331 search results - page 39 / 67 » A framework for selective query expansion |
SIGKDD
2010
13 years 3 months ago
2010
The aim of latent semantic indexing (LSI) is to uncover the relationships between terms, hidden concepts, and documents. LSI uses the matrix factorization technique known as singu...
SAC
2004
ACM
14 years 2 months ago
2004
ACM
Until recently, issues in image retrieval have been handled in DBMSs and in computer vision as separate research works. Nowadays, the trend is towards integrating the two approach...
GIS
1999
ACM
14 years 28 days ago
1999
ACM
: The paper is concerned with the effective and efficient processing of spatiotemporal selection queries under varying degrees of approximation. Such queries may employ operators l...
ICLP
1999
Springer
14 years 28 days ago
1999
Springer
We introduce the notion of bounded nondeterminism for logic programs and queries. A program and a query have bounded nondeterminism if there are finitely many refutations for the...
MM
2003
ACM
14 years 1 months ago
2003
ACM
We present an approach to video editing where movie sequences are treated as spatio-temporal volumes that can be sheered and warped under user control. This simple capability enab...