摘要
在研究了两种已有的信息单元模型基础上,提出了新的分类信息单元模型,作为检索对象进行二次Web检索。实验证明,该方法可以扩大和求精初始结果集合,提高初始检索的精度。
After investigating two kinds of already existed Information Unit model, a new information unit model named Categorized Information Unit was proposed as searching object on which to conduct the second time Web search, Experimental results show that the model can enlarge and refine the original searching results, promots the original searching pricision. It suggests a new way for Web search.
出处
《计算机应用》
CSCD
北大核心
2005年第12期2875-2878,共4页
journal of Computer Applications
关键词
检索对象
分类信息单元
二次Web检索
searching object
categorized information unit
second time Web search