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ICASSP
2009
IEEE
13 years 5 months ago
Probabilistic matrix tri-factorization
Nonnegative matrix tri-factorization (NMTF) is a 3-factor decomposition of a nonnegative data matrix, X USV , where factor matrices, U, S, and V , are restricted to be nonnegativ...
Jiho Yoo, Seungjin Choi
SIGMOD
2005
ACM
93views Database» more  SIGMOD 2005»
14 years 7 months ago
Supporting Executable Mappings in Model Management
Model management is an approach to simplify the programming of metadata-intensive applications. It offers developers powerful operators, such as Compose, Diff, and Merge, that are...
Sergey Melnik, Philip A. Bernstein, Alon Y. Halevy...
ICFP
2008
ACM
14 years 7 months ago
Functional translation of a calculus of capabilities
Reasoning about imperative programs requires the ability to track aliasing and ownership properties. We present a type system that provides this ability, by using regions, capabil...
Arthur Charguéraud, François Pottier
IDT
2008
123views more  IDT 2008»
13 years 7 months ago
A rich semantic model of track as a foundation for sharing beliefs regarding dynamic objects and events
: Many defense, homeland security, and commercial security objectives require continuous tracking of mobile entities such as aircraft. The systems that perform these functions prod...
Frederick Hayes-Roth, Curtis L. Blais
VLDB
2004
ACM
144views Database» more  VLDB 2004»
14 years 7 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa