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SIGMOD
2000
ACM
173views Database» more  SIGMOD 2000»
15 years 4 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...
CORR
2011
Springer
135views Education» more  CORR 2011»
14 years 8 months ago
On the Limitations of Provenance for Queries With Difference
The annotation of the results of database transformations was shown to be very effective for various applications. Until recently, most works in this context focused on positive q...
Yael Amsterdamer, Daniel Deutch, Val Tannen
AMW
2011
14 years 8 months ago
SNQL: A Social Networks Query and Transformation Language
Abstract. Social Network (SN) data has become ubiquitous, demanding advanced and flexible means to represent, transform and query such data. In addition to the intrinsic challenge...
Mauro San Martín, Claudio Gutierrez, Peter ...
SIGMOD
2006
ACM
127views Database» more  SIGMOD 2006»
16 years 4 months ago
Query evaluation using overlapping views: completeness and efficiency
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
Gang Gou, Maxim Kormilitsin, Rada Chirkova
ICDE
2009
IEEE
129views Database» more  ICDE 2009»
16 years 6 months ago
Evaluating TOP-K Queries over Business Processes
A Business Process (BP) consists of some business activities undertaken by one or more organizations in pursuit of some business goal. Tools for querying and analyzing BP specifica...
Daniel Deutch, Tova Milo