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NLTK Bookã§æ•™å¸«ãªã—å½¢æ…‹ç´ è§£æž - nokunoã®æ—¥è¨˜
æ„外ã¨çŸ¥ã‚‰ã‚Œã¦ã„ãªã„よã†ãªã®ã§ã€NLTK Bookã®Segmentationã®ç¯€ã«ã‚る教師ãªã—å½¢æ…‹ç´ è§£æžï¼ˆå˜èªžåˆ†å‰²ï¼‰ã«ã¤ã„ã¦ç´¹ä»‹ã—ã¦ã¿ã¾ã™ã€‚ ã“ã®æ‰‹æ³•ã§ã¯ã€ãƒ†ã‚ストを「å˜èªžã®è¾žæ›¸ã€ã¨ã€Œå˜èªžIDã®åˆ—ã€ã§è¡¨ã—ãŸã¨ãã«ãã®åˆè¨ˆã‚µã‚¤ã‚ºãŒæœ€å°ã«ãªã‚‹ã‚ˆã†ã«å˜èªžåˆ†å‰²ã®ä½ç½®ã‚’最é©åŒ–ã—ã¾ã™ã€‚言ã„æ›ãˆã‚Œã°ã€å˜èªžã®å‡ºç¾ç¢ºçŽ‡ã«ä¸€æ§˜åˆ†å¸ƒã‚’仮定ã—ã¦åœ§ç¸®ã—ãŸã¨ãã«ã€ãã®åœ§ç¸®åŠ¹çŽ‡ã‚’最大ã¨ã™ã‚‹ã‚ˆã†ã«å˜èªžã‚’分割ã—ã¾ã™ã€‚æŒæ©‹ã•ã‚“ã®ç ”究よりã¯ã‚‹ã‹ã«å˜ç´”ãªãƒ¢ãƒ‡ãƒ«ã§ã™ãŒã€åŽŸç†ã¨ã—ã¦ã¯è¿‘ã„ã‚‚ã®ã«ãªã‚Šã¾ã™ã€‚最é©åŒ–ã«ã¯ã‚·ãƒŸãƒ¥ãƒ¬ãƒ¼ãƒ†ãƒƒãƒ‰ã‚¢ãƒ‹ãƒ¼ãƒªãƒ³ã‚°ï¼ˆç„¼ããªã¾ã—法）を使ã£ã¦ã„ã¦ã€é©å½“ã«åˆæœŸåŒ–ã—ã¦ã‹ã‚‰ãƒ©ãƒ³ãƒ€ãƒ ã«å˜èªžåˆ†å‰²ä½ç½®ã‚’変ãˆã¦ã€è©•ä¾¡é–¢æ•°ã«ã‹ã‘ã¦è‰¯ã„çµæžœã«ãªã£ãŸã‚‰æŽ¡ç”¨ã™ã‚‹ã€ã¨ã„ã†æ“作を繰り返ã—è¡Œã†ã‚‚ã®ã§ã™ã€‚ NLTK Bookã§ã¯ã€è‹±èªžã®ãƒ†ã‚ストã‹ã‚‰ã‚¹ãƒšãƒ¼ã‚¹ã‚’å–り除ã„ãŸã‚‚ã®ã‚’用ã„ã¦å˜èªžã‚’抽出ã—ã¦ã„ã¾ã™ã€‚ã“ã‚Œã¯ã‹ãªã‚Šæ£æ„çš„ã«é¸ã°ã‚ŒãŸãƒ†ã‚ストã§ã€
2010-11-13
nltkをインãƒãƒ¼ãƒˆã™ã‚‹ import nltk from nltk.book import * ã‚ã‚‹å˜èªžãŒã©ã®ã‚ˆã†ãªæ–‡è„ˆã§ä½¿ã‚ã‚Œã¦ã„ã‚‹ã‹ text1.concordance("monstrous") ã‚ã‚‹å˜èªžã¨åŒã˜æ–‡è„ˆã§ä½¿ã‚れるå˜èªžã«ã¯ã©ã‚“ãªã‚‚ã®ãŒã‚ã‚‹ã‹ text1.similar("monstrous") ２以上ã®å˜èªžã§å…±é€šã«ä½¿ã‚れる文脈 text2.common_contexts(["monstrous", "very"]) テã‚ストä¸ã®å˜èªžã®å‡ºç¾å›žæ•°ã‚„出ç¾å ´æ‰€ã‚’プãƒãƒƒãƒˆã™ã‚‹ text4.dispersion_plot(["citizens", "democracy", "freedom", "duties", "America"]) テã‚ストã®ã‚¹ã‚¿ã‚¤ãƒ«ã‚’å…ƒã«å‡ºé±ˆç›®ãªãƒ†ã‚ストを生æˆã™ã‚‹ text3.generate() é‡è¤‡ã‚’排除ã™ã‚‹ set(text) é »åº¦åˆ†å¸ƒã‚’å–å¾—ã™ã‚‹ fdis
Python ã«ã‚ˆã‚‹æ—¥æœ¬èªžè‡ªç„¶è¨€èªžå‡¦ç†
ã¯ã˜ã‚ã« ã“ã®æ–‡æ›¸ã¯ã€ Steven Bird, Ewan Klein, Edward Loper è‘— è©åŽŸ æ£äººã€ä¸å±± 敬広ã€æ°´é‡Ž 貴明　訳 『入門 自然言語処ç†ã€ O'Reilly Japan, 2010. ã®ç¬¬12ç« ã€ŒPython ã«ã‚ˆã‚‹æ—¥æœ¬èªžè‡ªç„¶è¨€èªžå‡¦ç†ã€ã‚’ã€åŽŸæ›¸ Natural Language Processing with Python ã¨åŒã˜ Creative Commons Attribution Noncommercial No Derivative Works 3.0 US License ã®ä¸‹ã§å…¬é–‹ã™ã‚‹ã‚‚ã®ã§ã™ã€‚ 原書ã§ã¯ä¸»ã«è‹±èªžã‚’対象ã¨ã—ãŸè‡ªç„¶è¨€èªžå‡¦ç†ã‚’å–り扱ã£ã¦ã„ã¾ã™ã€‚内容や考ãˆæ–¹ã®å¤šãã¯è¨€èªžã«ä¾å˜ã—ãªã„ã‚‚ã®ã§ã¯ã‚ã‚Šã¾ã™ãŒã€å˜èªžã®åˆ†ã‹ã¡æ›¸ãã‚’ã—ãªã„ç‚¹ã‚„çµ±èªžæ§‹é€ ç‰ã®é•ã„ã‹ã‚‰ã€æ—¥æœ¬èªžã‚’対象ã¨ã™ã‚‹å ´åˆã€ã„ãã¤ã‹æ°—ã‚’ã¤ã‘ãªã‘ã‚Œã°ã„ã‘ãªã„点ãŒã‚ã‚Šã¾ã™ã€‚日本語を扱ã†å ´åˆã«ã‚‚
