Abstract. We review the definition of entity types derived by symbolgenerating rules. These types appear frequently in conceptual schemas. However, up to now they have received ver...
Abstract. XML (eXtensible Markup Language) is becoming the standard format for documents on Internet and is widely used to exchange data. Often, the relevant information contained ...
Giuseppe Della Penna, Antinisca Di Marco, Benedett...
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...
The supercomputer center, digital library, and archival storage communities have common persistent archival storage requirements. Each of these communities is building software in...
We present a new approach to extracting information from unstructured documents based on an application ontology that describes a domain of interest. Starting with such an ontolog...
David W. Embley, Douglas M. Campbell, Randy D. Smi...