Second time Web search based on categorized information unit model
基于分类信息单元模型的二次Web检索

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.