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Martin F. Porter is the inventor of the Porter Stemmer,〔(Porter Stemming Algorithm )〕 one of the most common algorithms for stemming English,〔(Christopher D. Manning, Prabhakar Raghavan and Hinrich Schütze (2008). ''Introduction to Information Retrieval''. Cambridge University Press ).〕〔Daniel Jurafsky and James H. Martin (2009). ''Speech and Language Processing''. Pearson, p. 102.〕 and the Snowball programming framework. His 1980 paper "An algorithm for suffix stripping", proposing the stemming algorithm, has been cited over 5000 times (Google Scholar)〔(Articles ) at Google Scholar, accessed 2012-02-09.〕 The Muscat search engine comes from research performed by Porter at the University of Cambridge and was commercialized in 1984 by Cambridge CD Publishing; it was subsequently sold to MAID which became the Dialog Corporation. In 2000 he was awarded the Tony Kent Strix award.〔(UKeiIG Tony Kent Strix Award ) (Accessed Feb 2012)〕 Porter read mathematics at St John’s College, Cambridge (1963–66) and went to get a Diploma in Computer Science (1967) and a PhD. at Cambridge Computer Laboratory. He worked at the University of Leeds for a year before returning to Cambridge's ''Literary and Linguistic Computing Centre'' (1971-1974) and at the Sedgwick Museum as a programmer (1974-1976). In 1977, he became the Director of the Museum Documentation Advisory Unit (MDA).〔 ''Museum'', Vol XXX, n° 3/4, 1978, ''Museums and Computers'' p.224〕 Martin Porter is co-founder of the contextual targeting and content recommendation company Grapeshot.〔(Grapeshot ) (Accessed Oct 2012)〕 == References == 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「Martin Porter」の詳細全文を読む スポンサード リンク
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