562 search results - page 44 / 113 » Term Selection and Query Operations for Video Retrieval |
123
click to vote
CIKM
2006
Springer
15 years 5 months ago
2006
Springer
In this paper we introduce the distributed spatio-temporal similarity search problem: given a query trajectory Q, we want to find the trajectories that follow a motion similar to ...
117
click to vote
CIKM
2009
Springer
15 years 8 months ago
2009
Springer
Support vector machines (SVMs) have been widely used in multimedia retrieval to learn a concept in order to find the best matches. In such a SVM active learning environment, the ...
219
click to vote
ICDE
2007
IEEE
16 years 3 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
129
click to vote
CIKM
2007
Springer
15 years 8 months ago
2007
Springer
Opinion retrieval is a document retrieval process, which requires documents to be retrieved and ranked according to their opinions about a query topic. A relevant document must sa...
IDEAS
2008
IEEE
15 years 8 months ago
2008
IEEE
Data stored in a data warehouse are inherently multidimensional, but most data-pruning techniques (such as iceberg and top-k queries) are unidimensional. However, analysts need to...