语料库20120808（上午）语料库基本操作（许家金）.ppt

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1、语料库基本操作Concordance索引分析、检索Concordanceline索引行KeywordincontextKWICKeytermsNode:节点词、searchwordCollocation,collocates搭配词Occurrence,co-occurrence,recurrenceCo-selectionCo-text,context区分大小写检索任务（Case勾上表示区分大小写）howeverHowever语料位置Data1Main_corporaCrown_CLOB

2、Crown_RAWHowever检索结果Concordancehits:467However:209however:258Practice:Brownvsbrown正则表达式检索任务-ilityS+ility检索词排序、检索词前后加tab符，用Excel打开Apply索引行排序Makingakeywordlist主题词的生成Whatarekeywords?Keywordsarethosewordsunusuallyfrequentinonetextorgenreincomparisonwit

3、hsomenorm/reference.E.g.intourismEnglish,hotel,ticketbooking,luggage,tourguide,routes,flight,coachetcarehighlyfrequent,thusviewedaskeywordsinthisgenre.ObservedcorpusReferencecorpusvsvsWordlist1Wordlist2KeywordlistMetaCorpusvsCrownDataMore_textsMet

4、aCorpus（1-5）Data1Main_corporaCrown_CLOBCrown_RAWTop100ThankYou