321 search results - page 11 / 65 » A view selection algorithm with performance guarantee |
ICML
2005
IEEE
14 years 11 months ago
2005
IEEE
We introduce an expectation maximizationtype (EM) algorithm for maximum likelihood optimization of conditional densities. It is applicable to hidden variable models where the dist...
SIGMOD
1997
ACM
14 years 3 months ago
1997
ACM
Materialized views and view maintenance are becoming increasingly important in practice. In order to satisfy different data currency and performance requirements, a number of view...
SIGMOD
2001
ACM
14 years 11 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
MIR
2010
ACM
14 years 5 months ago
2010
ACM
This paper presents a method for selecting salient 2D views to describe 3D objects for the purpose of retrieval. The views are obtained by first identifying salient points via a ...
ICDT
2003
ACM
14 years 4 months ago
2003
ACM
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...