| In recent years, Jiaozhou city invested a large number of manpower and materials set up underground pipeline management information system of Jiaozhou city, to carry on prompt and fast data renewal and maintain at the same time to be convenient for government to manage data or for commercial purpose, data sharing become one ideal choice to meet needs the above mention, and metadata sharing is prerequisite and key factor of data sharing. In view of this, at first, this paper explained the necessity of metadata sharing, then according to several authoritative metadata standard and the reality of the construction of Jiaozhou city decided the content of metadata of pipeline data of Jiaozhou, through the analysis of pipeline metadata, designed out the metadata database of pipeline used by the ArcSDE technology offered by Esri Company, and used one of the key function of ArcIMS --metadata service, realized the pipeline metadata sharing.
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