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SIAMSC
2010
116views more  SIAMSC 2010»
15 years 5 months ago
Recursively Accelerated Multilevel Aggregation for Markov Chains
A recursive acceleration method is proposed for multiplicative multilevel aggregation algorithms that calculate the stationary probability vector of large, sparse, and irreducible ...
Hans De Sterck, K. Miller, G. Sanders, M. Winlaw
BMVC
2010
15 years 4 months ago
Recognizing human actions in still images: a study of bag-of-features and part-based representations
Recognition of human actions is usually addressed in the scope of video interpretation. Meanwhile, common human actions such as "reading a book", "playing a guitar&...
Vincent Delaitre, Ivan Laptev, Josef Sivic

Publication
197views
14 years 2 months ago
Convex non-negative matrix factorization for massive datasets
Non-negative matrix factorization (NMF) has become a standard tool in data mining, information retrieval, and signal processing. It is used to factorize a non-negative data matrix ...
C. Thurau, K. Kersting, M. Wahabzada, and C. Bauck...
TREC
2003
15 years 8 months ago
Searching for geneRIFs: Concept-Based Query Expansion and Bayes Classification
k gene annotations. Our indexing machinery produces per indexed MEDLINE abstract a list of concepts with an accompanying weight, termed a fingerprint. Searching is done by matching...
Rob Jelier, Martijn J. Schuemie, C. Christiaan van...
CSE
2009
IEEE
16 years 1 months ago
Reputation-Based Ontology Alignment for Autonomy and Interoperability in Distributed Access Control
Abstract—Vocabulary alignment is a main challenge in distributed access control as peers should understand each other’s policies unambiguously. Ontologies enable mutual underst...
Daniel Trivellato, Fred Spiessens, Nicola Zannone,...