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IQIS
2007
ACM
15 years 8 months ago
On the performance of one-to-many data transformations
Relational Database Systems often support activities like data warehousing, cleaning and integration. All these activities require performing some sort of data transformations. Si...
Paulo J. F. Carreira, Helena Galhardas, Joã...
DEBU
2000
95views more  DEBU 2000»
15 years 6 months ago
Accurately and Reliably Extracting Data from the Web: A Machine Learning Approach
A critical problem in developing information agents for the Web is accessing data that is formatted for human use. We have developed a set of tools for extracting data from web si...
Craig A. Knoblock, Kristina Lerman, Steven Minton,...
CIKM
2009
Springer
16 years 1 months ago
Walking in the crowd: anonymizing trajectory data for pattern analysis
Recently, trajectory data mining has received a lot of attention in both the industry and the academic research. In this paper, we study the privacy threats in trajectory data pub...
Noman Mohammed, Benjamin C. M. Fung, Mourad Debbab...
DOLAP
2009
ACM
16 years 1 months ago
A comprehensive approach to data warehouse testing
Testing is an essential part of the design life-cycle of any software product. Nevertheless, while most phases of data warehouse design have received considerable attention in the...
Matteo Golfarelli, Stefano Rizzi
ICDCS
2008
IEEE
16 years 29 days ago
Can We Really Recover Data if Storage Subsystem Fails?
This paper presents a theoretical and experimental study on the limitations of copy-on-write snapshots and incremental backups in terms of data recoverability. We provide mathemat...
Weijun Xiao, Qing Yang