Research on Search Technology of Agricultural Information based on Geographical Perception

摘要：

　　Aiming at the problem of the traditional agricultural search engineer based on agricultural topics having limited for geographical perception during searching,technologies of position index and the location query for building prototype searching system of agricultural information based on geographical perception are presented.We analysis search engine system structure, key technologies, data structure and build a prototype searching system of agricultural information based on geographical perception by using existing key technologies such as carve word and search technology, search technology based on geographical names and gazetteers.The system we have built achieves more satisfactory results

关键词： information retrieval query expansion geographical perception,geographical retrieval

作者: WANG Jian PAN Yuchun WANG Jian GAO Bingbo

作者单位: Agricultural information institute of CAAS, Beijing 100081 National Engineering Research Center for Information Technology in Agriculture, Beijing, 100086, Chi

会议类型: 国际会议

会议名称: 2013 World Agricultural Outlook Conference(2013世界农业展望大会)

会议地点: 北京

会议语种:英文

页码: 358-365

在线出版日期: 2013-06-06（万方平台首次上网日期，不代表论文的发表时间）