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DAWAK
2005
Springer
16 years 5 days ago
Graph-Based Modeling of ETL Activities with Multi-level Transformations and Updates
Extract-Transform-Load (ETL) workflows are data centric workflows responsible for transferring, cleaning, and loading data from their respective sources to the warehouse. Previous ...
Alkis Simitsis, Panos Vassiliadis, Manolis Terrovi...
ISI
2008
Springer
15 years 6 months ago
Analysis of cyberactivism: A case study of online free Tibet activities
In this paper, we study the problem of anomaly detection in high-dimensional network streams. We have developed a new technique, called Stream Projected Ouliter deTector (SPOT), t...
Tianjun Fu, Hsinchun Chen
KBSE
2008
IEEE
16 years 1 months ago
Discovering Patterns of Change Types
The reasons why software is changed are manyfold; new features are added, bugs have to be fixed, or the consistency of coding rules has to be re-established. Since there are many...
Beat Fluri, Emanuel Giger, Harald Gall
SIGOPSE
2004
ACM
16 years 2 days ago
Energy-efficient cluster-based service discovery for Ubiquitous Computing
: Service discovery in Ubiquitous Computing is a task which has to be done frequently due to dynamically changing environments. The limited battery power of mobile devices requires...
Gregor Schiele, Christian Becker, Kurt Rothermel
IEEESCC
2007
IEEE
16 years 26 days ago
A Fault-Tolerant Middleware Architecture for High-Availability Storage Services
Today organizations and business enterprises of all sizes need to deal with unprecedented amounts of digital information, creating challenging demands for mass storage and on-dema...
Sangeetha Seshadri, Ling Liu, Brian F. Cooper, Law...