一种扩展功能可选取的文本检索系统

A Text Retrieval System with selectable expansion function

文章采用了查询扩展的一些不同规则及方法,设计出一种扩展功能可选取的文本检索系统。在该检索系统中,用户可以根据自己对所要找的信息想进行哪方面的扩展检索而选择对应的扩展功能,这样可以更好、更灵活的根据用户的需求进行检索,避免了大量无关信息的返回,从而更好的提高了检索的性能。

Based on some distinct rules and methods of query expansion, this paper designs a text retrieval system which provides an optional expansion function. In this retrieval system, users can choose corresponding expansion function to do the pertinent expansion retrieval in accordance with the information they want. As a result, users can retrieve the information they need in a better and more flexible way, avoiding returning lots of unusefull information, meanwhile, enhancing the performance of querying.