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» Parallelizing query optimization
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EDBT
2010
ACM
164views Database» more  EDBT 2010»
15 years 4 months ago
Techniques for efficiently querying scientific workflow provenance graphs
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
Manish Kumar Anand, Shawn Bowers, Bertram Ludä...
120
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TKDE
2011
266views more  TKDE 2011»
14 years 4 months ago
Continuous Monitoring of Distance Based Range Queries
Given a positive value r, a distance based range query returns the objects that lie within the distance r of the query location. In this paper, we focus on the distance based rang...
Muhammad Aamir Cheema, Ljiljana Brankovic, Xuemin ...
131
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BMCBI
2008
204views more  BMCBI 2008»
15 years 27 days ago
EST2uni: an open, parallel tool for automated EST analysis and database creation, with a data mining web interface and microarra
Background: Expressed sequence tag (EST) collections are composed of a high number of single-pass, redundant, partial sequences, which need to be processed, clustered, and annotat...
Javier Forment, Francisco Gilabert Villamón...
124
Voted
ICDE
2009
IEEE
143views Database» more  ICDE 2009»
15 years 7 months ago
Supporting Generic Cost Models for Wide-Area Stream Processing
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...
Olga Papaemmanouil, Ugur Çetintemel, John J...
SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
16 years 1 months ago
Cost based plan selection for xpath
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...