隐含语义索引在吉林省农业知识问答系统中的应用

Application of Latent Semantic Index in Agricultural Knowledge Question Answering System of Jilin Province

为了解决现有农业知识问答系统功能及业务流程中存在的一些问题,将隐含语义索引技术应用于吉林省农业知识问答系统中。该技术可以增强或消减词语在文档中语义的影响力,使文档之间的语义关系更为明晰,在一定程度上实现了自然语言检索,消除了词语同义性和多义性所造成的影响,从而取得更好的检索效果。

The latent semantic index technology was applied to solve some problems with the existing function and in the professional process in agricultural knowledge question answering system.This technology could enhance or reduce the influence of words on the semantic in the document and it also could make the semantic relationships more clear,thereby realized the natural language search to a certain extent.The interference from identity and poly semantics was eliminated and better search results obtained.