78 search results - page 14 / 16 » Progressive Query Optimization for Federated Queries |
AAAI
1998
13 years 7 months ago
1998
Probabilistic models have recently been utilized for the optimization of large combinatorial search problems. However, complex probabilistic models that attempt to capture interpa...
SIGMOD
2010
ACM
13 years 10 months ago
2010
ACM
Fast query processing of complex objects, e.g. spatial or uncertain objects, depends on efficient spatial pruning of the objects’ approximations, which are typically minimum bou...
EDBT
1990
ACM
13 years 9 months ago
1990
ACM
Deductive Databases are coming of age with the emergence of efficient and easy to use systems that support queries, reasoning, and application development on databases through dec...
KRDB
1998
13 years 7 months ago
1998
We present a semantic caching approach for optimizing the performance of information mediators. A critical problem with information mediators, particularly those gathering and int...
EDBT
2009
ACM
14 years 16 days ago
2009
ACM
Business processes drive the operations of an enterprise. In the past, the focus was primarily on business process design, modeling, and automation. Recently, enterprises have rea...