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Software Tools for Some Natural Language Texts Computer Processing

Software Tools for Some Natural Language Texts Computer Processing
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摘要 Software tools are developed for computer realization of syntactic, semantic, and morphological models of natural language texts, using rule based programming. The tools are efficient for a language, which has free order of words and developed morphological structure like Georgian. For instance, a Georgian verb has several thousand verb-forms. It is very difficult to express rules of morphological analysis by finite automaton and it will be inefficient as well. Resolution of some problems of full morphological analysis of Georgian words is impossible by finite automaton. Splitting of some Georgian verb-forms into morphemes requires non-deterministic search algorithm, which needs many backtrackings. To minimize backtrackings, it is necessary to put constraints, which exist among morphemes and verify them as soon as possible to avoid false directions of search. Software tool for syntactic analysis has means to reduce rules, which have the same members in different order. The authors used the tool for semantic analysis as well. Thus, proposed software tools have many means to construct efficient parser, test and correct it. The authors realized morphological and syntactic analysis of Georgian texts by these tools. In the presented paper, the authors describe the software tools and its application for Georgian language.
出处 《Computer Technology and Application》 2012年第3期219-225,共7页 计算机技术与应用(英文版)
关键词 Software tools parsing algorithm BACKTRACKING syntactic analyzer constraints. 软件工具 计算机处理 自然语言 文本 格鲁吉亚 有限自动机 形态结构 句法分析
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参考文献12

  • 1J. Antidze, N. Gulua, D. Mishelashvili, L. Nukradze, On complete computer morphological and syntactic analysis of Georgian texts, in: The International Symposium of Natural Language Processing, Georgian Language and Computer Technologies, Institute of Linguistics of Georgian Academy of Sciences, Tbilisi, 2009.
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  • 3K. Datukishvili, M. Loladze, N. Zakalashvili, Georgian language processing (morphological level), in: The International Symposium of Natural Language Processing, Georgian Language and Computer Technologies, Institute of Linguistics of Georgian Academy of Sciences, Tbilisi, 2003.
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  • 8Available online at: http://www, sil.org/pcpatr/manual/pcpatr.html.
  • 9Available online at: http://www.sil.org/pckimmo/v2/pc-kimmo_v2.html.
  • 10D. Melikishvili, System of Georgian Verbs Conjugation, Logos Press, Tbilisi, 2001.

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