359 search results - page 37 / 72 » A Technique for Generalizing Temporal Durations in Relationa... |
GIS
2006
ACM
14 years 9 months ago
2006
ACM
Creating complex spatio?temporal simulation models is a hot issue in the area of spatio?temporal databases [7]. While existing Moving Object Simulators (MOSs) address different ph...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
The use of any modern computer system leaves unintended traces of expired data and remnants of users' past activities. In this paper, we investigate the unintended persistenc...
WWW
2009
ACM
14 years 9 months ago
2009
ACM
Web search engines often federate many user queries to relevant structured databases. For example, a product related query might be federated to a product database containing thei...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
We study the problem of generating synthetic databases having declaratively specified characteristics. This problem is motivated by database system and application testing, data ...