189 search results - page 28 / 38 » Spatio-temporal Indexing in Database Semantics |
VLDB
1999
ACM
13 years 11 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
KES
2006
Springer
13 years 7 months ago
2006
Springer
Named entities (e.g., "Kofi Annan", "Coca-Cola", "Second World War") are ubiquitous in web pages and other types of document and often provide a simpl...
DEXA
2001
Springer
14 years 20 hour ago
2001
Springer
Image mining systems that can automatically extract semantically meaningful information (knowledge) from image data are increasingly in demand. The fundamental challenge in image m...
TCSV
2008
13 years 7 months ago
2008
The characterization of a video segment by a digital signature is a fundamental task in video processing. It is necessary for video indexing and retrieval, copyright protection and...
VLSISP
1998
13 years 7 months ago
1998
Understanding of the scene content of a video sequence is very important for content-based indexing and retrieval of multimedia databases. Research in this area in the past severa...