Academic Work

Academic work by Börkur Sigurbjörnsson. Börkur received his PhD from the Informatics Institute at the University of Amsterdam, moved on to Yahoo! Research in Barcelona, before emerging himself in the startup scene.

Publications | Research projects | Research Prototypes

Understanding and leveraging tag-based relations in on-line social networks

June 27, 2012

Marek Lipczak, Börkur Sigurbjörnsson, Alejandro Jaimes. Understanding and leveraging tag-based relations in on-line social networks. In: Proceedings of the 23rd ACM conference on Hypertext and social media (HT’12). 2012.
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Photo tagging

May 20, 2011

While at Yahoo! Research I was involved in various projects on analyzing, extending and utilizing tagging of Flickr photos. We analyzed what type of tags users applied to their photos and devised a method for classifying those tags into semantic categories. We developed two prototypes, one for tag recommendation and and one for tag based…
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Fannr: Flickr Annotator

January 25, 2011

Fannr – Flickr Annotator – was a prototype application for assisting users in annotating their Flickr photos. Two types of annotation support is provided when annotating a single photo: tag recommendation and location recommendation.
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Ranking Entity Facets based on User Click Feedback

September 19, 2010

Roelof van Zwol, Lluis Garcia Pueyo, Mridul Muralidharan, Börkur Sigurbjörnsson. Ranking Entity Facets based on User Click Feedback. In: Fourth IEEE International Conference on Semantic Computing (ICSC 2010). 2010.
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TagExplorer: Faceted Browsing of Flickr Photos

August 20, 2010

Börkur Sigurbjörnsson and Roelof van Zwol. TagExplorer: Faceted Browsing of Flickr Photos. Yahoo! Labs Technical Report (YL-2010-005). 2010.
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Machine learned ranking of entity facets

July 25, 2010

Roelof van Zwol, Lluis Garcia Pueyo, Mridul Muralidharan, Börkur Sigurbjörnsson. Machine learned ranking of entity facets In: Proceeding of the 33rd international ACM SIGIR conference on Research and development in information retrieval. 2010. (short paper)
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Collective Intelligence in Mobile Consumer Social Applications

June 15, 2010

Sotiris Diplaris, Ioannis Kompatsiaris, Ana Flores, Manuel Escriche, Börkur Sigurbjörnsson, Lluis Garcia Pueyo, Roelof van Zwol. Collective Intelligence in Mobile Consumer Social Applications In: Proceedings of the 2010 Ninth International Conference on Mobile Business / 2010 Ninth Global Mobility Roundtable. 2010.
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Improving Tag Recommendation Using Social Networks

May 6, 2010

Adam Rae, Roelof van Zwol, and Börkur Sigurbjörnsson. Improving Tag Recommendation Using Social Networks In: RIAO’2010 : Recherche d’Information Assistée par Ordinateur / Adaptativity, Personalization and Fusion of Heterogeneous Information. 2010.
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Faceted exploration of image search results

May 6, 2010

Roelof van Zwol, Börkur Sigurbjörnsson, Ramu Adapala, Lluis Garcia Pueyo, Abhinav Katiyar, Kaushal Kurapati, Mridul Muralidharan, Sudar Muthu, Vanessa Murdock, Polly Ng, Anand Ramani, Anuj Sahai, Sriram Thiru Sathish, Hari Vasudev, and Upendra Vuyyuru. Faceted exploration of image search results In: WWW ’10: Proceedings of the 19th international conference on World wide web. 2010.
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Compressing tags to find interesting media groups

November 21, 2009

Matthijs van Leeuwen, Francesco Bonchi, Börkur Sigurbjörnsson, and Arno Siebes. Compressing tags to find interesting media groups In: Proceeding of the 18th ACM conference on Information and knowledge management (CIKM 2009). 2009.
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