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» The EMF Model Transformation Framework
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ADBIS
2009
Springer
151views Database» more  ADBIS 2009»
15 years 6 months ago
Rule-Based Management of Schema Changes at ETL Sources
In this paper, we visit the problem of the management of inconsistencies emerging on ETL processes as results of evolution operations g at their sources. We abstract Extract-Transf...
George Papastefanatos, Panos Vassiliadis, Alkis Si...
ER
2005
Springer
186views Database» more  ER 2005»
15 years 5 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...
CII
2008
103views more  CII 2008»
14 years 12 months ago
Moving from syntactic to semantic organizations using JXML2OWL
Today's enterprises face critical needs in integrating disparate information spread over several data sources inside and even outside the organization. Most organizations alre...
Toni Rodrigues, Pedro Rosa, Jorge Cardoso
ECIR
2009
Springer
15 years 9 months ago
Risk-Aware Information Retrieval
Probabilistic retrieval models usually rank documents based on a scalar quantity. However, such models lack any estimate for the uncertainty associated with a document’s rank. Fu...
Jianhan Zhu, Jun Wang, Michael J. Taylor, Ingemar ...
WADS
2007
Springer
89views Algorithms» more  WADS 2007»
15 years 6 months ago
Dynamic TCP Acknowledgment with Sliding Window
The dynamic TCP acknowledgement problem formulated by Dooly et al. has been intensively studied in the area of competitive analysis. However, their framework does not consider the ...
Hisashi Koga