6905 search results - page 1255 / 1381 » Querying Multidimensional Databases |
SP
2007
IEEE
14 years 3 months ago
2007
IEEE
Since 1995, much work has been done creating protocols for private information retrieval (PIR). Many variants of the basic PIR model have been proposed, including such modificati...
SIGMOD
2005
ACM
14 years 2 months ago
2005
ACM
If presented with inaccurate statistics, even the most sophisticated query optimizers make mistakes. They may wrongly estimate the output cardinality of a certain operation and th...
SSD
2005
Springer
14 years 2 months ago
2005
Springer
Networks often form the core of many users’ spatial databases. Networks are used to support the rapid navigation and analysis of linearly connected data such as that found in tra...
SIGUCCS
2004
ACM
14 years 2 months ago
2004
ACM
Academic institutions’ dependence on web-based technologies to improve efficiency in class offerings, academic records, and office documentation is increasing at a rapid pace. T...
CIKM
2004
Springer
14 years 2 months ago
2004
Springer
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...