Börkur Sigurbjörnsson

image exploration

  • Photo tagging

    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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  • Ranking Entity Facets based on User Click Feedback

    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

    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

    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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  • 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, 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

    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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  • Point of Interest Exploration with Yahoo! Image Search

    One of my most fruitful project while working at Yahoo! Research was a collaboration with the Yahoo! Image Search team. We built system for extracting and ranking points of interest for towns, countries and regions. The points of interest were extracted from Wikipedia, Yahoo! GeoPlanet and Yahoo! Travel. The ranking was based on co-occurrence statistics…

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  • TagExplorer

    The TagExplorer was prototype that I made while at Yahoo! Research in Barcelona. The TagExplorer enabled browsing Flickr photos using semantically organized tag clouds. The prototype combined two research projects that I was working on at the time, tag recommendation and tag classification (see references below). For example, if the user typed in London, they…

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