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» Optimization of Query Streams Using Semantic Prefetching
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AAAI
2007
13 years 10 months ago
DL-Lite in the Light of First-Order Logic
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large a...
Alessandro Artale, Diego Calvanese, Roman Kontchak...
SIGMOD
2004
ACM
161views Database» more  SIGMOD 2004»
14 years 7 months ago
Approximation Techniques for Spatial Data
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald
CGF
2006
156views more  CGF 2006»
13 years 7 months ago
Semantic Photo Synthesis
Composite images are synthesized from existing photographs by artists who make concept art, e.g., storyboards for movies or architectural planning. Current techniques allow an art...
Matthew Johnson, Gabriel J. Brostow, Jamie Shotton...
DLS
2010
204views Languages» more  DLS 2010»
13 years 5 months ago
Alias analysis for optimization of dynamic languages
Dynamic languages such as Python allow programs to be written more easily using high-level constructs such as comprehensions for queries and using generic code. Efficient executio...
Michael Gorbovitski, Yanhong A. Liu, Scott D. Stol...
DEXAW
2009
IEEE
129views Database» more  DEXAW 2009»
14 years 2 months ago
RDFStats - An Extensible RDF Statistics Generator and Library
—In this paper RDFStats is introduced, which is a generator for statistics of RDF sources like SPARQL endpoints and RDF documents. RDFStats does not only provide a statistics gen...
Andreas Langegger, Wolfram Wöß