PPT-Coreference

Resolution Seminar by Satpreet Arora 07D05003 What is Coreference In linguistics  coreference  occurs when multiple expressions in a sentence or document refer to the same entity. . Centric. . Coreference Resolution with Model Stacking. Kevin Clark and Christopher D. Manning. (ACL-IJCNLP 2015). (Tables are taken from the above-mentioned paper). Presented by Mamoru Komachi. <komachi@tmu.ac.jp>. CSCI-GA.2590. Ralph . Grishman. NYU. Reference Resolution: Objective. Identify all phrases which refer to the same real-word entity. first, within a single document. later, also across multiple documents. Massimo Poesio. Lecture . 7: Anaphora resolution. (. Coreference. ). Anaphora resolution: . the . problem. Anaphora resolution:. coreference chains. Factors . that affect the interpretation of anaphoric expressions. with Knowledge. Haoruo. . Peng. March. . 20,. . 2015. 1. Coreference Problem. 2. Coreference Problem. 3. Online. . Demo. Please. . check. . out. http. ://cogcomp.cs.illinois.edu/page/demo_view/. 1Systemavailableathttp://nlp.cs.berkeley.edubase.Thisisusefulforgroundingproperentities,butintheabsenceofcoreferencegivesanincom-pletepictureofdocumentcontentitself,inthatnom-inalexpressionsandpronoun Pascal Denis. ALPAGE Project Team. INRIA . Rocquencourt. F-78153 Le . Chesnay. , France. Jason . Baldridge. Department of Linguistics. University of Texas at Austin. In Proceedings of EMNLP-2008. 1. Yi-Ting Huang. Xiao Cheng, . Bingling. Chen, . Rajhans. . Samdani. ,. Kai-Wei Chang, . Zhiye. . Fei. . and. Dan Roth. University of Illinois at Urbana-Champaign (UI_CCG). 1. Talk Outline. Introduction. Architecture. Kai-Wei Chang, Rajhans Samdani. , . Alla . Rozovskaya, . Mark Sammons. , and Dan Roth. . Supported . by . ARL, . and by . DARPA, . under the Machine Reading Program. Coreference. Heng. . Ji. jih@rpi.edu. October 4. , 2015. 2. Event Definition. Event Knowledge Networks Construction. Basic Event Extraction Approach. Advanced Event Extraction Approaches. Information Redundancy for Inference. CSCI-GA.2590. Ralph . Grishman. NYU. Reference Resolution: Objective. Identify all phrases which refer to the same real-word entity. first, within a single document. later, also across multiple documents. Ralph . Grishman. NYU. basically a clustering task:. clustering mentions into entities. Types of Referring Expressions. names. nominals. pronouns. Types of ‘. Coreference. ’. Identity. Predication. and Its Impact on Cold-Start KBP. Heng. . Ji. , Joel . Nothman. and . Hoa. . Trang. Dang. jih@rpi.edu. Thanks to KBP2016 Organizing Committee. . Goals and The Task. Discourse Analysis Abhijit Mishra (114056002) Samir Janardan Sohoni (114086001) A statistical approach to coreference resolution of noun phrases What is 'Discourse'? ”A mode of organizing knowledge, ideas or experience that is rooted in language and its concrete contexts” - Meriam Webster Dictionary Determining who is who and what is what. Harvard IACS. Chris Tanner. 2. COREFERENCE. RESOLUTIONARY. “You would rather have a Lexus or justice? A dream or some substance? A . Bimmer. , a necklace, or freedom?.