721 search results - page 132 / 145 » Layered Index Structures in Document Database Systems |
PVLDB
2008
13 years 6 months ago
2008
The Deep Web, i.e., content hidden behind HTML forms, has long been acknowledged as a significant gap in search engine coverage. Since it represents a large portion of the structu...
ICPR
2008
IEEE
14 years 1 months ago
2008
IEEE
This paper presents an improved version of our specific methodology to detect the vessel tree in retinal angiographies. The automatic analysis of retinal vessel tree facilitates ...
SIGMOD
2003
ACM
14 years 6 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
SIGMOD
2010
ACM
13 years 7 months ago
2010
ACM
Information extraction systems are increasingly being used to mine structured information from unstructured text documents. A commonly used unsupervised technique is to build iter...
CVPR
2008
IEEE
14 years 8 months ago
2008
IEEE
This paper presents an approach to extracting and using semantic layers from low altitude aerial videos for scene understanding and object tracking. The input video is captured by...