基于Nutch专题搜索引擎的研究

Research on the topical search engine based on Nutch

由于通用搜索引擎包含了广泛的主题,其搜索结果无法满足领域用户对信息的精确查找,而专题搜索引擎是解决特定领域的搜索引擎,满足了领域用户的检索要求。本文是基于Nutch框架进行二次开发,通过专题资源发现、中文分词、主题过滤来完成专题搜索引擎构建。

Due to the fact that the general search engines encompass a wide range of themes,they can＇t meet the users＇ need to locate the specific information in a particular field.In this circumstance,the topical search engine is intended to search in a particular field to satisfy the users＇ retrieval need.This article is revolving around the secondary development based on Nutch framework.The topical searching fulfills the particular searching mission with the topical resource discovery,theme sifting and Chinese word segmentation.