833 search results - page 47 / 167 » Nested Queries in Object Bases |
OTM
2005
Springer
14 years 1 months ago
2005
Springer
Because moving objects usually moves on spatial networks, efficient trajectory index structures are required to gain good retrieval performance on their trajectories. However, ther...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
The ObjectRank system applies authority-based ranking to keyword search in databases modeled as labeled graphs. Conceptually, authority originates at the nodes (objects) containin...
SIGIR
1998
ACM
13 years 12 months ago
1998
ACM
We describe the design and implementation of a system for logic-based multimedia retrieval. As highlevel logic for retrieval of hypermedia documents, we have developed a probabilis...
CVPR
2004
IEEE
13 years 11 months ago
2004
IEEE
This paper formulates the problem of object categorization in the discriminant analysis framework focusing on transforming visual feature data so as to make it conform to the comp...
ACJ
2006
13 years 7 months ago
2006
In this paper we present query filtering techniques based on bottom-up tree automata for XML access control. In our authorization model (RXACL), RDF statements are used to represen...