6846 search results - page 2 / 1370 » Querying a summary of database |
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
Large amounts of (often valuable) information are stored in web-accessible text databases. "Metasearchers" provide unified interfaces to query multiple such databases at...
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
Uncertain data are inherent in some important applications, such as environmental surveillance, market analysis, and quantitative economics research. Due to the importance of thos...
CIKM
2006
Springer
13 years 7 months ago
2006
Springer
Peer Data Management Systems (PDMS) are a natural extension of heterogeneous database systems. One of the main tasks in such systems is efficient query processing. Insisting on co...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
SIGMOD
2000
ACM
13 years 9 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...