarten de Rijke (SIGIR, 2004)

Processing Content-And-Structure Queries for XML Retrieval. - Börkur Sigurbjörnsson; Jaap Kamps; Maarten de Rijke (TDM, 2004)

Best-Match Querying from Document-Centric XML. - Jaap Kamps; Maarten Marx; Maarten de Rijke; Börkur Sigurbjörnsson (WebDB, 2004)

Language Modeling for Information Retrieval. - Börkur Sigurbjörnsson (J. Log. Lang. Inf., 2004)

Structured queries in XML retrieval. - Jaap Kamps; Maarten Marx; Maarten de Rijke; Börkur Sigurbjörnsson (CIKM, 2005)

Combination Methods for Crosslingual Web Retrieval. - Jaap Kamps; Maarten de Rijke; Börkur Sigurbjörnsson (CLEF, 2005)

The University of Amsterdam at WebCLEF 2005. - Jaap Kamps; Maarten de Rijke; Börkur Sigurbjörnsson (CLEF (Working Notes), 2005)

EuroGOV: Engineering a Multilingual Web Corpus. - Börkur Sigurbjörnsson; Jaap Kamps; Maarten de Rijke (CLEF, 2005)

Overview of WebCLEF 2005. - Börkur Sigurbjörnsson; Jaap Kamps; Maarten de Rijke (CLEF (Working Notes), 2005)

What Do Users Think of an XML Element Retrieval System? - Jaap Kamps; Börkur Sigurbjörnsson (INEX, 2005)

The Effect of Structured Queries and Selective Indexing on XML Retrieval. - Börkur Sigurbjörnsson; Jaap Kamps (INEX, 2005)

The Importance of Length Normalization for XML Retrieval. - Jaap Kamps; Maarten de Rijke; Börkur Sigurbjörnsson (Inf. Retr., 2005)

Blueprint of a Cross-Lingual Web Retrieval Collection. - Börkur Sigurbjörnsson; Jaap Kamps; Maarten de Rijke (J. Digit. Inf. Manag., 2005)

Focused information access using XML element retrieval. - Börkur Sigurbjörnsson (Universiteit Amsterdam, 2006)

Filtering and Clustering XML Retrieval Results. - Jaap Kamps; Marijn Koolen; Börkur Sigurbjörnsson (INEX, 2006)

Articulating information needs in XML query languages. - Jaap Kamps; Maarten Marx; Maarten de Rijke; Börkur Sigurbjörnsson (ACM Trans. Inf. Syst., 2006)

Flickr tag recommendation based on collective knowledge. - Börkur Sigurbjörnsson; Roelof van Zwol (WWW, 2008)

Compressing tags to find interesting media groups. - Matthijs van Leeuwen; Francesco Bonchi; Börkur Sigurbjörnsson; Arno Siebes (CIKM, 2009)

Classifying tags using open content resources. - Simon E. Overell; Börkur Sigurbjörnsson; Roelof van Zwol (WSDM, 2009)

Improving tag recommendation using social networks. - Adam Rae; Börkur Sigurbjörnsson; Roelof van Zwol (RIAO, 2010)

Ranking Entity Facets Based on User Click Feedback. - Roelof van Zwol; Lluis Garcia Pueyo; Mridul Muralidharan; Börkur Sigurbjörnsson (ICSC, 2010)

Machine learned ranking of entity facets. - Roelof van Zwol; Lluis Garcia Pueyo; Mridul Muralidharan; Börkur Sigurbjörnsson (SIGIR, 2010)

Faceted exploration of image search results. - Roelof van Zwol; Börkur Sigurbjörnsson; Ramu Adapala; Lluis Garcia Pueyo; Abhinav Katiyar; Kaushal Kurapati; Mridul Muralidharan; Sudar Muthu; Vanessa Murdock 001; Polly Ng; Anand Ramani; Anuj Sahai; et al. (WWW, 2010)

Understanding and leveraging tag-based relations in on-line social networks. - Marek Lipczak; Börkur Sigurbjörnsson; Alejandro Jaimes (HT, 2012)