PPT-Expertise Finding for Question Answering (QA) Services

October 16 2014 Department of Knowledge Service Engineering Prof JaeGil Lee Brief Bio Currently an associate professor at Department of Knowledge Service Engineering KAIST Homepage httpdmkaistackrjaegil. iaaccn Abstract Community question answering cQA which pro vides a platform for people with diverse back ground to share information and knowledge has become an increasingly popular research topic In this paper we focus on the task of question re tri What is Question Answering?. 2. Question Answering. One of the oldest NLP tasks (punched card systems in 1961). Simmons, Klein, . McConlogue. . 1964. Indexing and Dependency Logic for Answering English Questions. American Documentation 15:30, 196-204. via . Semantic Enrichment. Huan Sun. *. , . Hao. Ma. #. Scott Wen-tau Yih. #. , Chen-Tse Tsai. . , . Jingjing. Liu. #. , Ming-Wei Chang. #. *. University of California, Santa Barbara. #. Microsoft Research, Redmond. Systems & Resources. Ling573. NLP Systems & Applications. April 8, 2010. Roadmap. Two extremes in QA systems:. LCC’s PowerAnswer-2 . Insight’s Patterns…. Question classification (Li & Roth). Shallow & Deep. Techniques for NLP. Ling571. Deep Processing Techniques for NLP. March 9, 2011. Examples from Dan . Jurafsky. ). Roadmap. Question-Answering: . Definitions & Motivation. Basic pipeline:. Patricia A. Alexander. In all affairs it's a healthy thing now and then to hang a question mark on the things you have long taken for granted. . BERTRAND RUSSELL. GOALS. Overview certain assumptions about question asking and question answering. AnswerinG. Deliverable 3 – Question Processing. John Gilmer. Michael Foster. Adam Ledyard. Overview. Question Classification. Question Reformulation. Query Expansion. Results. Related Reading. Question Classification. Overview. Ling573. Systems & Applications. April 4. , 2013. Roadmap. Dimensions of the problem. A (very) brief history. Architecture of a QA system. QA and resources. Evaluation. Challenges. Logistics Check-in. Lin Ma, . Zhengdong. Lu, and Hang Li. Huawei Noah’s Ark Lab, Hong Kong. http://. www.ee.cuhk.edu.hk. /~lma. /. . Mine the relationships between multiple modalities. Association different modalities. Conversational question understanding. Going to be high level…. Queston. Answering at Bing. Microsoft AI and Research – Core Relevance. About Us. Team: Core Relevance. Who: Researchers and engineers. SWBAT . make . inferences about the character by answering a question.. Get the Close Reader turn to page 3 and preview the text.. Make a prediction. What is the story, “Golden Glass” going to be about?. Kai-Wei Chang. CS @ University of Virginia. kw@kwchang.net. Couse webpage: . http://kwchang.net/teaching/NLP16. 1. CS6501-NLP. Question answering. CS6501– Natural Language Processing. 2. credit: ifunny.com. (including a sketch of Information Retrieval. ). Slides adapted from Dan . Jurafsky. , . Jim . Martin and Ed . Hovy. Web-based Question . Answering. Information Retrieval (briefly. ). Today. The notion of getting computers to give reasonable answers to questions has been around for quite awhile. Many Slides from:. Sanda. . Harabagiu. , Tao Yang. Chris Manning, David . Ferrucci. , . Watson . Team, and Paul Fodor. Outline. Question Answering. Types of QA tasks and approaches. Reading-based QA.