6746 search results - page 1220 / 1350 » Multimodal Database Query |
121
Voted
DEXA
2009
Springer
15 years 7 months ago
2009
Springer
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...
104
Voted
SP
2007
IEEE
15 years 7 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...
129
Voted
SIGMOD
2005
ACM
15 years 6 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...
124
Voted
SIGUCCS
2004
ACM
15 years 6 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...
103
Voted
CIKM
2004
Springer
15 years 6 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...