【摘要】 随着信息技术的发展,企业检索已成为人们越来越关注的一个新的应用领域。作为企业检索的一个典型任务,企业内部的邮件检索是在企业中常常遇到的一个问题。企业内部存在着大量的可以公开访问的电子邮件,这些是企业重要的信息资源,如何高速有效地从这些邮件中检索到需要的信息具有很大意义。本文根据电子邮件本身具有的格式化特征和语义拓扑结构提出了基于电子邮件特征的检索模型。实验表明,该模型对电子邮件可以进行有效的检索,并且使用该模型在TREC2006电子邮件话题检索评测中取得了优异的性能成绩。更多还原

【Abstract】 Enterprise search has been more and more important in research as information technology develops.Discussion search in enterprise email collection is a frequently faced problem.There is a large volume of emails containing valuable information in enterprise corporations.Therefore how to retrieval required data from those emails effectively is important.In this paper,according to the structure feature of emails and its semantic topology study,we introduce the email features based retrieval model.In TREC2006 discussion search task,our model achieved the best performance among all participants.更多还原