摘要
文章论述了布尔逻辑检索模型、概率检索模型及向量空间检索模型的原理,比较了三者的优缺点,分析了三种检索模型在理论上的相融之处,进而预测了未来检索模型的发展趋势。
The paper discusses Boolean retrieval model, probability retrieval model and vector retrieval model, analyses their advantages and disadvantages, points out that the three retrieval model are integrated. In the end , it predicts the retrieval model in the future.
出处
《情报科学》
CSSCI
1998年第3期225-230,260,共7页
Information Science
关键词
检索模型
布尔逻辑
检索模型
概率检索模型
Retrieval model Boolean retrieval model Probability retrieval model Vector retrieval model