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» Aggregate-Query Processing in Data Warehousing Environments
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PERCOM
2006
ACM
14 years 4 months ago
CAPS: Energy-Efficient Processing of Continuous Aggregate Queries in Sensor Networks
In this paper, we design and evaluate an energy efficient data retrieval architecture for continuous aggregate queries in wireless sensor networks. We show how the modification of...
Wen Hu, Archan Misra, Rajeev Shorey
DOLAP
2003
ACM
13 years 10 months ago
Using AutoMed metadata in data warehousing environments
Metadata management is an essential factor in data warehousing. In data warehousing environments, data is transformed and integrated into a single database from multiple autonomou...
Hao Fan, Alexandra Poulovassilis
DEXAW
2005
IEEE
176views Database» more  DEXAW 2005»
13 years 10 months ago
A Data Warehousing Environment to Monitor Metrics in Software Development Processes
Software organizations follow capability models in order to aggregate quality to their processes and products. Process measurement and analysis are key issues, but their implement...
Duncan Dubugras A. Ruiz, Karin Becker, Taisa C. No...
SIGMOD
1999
ACM
181views Database» more  SIGMOD 1999»
13 years 9 months ago
Approximate Computation of Multidimensional Aggregates of Sparse Data Using Wavelets
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
Jeffrey Scott Vitter, Min Wang
DAWAK
2003
Springer
13 years 10 months ago
Performance Tests in Data Warehousing ETLM Process for Detection of Changes in Data Origin
In a data warehouse (DW) environment, when the operational environment does not posses or does not want to inform the data about the changes that occurred, controls have to be impl...
Rosana L. de B. A. Rocha, Leonardo Figueiredo Card...