摘要
针对当前农业搜索引擎存在的查不全、查不准、死链等问题,在分析中国使用率比较高的农搜、搜农、华农在线和中国农业信息网站等搜索引擎的基础上,提出了基于Nutch框架的农业信息垂直搜索引擎。该搜索引擎对农业词语进行分类,并构建专门的农业词典,提高查询速度。此外,基于Nutch框架的搜索引擎采用了改进的Page Rank算法对网页进行排序得到权值最高的网页,呈现出具有价值搜索结果,达到初步的搜索结果的预期目标。
Aiming at the existence of the current agricultural search engine: not complete searching, not accurate searching,dead links and other issues, analyzing of the current status of the use of several important agricultural domestic search engines, the vertical search engine about agricultural information research and design based on Nutch frame was put forward.This search engine classified the word for agriculture, and built the special agricultural dictionary, to improve the query speed. Also this search engine used the improved Page Rank algorithm to get higher weight sorting web page, and to show the value of search results, and finally achieved the anticipated target of the preliminary search results.
出处
《湖北农业科学》
2015年第18期4603-4606,共4页
Hubei Agricultural Sciences
基金
山东省自主创新专项(2012CX90204)
关键词
Nutch框架
农业搜索引擎
农业词典
设计
Nutch frame
agriculture search engine
agricultural dictionary
design