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SODA
2008
ACM
123views Algorithms» more  SODA 2008»
15 years 5 months ago
Delaunay graphs of point sets in the plane with respect to axis-parallel rectangles
Given a point set P in the plane, the Delaunay graph with respect to axis-parallel rectangles is a graph defined on the vertex set P, whose two points p, q P are connected by an ...
Xiaomin Chen, János Pach, Mario Szegedy, G&...
BDA
2006
15 years 5 months ago
Matching Algorithms for User Notification in Digital Libraries
We consider a publish/subscribe system for digital libraries which continuously evaluates queries over a large repository containing document descriptions. The subscriptions, the ...
Hanen Belhaj Frej, Philippe Rigaux, Nicolas Spyrat...
IASTEDSEA
2004
15 years 5 months ago
Erroneous architecture is a relative concept
The problem this paper addresses is that an architecture formed of software components can contain composition errors (introduced, for instance, as a result of the choice of afram...
Jirí Adámek, Frantisek Plasil
NIPS
2003
15 years 5 months ago
When Does Non-Negative Matrix Factorization Give a Correct Decomposition into Parts?
We interpret non-negative matrix factorization geometrically, as the problem of finding a simplicial cone which contains a cloud of data points and which is contained in the posi...
David L. Donoho, Victoria Stodden
AAAI
2000
15 years 5 months ago
Disjunctive Temporal Reasoning in Partially Ordered Models of Time
Certain problems in connection with, for example, cooperating agents and distributed systems require reasoning about time which is measured on incomparable or unsynchronized time ...
Mathias Broxvall, Peter Jonsson