19 search results - page 3 / 4 » EPA-AIR SIfT: Air Quality Data Integration from Heterogeneou... |
VLDB
1997
ACM
13 years 9 months ago
1997
ACM
Businesses today need to interrelate data stored in diverse systems with differing capabilities, ideally via a single high-level query interface. We present the design of a query ...
SIGMOD
2010
ACM
13 years 10 months ago
2010
ACM
Most people consider a database is merely a data repository that supports data storage and retrieval. Actually, a database contains rich, inter-related, multi-typed data and infor...
ER
2003
Springer
13 years 10 months ago
2003
Springer
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...
ESWS
2006
Springer
13 years 9 months ago
2006
Springer
Because metadata that underlies semantic web applications is gathered from distributed and heterogeneous data sources, it is important to ensure its quality (i.e., reduce duplicate...
MUM
2004
ACM
13 years 10 months ago
2004
ACM
We present a conceptual mediation framework that features three layers of mediators: presence, integration, and homogenization layers that work together in a peer-to-peer (p2p) ma...