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Andrew McCallum is a professor and researcher in the computer science department at University of Massachusetts Amherst. His primary specialties are in machine learning, natural language processing, information extraction, information integration, and social network analysis.〔(【引用サイトリンク】title=Elected AAAI Fellows )〕 McCallum graduated summa cum laude from Dartmouth College in 1989. He completed his Ph.D. at University of Rochester in 1995 under the supervision of Dana H. Ballard. He was then a postdoctoral fellow, working with Sebastian Thrun and Tom M. Mitchell at Carnegie Mellon University. From 1998 to 2000 he was a Research Scientist and Research Coordinator at Justsystem Pittsburgh Research Center. From 2000 to 2002 was Vice President of Research and Development at WhizBang Labs, and Director of its Pittsburgh office.〔 In 2009 he was elected a fellow of the Association for the Advancement of Artificial Intelligence.〔http://www.aaai.org/Awards/fellows.php〕 He is now the president-elect of International Machine Learning Society (IMLS), which supports the International Conference on Machine Learning. ==Main contributions== In collaboration with John Lafferty and Fernando Pereira, McCallum developed conditional random fields, first described in a paper presented at the International Conference on Machine Learning (ICML). In 2011 this research paper won the ICML "Test of Time" (10 year best paper) award. McCallum has written several widely used〔(【引用サイトリンク】title=Google Scholar search for +mccallum +rainbow +software )〕 open-source software toolkits for machine learning, natural language processing and other text processing, including Rainbow, Mallet (software project), and FACTORIE.〔(【引用サイトリンク】 title=FACTORIE )〕 In addition, he was instrumental in publishing the Enron Corpus, a large collection of emails that has been used as a basis for a number of academic studies of social networking and language. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Andrew McCallum」の詳細全文を読む スポンサード リンク
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