33 search results - page 4 / 7 » QPIAD: Query Processing over Incomplete Autonomous Databases |
TOIS
2008
14 years 9 months ago
2008
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over multip...
ATAL
2008
Springer
14 years 11 months ago
2008
Springer
A database view is a dynamic virtual table composed of the result set of a query, often executed over different underlying databases. The view maintenance problem concerns how a v...
170
click to vote
ICDE
2007
IEEE
15 years 10 months ago
2007
IEEE
Keyword search is a familiar and potentially effective way to find information of interest that is "locked" inside relational databases. Current work has generally assum...
171
click to vote
ICDE
2008
IEEE
15 years 10 months ago
2008
IEEE
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
156
click to vote
SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Statistical estimation and approximate query processing have become increasingly prevalent applications for database systems. However, approximation is usually of little use witho...