Abstract:

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 information is a problem urgently to be solved in the development of micro-blog. This article constructs the evaluation index system of the quality of micro-blog information from the quantity of information, quality of information 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.

Key words: Micro-blog, Quality of information;　Evaluation index;　Analytic hierarchy process