Sciweavers

2675 search results - page 203 / 535
» From Ontology to Relational Databases
Sort
View
ESWS
2008
Springer
15 years 8 months ago
Semantic Hubs for Geological Projects
This paper describes a service-oriented architecture for accessing resources through semantically designed portals called hubs. The services are dedicated to: (a) ontology manageme...
Yamine Aït Ameur, Nabil Belaid, Mohammed Benn...
GEOS
2009
Springer
15 years 11 months ago
SPARQL Query Re-writing Using Partonomy Based Transformation Rules
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
Prateek Jain, Peter Z. Yeh, Kunal Verma, Cory A. H...
AICOM
2008
95views more  AICOM 2008»
15 years 6 months ago
A multilayer ontology-based hybrid recommendation model
We propose a novel hybrid recommendation model in which user preferences and item features are described in terms of semantic concepts defined in domain ontologies. The exploitati...
Iván Cantador, Alejandro Bellogín, P...
ER
2007
Springer
190views Database» more  ER 2007»
16 years 23 days ago
The CIDOC Conceptual Reference Model - A New Standard for Knowledge Sharing
The tutorial first addresses requirements and semantic problems to integrate digital information into large scale, meaningful networks of knowledge that support not only access to...
Martin Doerr, Christian-Emil Ore, Stephen Stead
ICDE
2006
IEEE
144views Database» more  ICDE 2006»
16 years 8 months ago
Materialized Sample Views for Database Approximation
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
Shantanu Joshi, Chris Jermaine