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» Improvements to the Psi-SSA representation
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CORR
2012
Springer
220views Education» more  CORR 2012»
14 years 2 months ago
Sparse Topical Coding
We present sparse topical coding (STC), a non-probabilistic formulation of topic models for discovering latent representations of large collections of data. Unlike probabilistic t...
Jun Zhu, Eric P. Xing
IPPS
2002
IEEE
15 years 11 months ago
Optimizing Graph Algorithms for Improved Cache Performance
Tiling has long been used to improve cache performance. Recursion has recently been used as a cache-oblivious method of improving cache performance. Both of these techniques are n...
Joon-Sang Park, Michael Penner, Viktor K. Prasanna
ISAAC
2005
Springer
120views Algorithms» more  ISAAC 2005»
15 years 12 months ago
Improved Algorithms for Largest Cardinality 2-Interval Pattern Problem
Abstract The 2-Interval Pattern problem is to find the largest constrained pattern in a set of 2-intervals. The constrained pattern is a subset of the given 2-intervals such that ...
Hao Yuan, Linji Yang, Erdong Chen
PSIVT
2007
Springer
170views Multimedia» more  PSIVT 2007»
16 years 14 days ago
Markov Random Fields and Spatial Information to Improve Automatic Image Annotation
Content-based image retrieval (CBIR) is currently limited because of the lack of representational power of the low-level image features, which fail to properly represent the actual...
Carlos Hernández-Gracidas, Luis Enrique Suc...
SCCC
2002
IEEE
15 years 11 months ago
Improved Antidictionary Based Compression
The compression of binary texts using antidictionaries is a novel technique based on the fact that some substrings (called “antifactors”) never appear in the text. Let × be a...
Maxime Crochemore, Gonzalo Navarro