网络信息检索中利用the Staceys测度方法提高逻辑运算效率的思考

摘要

The Stacey & Stacey formula for the quality of AND Web queries is analyzed and explained, leading to a proposal for a simplified alternative. Examples clarify the procedure.%网络信息检索中,逻辑运算符AND连接检索词的顺序很大程度上会影响检索效率.论文首先分析、介绍了the Staceys测度方法在改善AND检索效率中发挥的作用,并在此基础上提出简化了的测度算法,最后通过实例说明其实现步骤.