中文摘要：

微博信息具有碎片化特征，其信息冗余问题令人担忧。如何对微博信息质量进行评价、实现信息过滤是微博发展中亟待解决的问题。本文从微博信息量、信息内容质量、信息来源质量和信息利用情况4个方面构建了微博信息质量评价的指标体系，并通过问卷调查，采用层次分析法对指标权重进行设置，形成了微博信息质量评价模型，为信息质量评价的实施提供了理论框架。

英文摘要：

Micro-blog information has a characteristic of fragmentation, and the problem of its information redundancy is worrying. How to evaluate the quality of micro-blog information and filter the inferior quality in- formation is a problem urgently to be solved in the development of micro-biog. This article constructs the e- valuation index system of the quality of micro-blog information from the quantity of information, quality of in- formation content, quality of information source and information utilization. It sets the index weight based on analytic hierarchy process and questionnaire survey, and constructs the quality evaluation model of micro- blog information. This research provides a theoretical framework for the implementation of quality evaluation of micro-blog information.