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ESCIENCE
2007
IEEE
14 years 1 months ago
Storing and Querying Scientific Workflow Provenance Metadata Using an RDBMS
Provenance management has become increasingly important to support scientific discovery reproducibility, result interpretation, and problem diagnosis in scientific workflow enviro...
Artem Chebotko, Xubo Fei, Cui Lin, Shiyong Lu, Far...
ICDT
2011
ACM
270views Database» more  ICDT 2011»
13 years 17 days ago
On the equivalence of distributed systems with queries and communication
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
Serge Abiteboul, Balder ten Cate, Yannis Katsis
FUIN
2006
139views more  FUIN 2006»
13 years 9 months ago
Efficient Parallel Query Processing by Graph Ranking
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...
Dariusz Dereniowski, Marek Kubale
BMCBI
2005
142views more  BMCBI 2005»
13 years 9 months ago
High performance workflow implementation for protein surface characterization using grid technology
Background: This study concerns the development of a high performance workflow that, using grid technology, correlates different kinds of Bioinformatics data, starting from the ba...
Ivan Merelli, Giulia Morra, Daniele D'Agostino, An...
ICDE
2009
IEEE
149views Database» more  ICDE 2009»
14 years 10 months ago
Online Tuning of Aggregation Tables for OLAP
Materializing results from complex aggregation queries helps to significantly improve response times in OLAP servers. This problem is known as the view selection problem: choosing ...
Katja Hose, Daniel Klan, Kai-Uwe Sattler