Sciweavers

7576 search results - page 187 / 1516
» On Querying Ontologies and Databases
Sort
View
ISCIS
2003
Springer
15 years 11 months ago
Similarity for Conceptual Querying
Abstract. The focus of this paper is approaches to measuring similarity for application in content-based query evaluation. Rather than only comparing at the level of words, the iss...
Troels Andreasen, Henrik Bulskov, Rasmus Knappe
SIGMOD
2010
ACM
200views Database» more  SIGMOD 2010»
15 years 6 months ago
QRelX: generating meaningful queries that provide cardinality assurance
In many business and consumer applications, queries have cardinality constraints. However, current database systems provide minimal support for cardinality assurance. Consequently...
Manasi Vartak, Venkatesh Raghavan, Elke A. Rundens...
JCS
2008
94views more  JCS 2008»
15 years 6 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
WWW
2003
ACM
16 years 7 months ago
D2R MAP - A Database to RDF Mapping Language
The vision of the Semantic Web is to give data on the web a welldefined meaning by representing it in RDF and linking it to commonly accepted ontologies. Most formatted data today...
Christian Bizer
DEXAW
2006
IEEE
141views Database» more  DEXAW 2006»
16 years 19 days ago
Bipolar Queries and Queries with Preferences
The concepts of bipolar queries and queries with preferences are studied. Various interpretations of the former, recently defined by Dubois and Prade, are discussed. The latter w...
Slawomir Zadrozny, Janusz Kacprzyk