This WWW2013 Workshop focuses on new approaches to using structured data for improving Web search. Most Web documents and queries are about entities and the relationships between them, i.e., structured data with documented semantics. However, popular search engines have historically ignored structured data, instead relying on techniques that model the document and queries as a bag of words. Recent developments, most notably the dramatic increase in the use of structured data markup on web pages have lead to substantial interest from mainstream search engines. However, we are still in the very early stages in the evolution of how search engines use this structured data. Most of the current work is focussed on searching databases of facts about entities and presenting them either alongside the search results, or on annotating search results with additional data. The core problems of utilizing knowledge about entities for improving the ranking of documents, helping set the user context, etc. are still largely unexplored territories.

While the use of structured data is still limited in Web search engines, active research in this direction can be observed in many communities. Most notably, there is a broad range of solutions proposed by IR, database, and Semantic Web researchers for exploiting structured data for various search tasks. The goal of this Workshop is to bring these communities together to focus on the central question of how to make these solutions applicable to Web search engines. The central theme of the workshop is to explore new and novel ways for exploiting explicit representations of entities and the relationships between them to improve Web search.

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February 23rd 2013: Workshop paper deadline
March 13th 2013: Workshop paper notifications
April 2nd 2013: Workshop paper final copy
WWW2013 Conference: May 13-17th 2013, Rio de Janeiro, Brazil
Workshop day: May 13th 2013.

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