609 search results - page 31 / 122 » Collective spatial keyword querying |
ICCV
2007
IEEE
14 years 10 months ago
2007
IEEE
Automatically discovering common visual patterns from a collection of images is an interesting but yet challenging task, in part because it is computationally prohibiting. Althoug...
ISMIS
1997
Springer
14 years 24 days ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
SAC
2006
ACM
14 years 2 months ago
2006
ACM
We present a framework and an application for semanticbased retrieval of images. Our approach adopts a two-level ontology structure in a subset of OWL-DL. In the core ontology onl...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
In many text retrieval tasks, it is highly desirable to obtain a "similarity profile" of the document collection for a given query. We propose sampling-based techniques ...
GIS
2007
ACM
14 years 9 months ago
2007
ACM
The collection of moving object data is becoming more and more common, and therefore there is an increasing need for the efficient analysis and knowledge extraction of these data ...