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ICDE
1999
IEEE
151views Database» more  ICDE 1999»
16 years 7 months ago
Data Integration by Describing Sources with Constraint Databases
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
Xun Cheng, Guozhu Dong, Tzekwan Lau, Jianwen Su
BIB
2008
101views more  BIB 2008»
15 years 5 months ago
Information quality in proteomics
Proteomics, the study of the protein complement of a biological system, is generating increasing quantities of data from rapidly developing technologies employed in a variety of d...
David Stead, Norman W. Paton, Paolo Missier, Suzan...
JAIR
2008
173views more  JAIR 2008»
15 years 5 months ago
Creating Relational Data from Unstructured and Ungrammatical Data Sources
In order for agents to act on behalf of users, they will have to retrieve and integrate vast amounts of textual data on the World Wide Web. However, much of the useful data on the...
Matthew Michelson, Craig A. Knoblock
ER
2003
Springer
550views Database» more  ER 2003»
15 years 11 months ago
A UML Based Approach for Modeling ETL Processes in Data Warehouses
Data warehouses (DWs) are complex computer systems whose main goal is to facilitate the decision making process of knowledge workers. ETL (Extraction-Transformation-Loading) proces...
Juan Trujillo, Sergio Luján-Mora
SEMWEB
2009
Springer
15 years 10 months ago
Using Web Data Provenance for Quality Assessment
—The Web of Data cannot be a trustworthy data source unless an approach for evaluating the quality of data on the Web is established and integrated as part of the data publicatio...
Olaf Hartig, Jun Zhao