537 search results - page 52 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
KDD
1998
ACM
14 years 1 months ago
1998
ACM
Discovery of association rules from large databases of item sets is an important data mining problem. Association rules are usually stored in relational databases for future use i...
ICPR
2002
IEEE
14 years 10 months ago
2002
IEEE
This paper describes an approach for video structuring and indexing. It relies on motion wavelet coefficients directly estimated from image sequence. These coefficients provide a ...
MM
2004
ACM
14 years 2 months ago
2004
ACM
Relevance feedback has been proposed as an important technique to boost the retrieval performance in content-based image retrieval (CBIR). However, since there exists a semantic g...
GIS
1999
ACM
14 years 1 months 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...
SPIRE
2001
Springer
14 years 1 months ago
2001
Springer
In this paper, we study query processing in a distributed text database. The novelty is a real distributed architecture implementation that offers concurrent query service. The di...