2978 search results - page 69 / 596 » Modelling and Querying Video Data |
SIGMOD
2011
ACM
14 years 19 days ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...
AAAI
2008
15 years 4 days ago
2008
In this paper, we propose a novel approach to expand queries by exploring both location information and topic information of the queries. Users at different locations tend to have...
DAWAK
2001
Springer
15 years 2 months ago
2001
Springer
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
ICALP
2005
Springer
15 years 3 months ago
2005
Springer
We study a clean machine model for external memory and stream processing. We show that the number of scans of the external data induces a strict hierarchy (as long as work space is...
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ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
Images and videos can be indexed by multiple features at different levels, such as color, texture, motion, and text annotation. Organizing this information into a system so that u...