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DLOG
2007
15 years 5 months ago
Expressive Querying over Fuzzy DL-Lite Ontologies
Abstract. Fuzzy Description Logics (f-DLs) have been proposed as formalisms capable of capturing and reasoning about imprecise and vague knowledge. The last years, research in Desc...
Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, E...
SIGMOD
2000
ACM
173views Database» more  SIGMOD 2000»
15 years 2 months ago
javax.XXL: A prototype for a Library of Query processing Algorithms
In this paper we describe XXL (eXtensible and fleXible Library), a toolkit for rapid prototyping query processing algorithms. XXL is a flexible, high-level, platform independent J...
Jochen Van den Bercken, Jens-Peter Dittrich, Bernh...
SIGMOD
2002
ACM
141views Database» more  SIGMOD 2002»
15 years 2 months ago
Bringing Order to Query Optimization
A variety of developments combine to highlight the need for respecting order when manipulating relations. For example, new functionality is being added to SQL to support OLAP-styl...
Giedrius Slivinskas, Christian S. Jensen, Richard ...
ICDE
2000
IEEE
161views Database» more  ICDE 2000»
15 years 6 months ago
Efficient Query Refinement in Multimedia Databases
Increasing application demands are pushing database management systems (DBMSs) towards providing adequate and efficient support for content-based retrieval over multimedia objects...
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Me...
CADE
2007
Springer
16 years 3 months ago
Inferring Invariants by Symbolic Execution
In this paper we propose a method for inferring invariants for loops in Java programs. An example of a simple while loop is used throughout the paper to explain our approach. The m...
Benjamin Weiß, Peter H. Schmitt