Research on time-aware Web search

被引：0

作者：

Lin, Sheng ^{[1
]}

Jin, Pei-Quan ^{[1
,2
]}

Zhao, Xu-Jian ^{[3
]}

Yue, Li-Hua ^{[1
,2
]}

机构：

[1] School of Computer Science and Technology, University of Science and Technology of China, Hefei

[2] Key Laboratory of Electromagnetic Space Information, Chinese Academy of Sciences, Hefei

[3] School of Computer Science and Technology, Southwest University of Science and Technology, Mianyang, 621010, Sichuan

来源：

Jisuanji Xuebao/Chinese Journal of Computers | 2015年 / 38卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Temporal word expansion; Time-aware ranking; Web search;

D O I：

10.11897/SP.J.1016.2015.02163

中图分类号：

学科分类号：

摘要：

Utilizing time information to improve the effective of Web search has been a research focus in recent years, because most Web pages contain time information and many Web queries involve time-related query terms. Motivated by the needs of time-aware Web search, in this paper, we concentrate on two key issues, namely temporal keyword expansion and time-aware ranking. Particularly, we propose a new algorithm for temporal word expansion which is based on the co-occurrence of query terms and time words. In addition, we present a new time-aware ranking algorithm considering both textual relevance and time relevance. We build a prototype system and conduct experiments on real data sets to evaluate the performance of our proposal. The results show that the proposed algorithms are time efficient and have a substantial improvement on the effective of Web search. © 2015, Science Press. All right reserved.

引用

页码：2163 / 2171

页数：8

共 16 条

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