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85
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KRDB
1998
83views Database» more  KRDB 1998»
15 years 2 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
102
Voted
CORR
2008
Springer
140views Education» more  CORR 2008»
15 years 24 days 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»
15 years 19 days 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
107
Voted
PR
2000
153views more  PR 2000»
15 years 14 days 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
100
Voted
PAMI
1998
107views more  PAMI 1998»
15 years 11 days 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