Sciweavers

6 search results - page 1 / 2
» Optimizing ETL workflows for fault-tolerance
Sort
View
DOLAP
2009
ACM
14 years 3 hour ago
A taxonomy of ETL activities
Extract-Transform-Load (ETL) activities are software modules responsible for populating a data warehouse with operational data, which have undergone a series of transformations on...
Panos Vassiliadis, Alkis Simitsis, Eftychia Baikou...
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
ICDE
2010
IEEE
203views Database» more  ICDE 2010»
13 years 9 months ago
Optimizing ETL workflows for fault-tolerance
Extract-Transform-Load (ETL) processes play an important role in data warehousing. Typically, design work on ETL has focused on performance as the sole metric to make sure that the...
Alkis Simitsis, Kevin Wilkinson, Umeshwar Dayal, M...
DOLAP
2007
ACM
13 years 9 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
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