306 search results - page 13 / 62 » Data Exchange: Semantics and Query Answering |
SEBD
2007
13 years 11 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
ICDCSW
2006
IEEE
14 years 3 months ago
2006
IEEE
Business-to-business (B2B) data exchange and integration is a common daily operation in today’s organizations. These operations are crucial since they affect organizations’ ca...
ICDT
2007
ACM
14 years 4 months ago
2007
ACM
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
SEMWEB
2010
Springer
13 years 7 months ago
2010
Springer
The ability to answer temporal-oriented questions based on clinical narratives is essential to clinical research. The temporal dimension in medical data analysis enables clinical r...
PAKDD
1999
ACM
14 years 2 months ago
1999
ACM
Empirical equations are an important class of regularities that can be discovered in databases. In this paper we concentrate on the role of equations as de nitions of attribute val...