【摘要】 全文检索的应用导致了信息检索领域的一场革命,是文档数据库研究的核心。全文检索的首要问题是全文检索模型的选择。本文介绍了目前国内外主要的全文拴索模型,总结了全文检索模型的评价标准,按照此标准对各种模型进行了分析比较,并对全文检索模型构建中一些关键问题进行了分析。更多还原

【Abstract】 The application of full-text index which is the key research work on text databases, leads to a revolution in information retrieval. The primary problem of full-text index is how to choose an effective full-text index model. A full-text index model evaluation criterion is summarized. Then, the main models nowadays are introduced and analyzed. In addition, key techniques are explored.更多还原