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» ETL Workflows: From Formal Specification to Optimization
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ADBIS
2007
Springer
127views Database» more  ADBIS 2007»
13 years 11 months ago
ETL Workflows: From Formal Specification to Optimization
Timos K. Sellis, Alkis Simitsis
ER
2005
Springer
186views Database» more  ER 2005»
13 years 10 months ago
Blueprints and Measures for ETL Workflows
Extract-Transform-Load (ETL) workflows are data centric workflows responsible for transferring, cleaning, and loading data from their respective sources to the warehouse. Previous ...
Panos Vassiliadis, Alkis Simitsis, Manolis Terrovi...
ICDE
2005
IEEE
176views Database» more  ICDE 2005»
14 years 6 months ago
Optimizing ETL Processes in Data Warehouses
Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into...
Alkis Simitsis, Panos Vassiliadis, Timos K. Sellis
DOLAP
2007
ACM
13 years 8 months ago
Optimal chunking of large multidimensional arrays for data warehousing
ss domain. Using this more abstract approach means that more data sources of varying types can be incorporated with less effort, and such heterogeneous data sources might be very r...
Ekow J. Otoo, Doron Rotem, Sridhar Seshadri