Matrix : a statistical method and software tool for linguistic analysis through corpus comparison
Matrix : a statistical method and software tool for linguistic analysis through corpus comparison
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Matrix:通过语料库比较进行语言分析的统计方法和软件工具
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发表时间:
2003
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通讯作者:
P. Rayson
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作者:
P. Rayson
Matrix: A statistical method and software tool for linguistic analysis through corpus comparison A thesis submitted to Lancaster University for the degree of Ph.D. in Computer Science Paul Edward Rayson, B.Sc. September 2002 This thesis reports the development of a new kind of method and tool (Matrix) for advancing the statistical analysis of electronic corpora of linguistic data. First, we describe the standard corpus linguistic methodology, which is hypothesis-driven. The standard research process model is ‘question – build – annotate – retrieve – interpret’, in other words, identifying the research question (and the linguistic features) early in the study. In recent years corpora have been increasingly annotated with linguistic information. From our survey, we find that no tools are available which are datadriven on annotated corpora, in other words, a tool which assists in finding candidate research questions. However, Matrix is such a tool. It allows the macroscopic analysis (the study of the characteristics of whole texts or varieties of language) to inform the microscopic level (focussing on the use of a particular linguistic feature) as to which linguistic features should be investigated further. By integrating part-of-speech tagging and lexical semantic tagging in a profiling tool, the Matrix technique extends the keywords procedure to produce key grammatical categories and key concepts. It has been shown to be applicable in the comparison of UK 2001 general election manifestos of the Labour and Liberal Democratic parties, vocabulary studies in sociolinguistics, studies of language learners, information extraction and content analysis. Currently, it has been tested on restricted levels of annotation and only on English language data.