3514 search results - page 263 / 703 » On Moving Object Queries |
183
click to vote
WADS
1997
Springer
15 years 10 months ago
1997
Springer
We present several efficient dynamic data structures for point-enclosure queries, involving convex fat objects in R2 or R3. Our planar structures are actually fitted for a more ...
199
click to vote
CIVR
2004
Springer
15 years 12 months ago
2004
Springer
Abstract. A novel approach to object-based video indexing and retrieval is presented, employing an object segmentation algorithm for the real-time, unsupervised segmentation of com...
154
click to vote
VLDB
1999
ACM
15 years 10 months ago
1999
ACM
When implementing persistent objects on a relational database, a major performance issue is prefetching data to minimize the number of roundtrips to the database. This is especial...
172
click to vote
SIGMOD
1991
ACM
15 years 10 months ago
1991
ACM
This paper presents an architecture for a persistent object store in which multi-level storage is explicitly included. Traditionally, DBMSs have assumed that all accessible data r...
173
click to vote
DKE
1998
15 years 6 months ago
1998
The issues of schema evolution and temporal object models are generally considered to be orthogonal and are handled independently. However, to properly model applications that nee...