作者: Barry Eaglestone , Robert Holton , Lene Rold
DOI: 10.1007/BFB0034686
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摘要: The data model described, GENREG, was developed at the National Museum of Denmark for their distributed multi-media database, in which details Museum's artifacts are represented. GENREG is a historic and based on event graphs. model's formal semantics defined using AQUA object algebra.