[Purpose/significance] From the perspective of information needs and services, this study has evaluated the effects of government information disclosure by measuring how the provided information meets people' information needs,to enrich the application of information retrieval in government information evaluation.[Method/process] In order to simulate people's information needs, twelve life events related with people's basic livelihood such as education, housing, healthcare, etc. have been selected. Each event has been described by a set of queries to reflect the potential information needs people may have in their life. With the consideration of the manipuility in disclosure effect evaluation based on the content, four evaluation metrics have been defined, including the matching rate, the visibility, the coverage, and the average number of related information for effective queries. The information is considered as qualified for meeting the needs if it has been selected by a well-established retrieval model and then judged by human experts. The dataset in this experiment includes 2.27 million pages from 35 cities' government portal websites.[Result/conclusion] Information disclosure can be regarded as a kind of information service provided by the government to the public. Thus the method has been proposed to evaluating the effects of the disclosed government information. The defined metrics measure how the content of the disclosed information fits people's information needs, and the convenience it may give to people when they seek critical information in the government websites. The method has been employed on 35 cities' datasets, and the rankings have been analyzed. This study has shown the feasibility of evaluating the effects of the disclosed government information.
Chen Chong
,
Dong Yue
,
Geng Qian
,
Pan Jinghua
. Evaluating Government Information Disclosure Effects from the Perspective of Matching Information Needs[J]. Library and Information Service, 2017
, 61(24)
: 13
-23
.
DOI: 10.13266/j.issn.0252-3116.2017.24.002
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