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CCS
2008
ACM
15 years 8 months ago
A formal framework for reflective database access control policies
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...
Lars E. Olson, Carl A. Gunter, P. Madhusudan
CIKM
2008
Springer
15 years 8 months ago
Generalized inverse document frequency
Inverse document frequency (IDF) is one of the most useful and widely used concepts in information retrieval. There have been various attempts to provide theoretical justification...
Donald Metzler
CIKM
2008
Springer
15 years 8 months ago
Error-driven generalist+experts (edge): a multi-stage ensemble framework for text categorization
We introduce a multi-stage ensemble framework, ErrorDriven Generalist+Expert or Edge, for improved classification on large-scale text categorization problems. Edge first trains a ...
Jian Huang 0002, Omid Madani, C. Lee Giles
CIKM
2008
Springer
15 years 8 months ago
Linear time membership in a class of regular expressions with interleaving and counting
The extension of Regular Expressions (REs) with an interleaving (shuffle) operator has been proposed in many occasions, since it would be crucial to deal with unordered data. Howe...
Giorgio Ghelli, Dario Colazzo, Carlo Sartiani
ASSETS
2005
ACM
15 years 8 months ago
Semantic knowledge in word completion
We propose an integrated approach to interactive word-completion for users with linguistic disabilities in which semantic knowledge combines with n-gram probabilities to predict s...
Jianhua Li, Graeme Hirst