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» A Logical Approach to Multidimensional Databases
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ADC
2006
Springer
142views Database» more  ADC 2006»
14 years 1 months ago
An optimization for query answering on ALC database
Query answering over OWLs and RDFs on the Semantic Web is, in general, a deductive process. To this end, OWL, a family of web ontology languages based on description logic, has be...
Pakornpong Pothipruk, Guido Governatori
PSSS
2003
13 years 9 months ago
DLDB: Extending Relational Databases to Support Semantic Web Queries
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...
Zhengxiang Pan, Jeff Heflin
VLDB
1990
ACM
166views Database» more  VLDB 1990»
13 years 11 months ago
The Tree Quorum Protocol: An Efficient Approach for Managing Replicated Data
In this paper, we present an efficient algorithm for managing replicated data. We impose a logical tree structure on the set of copies of an object. In a failurefree environment t...
Divyakant Agrawal, Amr El Abbadi
IDS
1994
128views Database» more  IDS 1994»
13 years 11 months ago
Virtual Environments for Data Sharing and Visualisation - Populated Information Terrains
The Concept of Populated Information Terrains (PITS) aims to extend database technology with key ideas from the new fields of Virtual Reality (VR) and Computer Supported Cooperativ...
Steve Benford, John A. Mariani
VLDB
1990
ACM
143views Database» more  VLDB 1990»
13 years 11 months ago
Synthesizing Database Transactions
Database programming requires having the knowledge of database semantics both to maintain database integrity and to explore more optimization opportunities. Automated programming ...
Xiaolei Qian