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GECCO
2008
Springer
109views Optimization» more  GECCO 2008»
15 years 5 months ago
Focused no free lunch theorems
Proofs and empirical evidence are presented which show that a subset of algorithms can have identical performance over a subset of functions, even when the subset of functions is ...
Darrell Whitley, Jonathan E. Rowe
SIGMOD
2005
ACM
109views Database» more  SIGMOD 2005»
16 years 4 months ago
Query-Sensitive Embeddings
A common problem in many types of databases is retrieving the most similar matches to a query object. Finding those matches in a large database can be too slow to be practical, es...
Vassilis Athitsos, Marios Hadjieleftheriou, George...
ICCSA
2005
Springer
15 years 10 months ago
Mesh Generation for Symmetrical Geometries
Symmetries are not only fascinating, but they can also be exploited when designing numerical algorithms and data structures for scientific engineering problems in symmetrical doma...
Krister Åhlander
EUROPAR
2008
Springer
15 years 6 months ago
Load-Balancing for a Block-Based Parallel Adaptive 4D Vlasov Solver
This work is devoted to the numerical resolution of the 4D Vlasov equation using an adaptive mesh of phase space. We previously proposed a parallel algorithm designed for distribut...
Olivier Hoenen, Eric Violard
CVPR
2008
IEEE
16 years 6 months ago
Robust statistics on Riemannian manifolds via the geometric median
The geometric median is a classic robust estimator of centrality for data in Euclidean spaces. In this paper we formulate the geometric median of data on a Riemannian manifold as ...
P. Thomas Fletcher, Suresh Venkatasubramanian, Sar...