948 search results - page 49 / 190 » The Query Answering System PRODICOS |
SIGMOD
1999
ACM
14 years 2 months ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
ICDE
2011
IEEE
13 years 2 months ago
2011
IEEE
—In this paper, we address the problem of answering continuous route planning queries over a road network, in the presence of updates to the delay (cost) estimates of links. A si...
ICDT
2010
ACM
14 years 2 months ago
2010
ACM
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
WISE
2007
Springer
14 years 4 months ago
2007
Springer
We study and present our findings on two closely related problems on xpath rewriting using views when both the view and the query are tree patterns involving /,// and []. First, g...
FAST
2011
13 years 1 months ago
2011
As file systems reach the petabytes scale, users and administrators are increasingly interested in acquiring highlevel analytical information for file management and analysis. T...