| Deep Web数据集成系统中的查询效率优化 |
| |
| 引用本文： | 刘鸿飞.Deep Web数据集成系统中的查询效率优化[J].河北省科学院学报,2009,26(2):11-13. |
| |
| 作者姓名： | 刘鸿飞 |
| |
| 作者单位： | 河北大学,数学与计算学院,河北,保定,071002 |
| |
| 摘 要： | Deep Web能够提供大量高质量的信息,为了有效地利用这些信息,建立Deep Web数据集成系统是重要手段。Deep Web数据集成系统的查询效率是其应用的关键。本文采用建立本地索引数据库的方式以提高查询效率,在此基础上提出了其相应的更新策略,并给出了算法分析。
|
| 关 键 词： | DeepWeb 统一查询接口 查询效率 |
Improvement of query efficiency on the Deep Web data integration system |
| |
| LIU Hong-fei.Improvement of query efficiency on the Deep Web data integration system[J].Journal of The Hebei Academy of Sciences,2009,26(2):11-13. |
| |
| Authors: | LIU Hong-fei |
| |
| Institution: | College of Mathematics and Computer Science;Hebei University;Baoding Hebei 071002;China |
| |
| Abstract: | Deep Web can provide us a great amount of high quality information.In order to make full use of the information,it is important to establish Deep Web data integration system.In Deep Web data integration system,query efficiency is the key to its application.In this paper,we clarify a method to improve query efficiency by establishing the local index database.Based on this,we present its corresponding update strategy and then expound the algorithm analysis. |
| |
| Keywords: | Deep Web |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
