信息检索中相关实体发现综述

Survey on related entity finding in information retrieval

实体是Web页面中的重要信息载体,用户通过搜索引擎进行信息检索中时一般想得到某个具体的实体,而不是某些文档的列表,因而信息检索中的相关实体发现研究就具有非常重要的意义。对信息检索中的相关实体发现的基本过程进行了综述,重点描述了相关实体发现的重要组成部分:全文检索、实体识别、实体分级,主页查找及其各部分所涉及到的关键问题。

Entities are important information carrier in web pages.Users when they use a search engine for information retrieval want a specific entity rather than a list of some documents.So the research of related entity finding in information retrieval is very meaningful.The basic process of related entity finding is surveyed and its most important components including full-text retrieval,entity extractin,entity ranking,homepage finding and the other key isues are decribed in detail.