1. The article is analyzing and contrasting the BooleanRetrieval Model, pointing its advantages and disadvantages respectively.
本文对布尔逻辑检索模型进行分析、对比，指出各自的优缺点和存在的问题。
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2. This article describes an extended Booleanretrieval model and its application in Chinese information retrieval systems. It also discusses retrieval improvement through relevance feedback.
本文介绍一种扩展的布尔检索模型及其在中文信息检索系统中的应用，并利用相关反馈技术改善检索系统性能。
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3. DB2 Net search Extender provides a flexible query language to find relevant information based on complex retrieval operations involving Boolean combination, wildcard, and fuzzy search, for example.
DB 2NetSearchExtender提供了一种灵活的查询语言，可以根据复杂的获取操作(例如涉及布尔组合、通配符和模糊搜索)寻找相关信息。
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4. This paper makes an analysis of the features of accessing the EPO (European Patent Of- rice) website with its system, category, pattern, sub-field retrieval, Boolean operators discussed.
5. This paper makes an analysis of the features of accessing the EPO (European Patent Of- rice) website with its system, category, pattern, sub-field retrieval, Boolean operators discussed.