Natural Language Processing with Python – Analyzing Text with the Natural Language Toolkit
Natural Language Processing with Python – Analyzing Text with the Natural Language Toolkit Steven Bird, Ewan Klein, and Edward Loper This version of the NLTK book is updated for Python 3 and NLTK 3. The first edition of the book, published by O'Reilly, is available at http://nltk.org/book_1ed/. (There are currently no plans for a second edition of the book.) 0. Preface 1. Language Processing and P
æ˜ ç”»ã€ŒThe Social Networkã€ã®è„šæœ¬ã‚’NLTKã§è§£æžã—ã¦éŠã‚“ã§ã¿ãŸ - ã¬ã„ãã‚‹ã¿ãƒ©ã‚¤ãƒ•ï¼Ÿ
※ã“ã®è¨˜äº‹ã«ã¯æ˜ 画「The Social Networkã€ã®ãƒã‚¿ãƒãƒ¬ãŒãã‚Œãªã‚Šã«å«ã¾ã‚Œã¦ã„ã¾ã™ï¼Žã“ã‚Œã‹ã‚‰æ˜ 画を観る予定ã®æ–¹ã¯é€ƒã’ãŸæ–¹ãŒè³¢æ˜Žã§ã™ï¼Ž 最近ブãƒã‚°ã§å®£è¨€ã—ãŸé€šã‚Šï¼Œå…¥é–€ 自然言語処ç†ã‚’èªã¿ã¤ã¤Pythonã®NLTK(Natural Language ToolKit)を使ã£ãŸè‡ªç„¶è¨€èªžå‡¦ç†ã«ã¤ã„ã¦å‹‰å¼·ä¸ï¼Žå…¥é–€ 自然言語処ç†ã¯Pythonã‚’ãƒã‚¯ã«è§¦ã£ãŸã“ã¨ãŒãªã„ç§ã§ã‚‚ã¡ã‚ƒã‚“ã¨ç†è§£ã—ãªãŒã‚‰èªã¿é€²ã‚られるよã†ã«ãªã£ã¦ã„ã‚‹ã®ãŒå¬‰ã—ã„． ã¨ã“ã‚ã§ï¼Œå°‘ã—å‰ã«æ˜ 画「The Social Network (ソーシャル・ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯)ã€ã‚’観ã¦ï¼Œç™»å ´äººç‰©ã®å°è©žã‚„行動ãŒãªã‹ãªã‹é¢ç™½ãã¦æ°—ã«å…¥ã£ãŸã®ã ã‘ã©ï¼Œã“ã®è„šæœ¬ãŒæ˜ ç”»ã®å…¬å¼ã‚µã‚¤ãƒˆã§å…¬é–‹ã•ã‚Œã¦ã„ã‚‹ã“ã¨ã‚’最近知ã£ãŸï¼Žæ˜ ç”»ã®è„šæœ¬ã¨ãªã‚‹ã¨ï¼Œç‰¹å¾´çš„ãªè¡¨ç¾ãŒå¤šãæ–‡ç« æ•°ã‚‚ãã‚Œãªã‚Šã«ã‚ã‚‹ã®ã§ï¼Œèˆˆå‘³æ·±ã„コーパスã«ãªã‚Šå¾—ã‚‹ã®ã§ã¯ãªã„ã‹ã¨æ€ã†ï¼Ž ã¨ã„ã†ã‚ã‘ã§ï¼ŒNLTKç¿’ã„ç«‹ã¦ã®
NLTK :: Natural Language Toolkit
Natural Language Toolkit¶ NLTK is a leading platform for building Python programs to work with human language data. It provides easy-to-use interfaces to over 50 corpora and lexical resources such as WordNet, along with a suite of text processing libraries for classification, tokenization, stemming, tagging, parsing, and semantic reasoning, wrappers for industrial-strength NLP libraries, and an ac
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Amazon.co.jp: 入門 自然言語処ç†: Steven Bird (è‘—), Ewan Klein (è‘—), Edward Loper (è‘—), è©åŽŸæ£äºº (翻訳), ä¸å±±æ•¬åºƒ (翻訳), 水野貴明 (翻訳): 本
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