提出基于用户查询行为和查询扩展的信息检索模型,给出了设计思想及其算法和实现的关键技术。实验结果表明,该模型能有效提高信息检索性能,有很高的实际应用价值和广阔的前景。
This paper introduced a novel and efficient information retrieval model based on users' query behaviors and query expansion. Expounded its design ideology and algorithm. The results of the experiment proposed model improves more precision than the traditional information retrieval methods.