1278 search results - page 87 / 256 » Design and Analysis of Parametric Query Optimization Algorit... |
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
SIGMOD
2010
ACM
14 years 10 months ago
2010
ACM
We develop a compact and efficient reachability labeling scheme for answering provenance queries on workflow runs that conform to a given specification. Even though a workflow run...
CIKM
2007
Springer
15 years 3 months ago
2007
Springer
It has been shown that using phrases properly in the document retrieval leads to higher retrieval effectiveness. In this paper, we define four types of noun phrases and present an...
156
click to vote
ACMSE
2007
ACM
15 years 1 months ago
2007
ACM
Classification and change detection of land cover types in the remotely sensed images is one of the major applications in remote sensing. This paper presents a hierarchical framew...
ICIP
2004
IEEE
15 years 11 months ago
2004
IEEE
We introduce a 3-D parametric active contour algorithm for the shape estimation of DNA molecules from stereo cryo-electron micrographs. We consider a 3-D filament (consisting of a...