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Proceedings 2004 VLDB Conference
In a Web database that dynamically provides information in response to user queries, there are two distinguishing schemas, interface schema and result schema, presented to users. Each of them partially reflect schema of the backend database. Most previous works merely studied the problem of schema matching across query interfaces of Web databases. In this paper, we propose a novel schema model that, in particular, distinguishes the interface schema (the schema users can query) and the resultdoi:10.1016/b978-012088469-8/50038-3 fatcat:hoaxltzqljg6jeowvsd4jf4iwm