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KRDB
1998
83views Database» more  KRDB 1998»
13 years 11 months ago
Semantic Query Optimisation and Rule Graphs
Previous researchers note the problem for semantic optimisation of database queries caused by its production of a large number of semantically equivalent alternative queries, from...
Jerome Robinson, Barry G. T. Lowden
CORR
2008
Springer
140views Education» more  CORR 2008»
13 years 10 months ago
A Cloning Pushout Approach to Term-Graph Transformation
We address the problem of cyclic termgraph rewriting. We propose a new framework where rewrite rules are tuples of the form (L, R, , ) such that L and R are termgraphs representing...
Dominique Duval, Rachid Echahed, Fréd&eacut...
SIAMSC
2008
182views more  SIAMSC 2008»
13 years 10 months ago
A Distributed SDP Approach for Large-Scale Noisy Anchor-Free Graph Realization with Applications to Molecular Conformation
We propose a distributed algorithm for solving Euclidean metric realization problems arising from large 3D graphs, using only noisy distance information, and without any prior kno...
Pratik Biswas, Kim-Chuan Toh, Yinyu Ye
PR
2000
153views more  PR 2000»
13 years 10 months ago
A region-level motion-based graph representation and labeling for tracking a spatial image partition
This paper addresses two image sequence analysis issues under a common framework. These tasks are, "rst, motion-based segmentation and second, updating and tracking over time...
Marc Gelgon, Patrick Bouthemy
PAMI
1998
107views more  PAMI 1998»
13 years 10 months ago
Graph Matching With a Dual-Step EM Algorithm
—This paper describes a new approach to matching geometric structure in 2D point-sets. The novel feature is to unify the tasks of estimating transformation geometry and identifyi...
Andrew D. J. Cross, Edwin R. Hancock