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254
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ICDE
1998
IEEE
153views Database» more  ICDE 1998»
16 years 8 months ago
Flattening an Object Algebra to Provide Performance
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
Peter A. Boncz, Annita N. Wilschut, Martin L. Kers...
202
Voted
ICALP
2001
Springer
15 years 11 months ago
Separating Quantum and Classical Learning
We consider a model of learning Boolean functions from quantum membership queries. This model was studied in [26], where it was shown that any class of Boolean functions which is i...
Rocco A. Servedio
JUCS
2006
116views more  JUCS 2006»
15 years 6 months ago
Extension of CQL over Dynamic Databases
: CQL, Continuous Query Language is suitable for data stream queries. Sometimes it is better if the queries operate on relational databases and data streams simultaneously. The exe...
Antal Buza
ESWS
2008
Springer
15 years 8 months ago
Foundations of RDF Databases
The goal of this paper is to give an overview of the basics of the theory of RDF databases. We provide a formal definition of RDF that includes the features that distinguish this m...
Claudio Gutierrez
JSC
2010
135views more  JSC 2010»
15 years 5 months ago
Deciding inseparability and conservative extensions in the description logic EL
We study the problem of deciding whether two ontologies are inseparable w.r.t. a signature Σ, i.e., whether they have the same consequences in the signature Σ. A special case is...
Carsten Lutz, Frank Wolter