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» Algorithms for the Database Layout Problem
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CDB
2004
Springer
169views Database» more  CDB 2004»
15 years 12 months ago
Semantic Optimization of Preference Queries
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
Jan Chomicki
WEBDB
2001
Springer
113views Database» more  WEBDB 2001»
15 years 11 months ago
On Semi-Automated Web Taxonomy Construction
The subject of this paper is the semi-automatic construction of taxonomies over the Web. We address the problem of discovering high-quality resources that belong in a particular n...
Ravi Kumar, Prabhakar Raghavan, Sridhar Rajagopala...
DEXAW
2009
IEEE
135views Database» more  DEXAW 2009»
15 years 10 months ago
Motif Discovery in Brain Networks of Patients with Somatoform Pain Disorder
Idiopathic chronic pain disorders constitude a large, clinically important health care problem that urgently needs deeper pathophysiological insight. The understanding which brain ...
Annahita Oswald, Bianca Wackersreuther
SYRCODIS
2008
127views Database» more  SYRCODIS 2008»
15 years 8 months ago
On the Semantics of Updates in a Functional Language
Issues related to updating data in native XML database systems are studied extensively nowadays. In this work we consider a problem of updating typed XML documents having their sc...
Pavel Loupal
DATESO
2010
233views Database» more  DATESO 2010»
15 years 4 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