2228 search results - page 385 / 446 » On Database Theory and XML |
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
KDD
2005
ACM
15 years 3 months ago
2005
ACM
This paper presents a framework for user-oriented text mining. It is then illustrated with an example of discovering knowledge from competitors’ websites. The knowledge to be di...
KDD
2005
ACM
15 years 3 months ago
2005
ACM
Relational graphs are widely used in modeling large scale networks such as biological networks and social networks. In this kind of graph, connectivity becomes critical in identif...
DOLAP
2004
ACM
15 years 3 months ago
2004
ACM
We address the inference control problem in data cubes with some data known to users through external knowledge. The goal of inference controls is to prevent exact values of sensi...
DOLAP
2004
ACM
15 years 3 months ago
2004
ACM
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...