Sciweavers

2310 search results - page 429 / 462
» Managing System and Active-Content Integrity
Sort
View
ESWS
2009
Springer
14 years 2 months ago
Relational Databases as Semantic Web Endpoints
This proposal explores the promotion of existing relational databases to Semantic Web Endpoints. It presents the benefits of ontologybased read and write access to existing relati...
Matthias Hert
SP
2007
IEEE
137views Security Privacy» more  SP 2007»
14 years 1 months ago
A Cryptographic Decentralized Label Model
Information-flow security policies are an appealing way of specifying confidentiality and integrity policies in information systems. Most previous work on language-based securit...
Jeffrey A. Vaughan, Steve Zdancewic
ADBIS
2004
Springer
224views Database» more  ADBIS 2004»
14 years 1 months ago
Using Ontologies for Database Query Reformulation
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
Chokri Ben Necib, Johann Christoph Freytag
DASFAA
2003
IEEE
108views Database» more  DASFAA 2003»
14 years 1 months ago
Spatial Query Processing for High Resolutions
Modern database applications including computeraided design (CAD), medical imaging, or molecular biology impose new requirements on spatial query processing. Particular problems a...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
14 years 7 months ago
Rank-aware Query Optimization
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
Ihab F. Ilyas, Rahul Shah, Walid G. Aref, Jeffrey ...