Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
In this work we present further development of the SpLaSH (Spoken Language Search Hawk) project. SpLaSH implements a data model for annotated speech corpora integrated with textua...
We demonstrate a visual based XML-Relational database system where XML data is managed by commercial RDBMS. A query interface enables users to form path expression based queries a...
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
Wei Wang 0011, Haifeng Jiang, Hongjun Lu, Jeffrey ...
A key observation is that the invariants in database management determine the mapping steps of the supporting architecture. Referring to the multi-layered architecture of record-or...