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SDM
2007
SIAM
126views Data Mining» more  SDM 2007»
15 years 2 months ago
Nonlinear Dimensionality Reduction using Approximate Nearest Neighbors
Nonlinear dimensionality reduction methods often rely on the nearest-neighbors graph to extract low-dimensional embeddings that reliably capture the underlying structure of high-d...
Erion Plaku, Lydia E. Kavraki
ICPPW
2005
IEEE
15 years 7 months ago
Gene Ordering in Microarray Data Using Parallel Memetic Algorithms
This paper addresses the Microarray Gene Ordering problem. It consists in ordering a set of genes, grouping together the ones with similar behavior. This behavior can be measured ...
Alexandre Mendes, Carlos Cotta, Vinícius Ga...
ICCS
2007
Springer
15 years 7 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...
PPOPP
2003
ACM
15 years 6 months ago
Exploiting high-level coherence information to optimize distributed shared state
InterWeave is a distributed middleware system that supports the sharing of strongly typed, pointer-rich data structures across a wide variety of hardware architectures, operating ...
DeQing Chen, Chunqiang Tang, Brandon Sanders, Sand...
SDM
2012
SIAM
238views Data Mining» more  SDM 2012»
13 years 3 months ago
Evaluating Event Credibility on Twitter
Though Twitter acts as a realtime news source with people acting as sensors and sending event updates from all over the world, rumors spread via Twitter have been noted to cause c...
Manish Gupta, Peixiang Zhao, Jiawei Han