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    發布時間:2019-07-10  點擊數:

    主題:Pair-Linking for Collective Entity Disambiguation

    主講人:SUN Aixin (孫愛欣),Associate Professor, School of Computer Science and Engineering, Nanyang Technological University (NTU), Singapore





    Dr. SUN Aixin (孫愛欣) is an Associate Professor and Assistant Chair (Admissions and Outreach) with School of Computer Science and Engineering, Nanyang Technological University (NTU), Singapore. He received B.A.Sc (1st class honours) and Ph.D. both in Computer Engineering from the same school in 2001 and 2004 respectively. Aixin's research areas include Information Retrieval, Text Mining, Social Computing, and Digital Libraries. Aixin is a member of editorial board for JASIST, member of editorial board for Information Retrieval Journal, and an associate editor for Neurocomputing. He has been a PC member of many major conferences such as SIGIR, WSDM, and WWW.



    Mentions of named entities such as people, places, and organizations are commonplace in documents. However, these mentions are usually ambiguous: the same entity may be mentioned in different surface forms, and the same surface form may refer to different named entities. Collective entity disambiguation or collective entity linking aims to jointly resolve multiple mentions by linking them to their associated entities in a knowledge base. Previous works are primarily based on the underlying assumption that entities within the same document are highly related. We challenge this assumption and propose Pair-Linking, a novel iterative solution for collective entity disambiguation. Instead of considering all the given mentions, Pair-Linking iteratively selects a pair with the highest confidence at each step for decision making.