华东师范大学学报(自然科学版) ›› 2013, Vol. 2013 ›› Issue (3): 79-83，105.

• 计算广告技术 • 上一篇    下一篇

电子商务网站搜索引擎检索串分析

冯 亮1， 沙朝锋2   

  1. 1. 华东师范大学 软件学院，上海 200062；
    2. 复旦大学 计算机科学技术学院， 上海 200433
  • 收稿日期:2013-03-01 修回日期:2013-04-01 出版日期:2013-05-25 发布日期:2013-07-10

Query analysis for search engine in E-commerce Web sites

FENG Liang 1, SHA Chao-feng 2   

  1. 1. Software Engineering Institute, East China Normal University, Shanghai 200062, China;
    2. School of Computer Science, Fudan University, Shanghai 200433, China
  • Received:2013-03-01 Revised:2013-04-01 Online:2013-05-25 Published:2013-07-10

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摘要： 在电子商务网站中，关键字搜索是用户查询商品的一种重要手段，其中计算检索串中的切词权重则是搜索引擎查询处理时的一个重要步骤.本文总结了现有计算切词权重方法的不足，提出了一种新方法.该方法结合切词重要性和相关性确定切词权重，有效地提高了切词权重确定的准确性，是一种切实可行的计算切词权重的方法.

关键词: 信息检索, 搜索引擎, 切词权重

Abstract: In most E-commerce web sites, key word search is an important way for users to find commodities, and calculation of the term weights is a major step for search engine to process queries. In order to overcome the shortness of existing methods in calculation of term weights in query processing, this paper proposed a new method, which combines importance with relevance of terms when calculating term weights. It effectively improves the correctness of the determination of the term weights, and is practical and reliable.

Key words: information retrieval, search engine, term weight

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