Sciweavers

20024 search results - page 333 / 4005
» Database Management Systems
Sort
View
SIGMOD
2007
ACM
111views Database» more  SIGMOD 2007»
16 years 4 months ago
Query relaxation using malleable schemas
In contrast to classical databases and IR systems, real-world information systems have to deal increasingly with very vague and diverse structures for information management and s...
Xuan Zhou, Julien Gaugaz, Wolf-Tilo Balke, Wolfgan...
ADC
2008
Springer
100views Database» more  ADC 2008»
15 years 6 months ago
UserMap : an Adaptive Enhancing of User-Driven XML-to-Relational Mapping Strategies
As the XML has become a standard for data representation, it is inevitable to propose and implement techniques for efficient managing of XML data. A natural alternative is to expl...
Irena Mlynkova, Jaroslav Pokorný
POLICY
2001
Springer
15 years 8 months ago
The Ponder Policy Specification Language
The Ponder language provides a common means of specifying security policies that map onto various access control implementation mechanisms for firewalls, operating systems, databas...
Nicodemos Damianou, Naranker Dulay, Emil Lupu, Mor...
SIGMOD
2009
ACM
117views Database» more  SIGMOD 2009»
16 years 4 months ago
FERRY: database-supported program execution
We demonstrate the language Ferry and its editing, compilation, and execution environment FerryDeck. Ferry's type system and operations match those of scripting or programmin...
Torsten Grust, Manuel Mayr, Jan Rittinger, Tom Sch...
SSDBM
2002
IEEE
149views Database» more  SSDBM 2002»
15 years 9 months ago
A Cost Model for Interval Intersection Queries on RI-Trees
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...