基于RSS的企业Web搜索引擎研究与设计 目录 4.1.1汉语分词技术研究·· 4.1.2汉语自动分词的难点· ·23 4.1.3自动分词设计·。·············。····24 4.2索引技术························27 4.2.1全文检索技术· 42.2索引项的选择··············· ·28 4.2.3索引的组织结构····················28 4.2.4索引的设计和实现。。··· 第五章数据检索设计························31 5.1检索模型的比较研究 5.1.1布尔逻辑模型·····················31 5.1.2模糊逻辑模型·· 5.1.3向量空间模型·。············· ·32 5.1.4概率检索模型······ 5.2提高检索效率和质量的相关技术。········· 5.2.1相关度排序技术············· 5.2.2用户接口技术········· 5.3数据检索的实现·。················ 333 第六章基于RSS的企业Web搜索引擎的实现·············38 6.1基于RSS的企业Web搜索引擎整体工作流程· 38 6.2系统模块划分······················39 6.3主要数据结构 6.4系统测试·。··· 444 第七章结论与展望· 7.1结论····························44 7.2展望·········。···· 参考文献 谢基于 RSS 的企业 Web 搜索引擎研究与设计 目 录 4.1.1 汉语分词技术研究···················22 4.1.2 汉语自动分词的难点··················23 4.1.3 自动分词设计 ·····················24 4.2 索引技术··························27 4.2.1 全文检索技术 ·····················28 4.2.2 索引项的选择 ·····················28 4.2.3 索引的组织结构 ····················28 4.2.4 索引的设计和实现···················29 第五章 数据检索设计························31 5.1 检索模型的比较研究 ····················31 5.1.1 布尔逻辑模型·····················31 5.1.2 模糊逻辑模型·····················32 5.1.3 向量空间模型·····················32 5.1.4 概率检索模型·····················33 5.2 提高检索效率和质量的相关技术················34 5.2.1 相关度排序技术 ····················34 5.2.2 用户接口技术 ·····················35 5.3 数据检索的实现·······················36 第六章 基于 RSS 的企业 Web 搜索引擎的实现··············38 6.1 基于 RSS 的企业 Web 搜索引擎整体工作流程···········38 6.2 系统模块划分························39 6.3 主要数据结构························42 6.4 系统测试··························43 第七章 结论与展望·························44 7.1 结论····························44 7.2 展望····························44 参考文献 ·····························46 致谢 ·······························47