| 基于上下文的Web即时信息检索 |
| |
| 引用本文： | 郭少友.基于上下文的Web即时信息检索[J].情报理论与实践,2009,32(6). |
| |
| 作者姓名： | 郭少友 |
| |
| 作者单位： | 郑州大学,信息管理系,河南,郑州,450001 |
| |
| 基金项目： | 河南省教育厅人文社会科学项目研究成果,项目编号:2008-ZX-166 |
| |
| 摘 要： | 用户当前正在浏览的网页内容有助于说明用户的即时信息需求.在现有相关研究的基础上提出了一种基于上下文的Web即时信息检索方法,该方法允许用户从正在浏览的网页中选择一段文本作为原始检索条件,由检索系统从其上下文中提取一级扩展词和二级扩展词来形成新的检索条件进行检索,并将检索结果按相似度从大到小的顺序呈现给用户.
|
| 关 键 词： | 信息检索 即时信息需求 检索方法 |
Immediate Web Information Retrieval Based on Context |
| |
| Guo Shaoyou.Immediate Web Information Retrieval Based on Context[J].Information Studies:Theory & Application,2009,32(6). |
| |
| Authors: | Guo Shaoyou |
| |
| Abstract: | The content of the Web page the user is currently browsing can help describe his immediate information demand.Based on the related research,this paper presents an immediate Web information retrieval method based on context.The method allows the user to select a text from the Web page that he is browsing as the primary retrieval condition.The retrieval system extracts Level 1 and Level 2 expansion terms from the context of the text,retrieves information with the new retrieval condition,and shows the results ... |
| |
| Keywords: | information retrieval immediate information demand retrieval method |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
