关键词: 垂直搜索,Heritrix,抽取,索引

Abstract: With the fast development of network technology,universal search engine always can not meet many user demands,especially when user needs to search some information in a field,vertical search engine accords with user demands.Cell phone resource search was discussed.It initially comes up with a vertical search with fairly precise outcome through expanding the use of Heritrix and Lucene.The major research work of this paper is divided into four parts.Firstly,by customizing and extending the Heritrix,it crawled some information from Internet.Secondly,the crawled information was analyzed and cramped out,some of that with the tool of HtmlParser.Thirdly,Lucene used to build a full-text index and retrieval service for the system.Finally,the system design a MVC connector.The system achieves design goals through the tests of response time,recall ratio and precision ratio.

Key words: Vertical search,Heritrix,Extraction,Index