基于时效性的垂直搜索及其应用

The vertical search base on timeliness and its application

基于时效性信息的特征,构建了一个用来提高专业搜索的“查全、准、新率”的垂直搜索引擎.以航空机票价格为例,分析了时效性信息的获取和过滤技术,并给出了基于时效性垂直搜索引擎的关键程序.

A vertical search engine based on timeliness is constructed, which is mainly directed at improving the rate of professional searching thoroughly, elaborately and newly. This paper, taking the airfare for example, analyzes the acquisition and filtering of timeliness information, and thus presents the critical procedures on the ground of timeliness vertical search engine.