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» Using Execution Trace Data to Improve Distributed Systems
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DOLAP
2009
ACM
15 years 1 months ago
Defining ETL worfklows using BPMN and BPEL
Decisional systems are crucial for enterprise improvement. They allow the consolidation of heterogeneous data from distributed enterprise data stores into strategic indicators. An...
Zineb El Akkaoui, Esteban Zimányi
MASCOTS
1997
14 years 11 months ago
A Hybrid Simulation Approach Enabling Performance Characterization of Large Software Systems
We describe a method for performance analysis of large software systems that combines a fast instruction-set simulator with off-line detailed analysis of segments of the execution...
Bengt Werner, Peter S. Magnusson
IPPS
1999
IEEE
15 years 2 months ago
ParaPART: Parallel Mesh Partitioning Tool for Distributed Systems
In this paper, we present ParaPART, a parallel version of a mesh partitioning tool, called PART, for distributed systems. PART takes into consideration the heterogeneities in proce...
Jian Chen, Valerie E. Taylor
SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
15 years 10 months ago
ARCube: supporting ranking aggregate queries in partially materialized data cubes
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
Tianyi Wu, Dong Xin, Jiawei Han
WWW
2007
ACM
15 years 10 months ago
Optimized query planning of continuous aggregation queries in dynamic data dissemination networks
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
Rajeev Gupta, Krithi Ramamritham