3318 search results - page 552 / 664 » The Weak Instance Model |
KDD
2004
ACM
14 years 10 months ago
2004
ACM
Past empirical work has shown that learning multiple related tasks from data simultaneously can be advantageous in terms of predictive performance relative to learning these tasks...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
Sharing structured data today requires standardizing upon a single schema, then mapping and cleaning all of the data. This results in a single queriable mediated data instance. Ho...
PODS
2001
ACM
14 years 10 months ago
2001
ACM
We consider the complexity of join problems, focusing on equijoins, spatial-overlap joins, and set-containment joins. We use a graph pebbling model to characterize these joins com...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
In modern databases, complex objects like multimedia data, proteins or text objects can be modeled in a variety of representations and can be decomposed into multiple instances of ...