Python được viết từ những ngôn ngữ khác, tạo ra những bản hiện thực khác nhau. Bản hiện thực Python chính, còn gọi là CPython, được viết bằng C, và được phân phối kèm một thư viện chuẩn lớn được viết hỗn hợp bằng C và Python. | Analyzing Text with the Natural Language Toolkit Natural Language Processing with O REILLY Steven Bird Ewan Klein Edward Loper Program ming Py thon O REILLY Natural Language Processing with Python This book offers a highly accessible introduction to natural language processing the field that supports a variety of language technologies from predictive text and email filtering to automatic summarization and translation. Willi it you ll learn how to write Python programs that work with large collections of unstructured text. You ll access richly annotated datasets using a comprehensive range of linguistic data structures and you ll understand the main algorithms for analyzing the content and structure of written com munication. Packed with examples and exercises. Natural Language Processing with Python will help you Extract information from unstructured text either to guess the topic or identify named entities Analyze linguistic structure in text including parsing and semantic analysis Access popular linguistic databases including WordNet and treebanks Integrate techniques drawn from fields as diverse as linguistics and artificial intelligence This book will help you gain practical skills in natural language processing using the python programming language and the Natural Language Toolkit NLTK open source library. If you re interested in developing web applications analyzing multilingual news sources or documenting endangered languages or if you re simply curious to have a program mer s perspective on how human language works you ll find Natural Language Processing with Python both fascinating and immensely useful. US CAN ISBN 978-0-596-51649-9 o IIMMIII lira Iiili 9 780 596 516499 1111111111 Safari Books Online Rarely does a hook tackle such a difficult computing subject with such a clear approach and with such beautifully dean code. This is the book from which to learn natural language processing. Ken Getz Senior Consultant. MCW Technologies