Extracting Event Temporal Information based on Web

被引：1
作者：
Yuan, Bo [1 ]
Chen, Qingcai [1 ]
Wang, Xiaolong [1 ]
Han, Liwei [1 ]
机构：
[1] Harbin Inst Technol, Comp Sci & Technol Dept, Shenzhen Grad Sch, Shenzhen 518055, Guangdong, Peoples R China
来源：
2009 SECOND INTERNATIONAL SYMPOSIUM ON KNOWLEDGE ACQUISITION AND MODELING: KAM 2009, VOL 1 | 2009年
关键词：
temporal informaion; event time extraction; web pages;
D O I：
10.1109/KAM.2009.134
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Temporal information is an important characteristic of event. It can be used in information retrieval process to organize the returned result. In Chinese, the presentations of time expression are very complex, which make it difficult to both accurately recognize a time expression and precisely connecting it with a given event in a web page that contains multiple events. To address these problems, this paper presents an innovative event time extraction model. Rather than just rely on local context within a web page or a text, this model applies global context provided by all the web pages that had been automatically judged as related with a given event. Our experiment results based on the evaluation criterions show the feasibility of the provided model
引用
收藏
页码：346 / 350
页数：5
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