Sciweavers

1529 search results - page 107 / 306
» Querying for meta knowledge
Sort
View
PSSS
2003
15 years 7 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
KRDB
1996
123views Database» more  KRDB 1996»
15 years 7 months ago
Flexible Query-Answering Systems Modelled in Metalogic Programming
Metaprogramming adds new expressive power to logic programming which can be advantageous to transfer to the field of deductive databases. We propose metaprogramming as a way to mo...
Troels Andreasen, Henning Christiansen
JCS
2008
94views more  JCS 2008»
15 years 5 months ago
Preprocessing for controlled query evaluation with availability policy
Controlled Query Evaluation (CQE) defines a logical framework to protect confidential information in a database. By modeling a user's a priori knowledge appropriately, a CQE ...
Joachim Biskup, Lena Wiese
SIGMOD
2009
ACM
144views Database» more  SIGMOD 2009»
16 years 6 months ago
Do we mean the same?: disambiguation of extracted keyword queries for database search
Users often try to accumulate information on a topic of interest from multiple information sources. In this case a user's informational need might be expressed in terms of an...
Elena Demidova, Irina Oelze, Peter Fankhauser
ECCB
2005
IEEE
16 years 2 hour ago
A query language for biological networks
Many areas of modern biology are concerned with the management, storage, visualization, comparison, and analysis of networks. For instance, networks are used to model signal trans...
Ulf Leser