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» Querying Multidimensional Databases
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ERSHOV
2003
Springer
15 years 8 months ago
TeXOR: Temporal XML Database on an Object-Relational Database System
Storage costs are rapidly decreasing, making it feasible to store larger amounts of data in databases. This also makes it possible to store previous versions of data in the databa...
Kjetil Nørvåg, Marit Limstrand, Lene ...
CAISE
2006
Springer
15 years 6 months ago
VisAVis: An Approach to an Intermediate Layer between Ontologies and Relational Database Contents
This paper introduces an approach to mapping relational database contents to ontologies. The current effort is motivated by the need of including into the Semantic Web volumes of w...
Nikolaos Konstantinou, Dimitrios-Emmanuel Spanos, ...
SSD
1995
Springer
97views Database» more  SSD 1995»
15 years 6 months ago
Ranking in Spatial Databases
Abstract. An algorithm for ranking spatial objects according to increasing distance from a query object is introduced and analyzed. The algorithm makes use of a hierarchical spatia...
Gísli R. Hjaltason, Hanan Samet
OWLED
2008
15 years 4 months ago
Conjunctive Query Answering in EL using a Database System
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
Carsten Lutz, David Toman, Frank Wolter
ICDT
2011
ACM
242views Database» more  ICDT 2011»
14 years 6 months ago
Knowledge compilation meets database theory: compiling queries to decision diagrams
The goal of Knowledge Compilation is to represent a Boolean expression in a format in which it can answer a range of online-queries in PTIME. The online-query of main interest to ...
Abhay Kumar Jha, Dan Suciu