Research and application of metadata model facing to university informatization

摘要

The text analyzes the necessity of information resources sharing by the research on metadata; and the metadata model of information resources sharing facing to the semantics has been designed on base the analysis of information resources sharing demand. The designed metadata model is based on the main body and capable of supporting the semantic description of the information resource and meeting the universality and particularity of information resource sharing; and meanwhile, with extension, the metadata model can realize the interconnection, interworking and interoperability of the information resource. The metadata standard template of the information resource is primarily realized by the entity class, attribute description of entity class and relation description of entity class as well as the information source metadata.