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» Complex Data Integration Based on a Multi-agent System
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SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
15 years 9 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
CCGRID
2010
IEEE
14 years 8 months ago
WORKEM: Representing and Emulating Distributed Scientific Workflow Execution State
- Scientific workflows have become an integral part of cyberinfrastructure as their computational complexity and data sizes have grown. However, the complexity of the distributed i...
Lavanya Ramakrishnan, Dennis Gannon, Beth Plale
ICSE
2008
IEEE-ACM
16 years 5 months ago
Tool support for the navigation in graphical models
Graphical models are omnipresent in the software engineering field, but most current graphical modeling languages do not scale with the increasing size and complexity of today...
Tobias Reinhard, Silvio Meier, Reinhard Stoiber, C...
118
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ITCC
2003
IEEE
15 years 10 months ago
Methodologies for Web Information System Design
The Web information space is rapidly growing in the size and the diversity of both its data and its audience. A consequence is that Web Information Systems (WIS) in many applicati...
Peter Barna, Flavius Frasincar, Geert-Jan Houben, ...
EDBT
2009
ACM
81views Database» more  EDBT 2009»
15 years 9 months ago
Exploiting similarity-aware grouping in decision support systems
Decision Support Systems (DSS) are information systems that support decision making processes. In many scenarios these systems are built on top of data managed by DBMSs and make e...
Yasin N. Silva, Muhammad U. Arshad, Walid G. Aref