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» Interactive plan hints for query optimization
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ICDE
2010
IEEE
194views Database» more  ICDE 2010»
13 years 11 months ago
Visualizing cost-based XQuery optimization
Abstract— Developing a full-fledged cost-based XQuery optimizer is a fairly complex task. Nowadays, there is little knowledge concerning suitable cost formulae and optimization ...
Andreas M. Weiner, Theo Härder, Renato Olivei...
VLDB
1995
ACM
132views Database» more  VLDB 1995»
13 years 7 months ago
Coloring Away Communication in Parallel Query Optimization
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
Waqar Hasan, Rajeev Motwani
ICDE
2008
IEEE
119views Database» more  ICDE 2008»
14 years 5 months ago
Toward Simulation-Based Optimization in Data Stream Management Systems
Abstract-- Our demonstration introduces a novel system architecture which massively facilitates optimization in data stream management systems (DSMS). The basic idea is to decouple...
Bernhard Seeger, Christoph Heinz, Jürgen Kr&a...
ICDE
2003
IEEE
170views Database» more  ICDE 2003»
14 years 5 months ago
Keyword Proximity Search on XML Graphs
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
Vagelis Hristidis, Yannis Papakonstantinou, Andrey...
VLDB
2002
ACM
83views Database» more  VLDB 2002»
13 years 4 months ago
Searching on the Secondary Structure of Protein Sequences
In spite of the many decades of progress in database research, surprisingly scientists in the life sciences community still struggle with inefficient and awkward tools for queryin...
Laurie Hammel, Jignesh M. Patel