2228 search results - page 394 / 446 » A System for Semantic Query Optimization |
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
A neural network scheme is presented in this paper for adaptive video indexing and retrieval. First, a limited but characteristic amount of frames are extracted from each video sc...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
We propose a class of constraints, referred to as conditional functional dependencies (CFDs), and study their applications in data cleaning. In contrast to traditional functional ...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
In mobile and ambient environments, devices need to become autonomous, managing and resolving problems without interference from a user. The database of a (mobile) device can be s...
GIS
2005
ACM
14 years 9 months ago
2005
ACM
Topological predicates, as derived from the 9-intersection model, have been widely recognized in GIS, spatial database systems, and many other geo-related disciplines. They are ba...
POPL
2007
ACM
14 years 8 months ago
2007
ACM
Massive amounts of useful data are stored and processed in ad hoc formats for which common tools like parsers, printers, query engines and format converters are not readily availa...