275 search results - page 10 / 55 » Ontologies and Databases: The DL-Lite Approach |
JTAER
2010
13 years 2 months ago
2010
With the emergence of the e-Catalog, there has been an increasingly wide application of commodities query in distributed environment in the field of e-commerce. But e-Catalog is o...
ADBIS
2004
Springer
14 years 26 days ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
SSDBM
2008
IEEE
14 years 1 months ago
2008
IEEE
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
AO
2005
13 years 7 months ago
2005
Relationships are an integral part of the design of a database. Comparing and integrating relationships from heterogeneous databases requires that the relationships be mapped to ea...
DBKDA
2009
IEEE
13 years 11 months ago
2009
IEEE
Most database applications are designed according the ANSI/SPARC architecture. When it is used, a large amount of semantics of data may be lost during the transformation from the ...