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JCSS
2008
73views more  JCSS 2008»
15 years 5 months ago
Structure identification of Boolean relations and plain bases for co-clones
We give a quadratic algorithm for the following structure identification problem: given a Boolean relation R and a finite set S of Boolean relations, can the relation R be express...
Nadia Creignou, Phokion G. Kolaitis, Bruno Zanutti...
DEBU
2002
100views more  DEBU 2002»
15 years 4 months ago
Indexing the Trajectories of Moving Objects
The domain of spatiotemporal applications is a treasure trove of new types of data and queries. In this work, the focus is on a spatiotemporal sub-domain, namely the trajectories ...
Dieter Pfoser
DATESO
2010
233views Database» more  DATESO 2010»
15 years 3 months ago
Efficient Implementation of XPath Processor on Multi-Core CPUs
Abstract. Current XPath processors use direct approach to query evaluation which is quite inefficient in some cases and usually implemented serially. This may be a problem in case ...
Martin Krulis, Jakub Yaghob
BIBE
2007
IEEE
169views Bioinformatics» more  BIBE 2007»
15 years 11 months ago
Combining Semantics, Context, and Statistical Evidence in Genomics Literature Search
—We present an information retrieval model for combining evidence from concept-based semantics, term statistics, and context for improving search precision of genomics literature...
Jay Urbain, Nazli Goharian, Ophir Frieder
DMSN
2004
ACM
15 years 10 months ago
Active rules for sensor databases
Recent years have witnessed a rapidly growing interest in query processing in sensor and actuator networks. This is mainly due to the increased awareness of query processing as th...
Michael Zoumboulakis, George Roussos, Alexandra Po...