SIGIR WORKSHOP REPORT The First International Workshop on Entity-Oriented Search (EOS) Krisztian Balog NTNU, Norway krisztian.balog@idi.ntnu.no Arjen P. de Vries CWI/TU Delft arjen@acm.org Pavel Serdyukov Yandex, Russia pavser@yandex-team.ru Ji-Rong Wen Microsoft Research Asia jrwen@microsoft.com Abstract The First International Workshop on Entity-Oriented Search (EOS) workshop was held on July 28, 2011 in Beijing, China, in conjunction with the 34th Annual International ACM SIGIR Conference (SIGIR 2011). The objective for the workshop was to bring together academic researchers and industry practitioners working on entity-oriented search to discuss tasks and challenges, and to uncover the next frontiers for academic research on the topic. The workshop program accommodated two invited talks, eleven refereed papers divided into three technical paper sessions, and a group discussion. Introduction Many user information needs concern entities: people, organizations, locations, products, etc. These are better answered by returning speci c objects instead of just any type of documents. Both commercial systems and the research community are displaying an increased interest in returning objects, entities, or their properties in response to a user s query. While major search engines are capable of recognizing speci c types of objects (e.g., locations, events, celebrities), true entity search still has
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