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» A Structured Set of Higher-Order Problems
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ICCS
2007
Springer
14 years 3 months ago
Hessian-Based Model Reduction for Large-Scale Data Assimilation Problems
Assimilation of spatially- and temporally-distributed state observations into simulations of dynamical systems stemming from discretized PDEs leads to inverse problems with high-di...
Omar Bashir, Omar Ghattas, Judith Hill, Bart G. va...
CORR
2004
Springer
119views Education» more  CORR 2004»
13 years 8 months ago
The Largest Compatible Subset Problem for Phylogenetic Data
Abstract. The phylogenetic tree construction is to infer the evolutionary relationship between species from the experimental data. However, the experimental data are often imperfec...
Andy Auyeung, Ajith Abraham
STOC
2003
ACM
141views Algorithms» more  STOC 2003»
14 years 9 months ago
Better streaming algorithms for clustering problems
We study clustering problems in the streaming model, where the goal is to cluster a set of points by making one pass (or a few passes) over the data using a small amount of storag...
Moses Charikar, Liadan O'Callaghan, Rina Panigrahy
COR
2006
120views more  COR 2006»
13 years 9 months ago
A hybrid setup for a hybrid scenario: combining heuristics for the home health care problem
Home health care, i.e. visiting and nursing patients in their homes, is a growing sector in the medical service business. From a staff rostering point of view, the problem is to f...
Stefan Bertels, Torsten Fahle
PKDD
2005
Springer
95views Data Mining» more  PKDD 2005»
14 years 2 months ago
Ensembles of Balanced Nested Dichotomies for Multi-class Problems
Abstract. A system of nested dichotomies is a hierarchical decomposition of a multi-class problem with c classes into c − 1 two-class problems and can be represented as a tree st...
Lin Dong, Eibe Frank, Stefan Kramer