2043 search results - page 240 / 409 » The Limits of Querying Ontologies |
SIGMOD
1997
ACM
14 years 1 months ago
1997
ACM
Data warehouses store materialized views over base data from external sources. Clients typically perform complex read-only queries on the views. The views are refreshed periodical...
COOPIS
2004
IEEE
14 years 1 months ago
2004
IEEE
Querying and integrating sources of structured data from the Web in most cases requires similarity-based concepts to deal with data level conflicts. This is due to the often errone...
DGCI
2000
Springer
14 years 26 days ago
2000
Springer
We consider the problem of finding the best match for a given query shape among candidate shapes stored in a shape base. This is central to a wide range of applications, such as, d...
OWLED
2008
13 years 10 months ago
2008
Abstract. We present Owlgres, a DL-Lite reasoner implementation written for PostgreSQL, a mature open source database. Owlgres is an OWL reasoner that provides consistency checking...
SYRCODIS
2008
13 years 10 months ago
2008
Several native approaches to storing large XML data sets exist. In all of these approaches the internal data representation is designed to support any ad-hoc XQuery query. In this...