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Dive into the research topics where Tony Abou-Assaleh is active.

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Featured researches published by Tony Abou-Assaleh.


computer software and applications conference | 2004

N-gram-based detection of new malicious code

Tony Abou-Assaleh; Nick Cercone; Vlado Keselj; Ray Sweidan

The current commercial anti-virus software detects a virus only after the virus has appeared and caused damage. Motivated by the standard signature-based technique for detecting viruses, and a recent successful text classification method, we explore the idea of automatically detecting new malicious code using the collected dataset of the benign and malicious code. We obtained accuracy of 100% in the training data, and 98% in 3-fold cross-validation.


canadian conference on artificial intelligence | 2002

Relaxed Unification - Proposal

Tony Abou-Assaleh; Nick Cercone

The traditional unification is strict in the sense that it requires a perfect agreement between the terms being unified. In practice, data is seldom error-free and can contain incorrect information. Traditional unification fails when the data is imperfect. We propose relaxed unification as a new theory that relaxes the constraints of the traditional unification. The goal of relaxed unification is to tolerate possible errors and inconsistencies in the data and facilitate reasoning under uncertainty.


Applied Mathematics Letters | 2003

Relaxed unification - Proposal

Tony Abou-Assaleh; Nick Cercone

Classical unification is strict in the sense that it requires a perfect agreement between the terms being unified. In practice, data is seldom error-free and can contain incorrect information. Classical unification fails when the data is imperfect. Fuzzy unification partially addresses uncertainty but requires the creation of fuzzy databases. We propose relaxed unification as a new theory that relaxes the constraints of classical unification without requiring special preprocessing of data. The goal of relaxed unification is to tolerate possible errors and inconsistencies in the data and facilitate reasoning under uncertainty.


computer software and applications conference | 2005

A probabilistic evaluation function for relaxed unification

Tony Abou-Assaleh; Nick Cercone; Vlado Keselj

Classical unification is strict in the sense that it requires a perfect agreement between the terms being unified. In practise, data are seldom error-free and can contain incorrect information. Classical unification fails when the data are imperfect. Relaxed unification is a new formalism that relaxes the rigid constraints of classical unification and enables reasoning under uncertainty and in the presence of inconsistent data. We propose a probabilistic evaluation function to evaluate the degree of mismatches in relaxed terms and illustrate its use with an example.


international syposium on methodologies for intelligent systems | 2003

Towards the Theory of Relaxed Unification

Tony Abou-Assaleh; Nick Cercone; Vlado Keselj

Classical unification requires a perfect agreement between the terms being unified. In practice, data is seldom error-free and can contain inconsistent information. Classical unification fails when the data is imperfect. We propose the Theory of Relaxed Unification as a new theory that relaxes the constraints of classical unification without requiring special pre-processing of data. Relaxed unification tolerates possible errors and inconsistencies in the data and facilitate reasoning under uncertainty. The Theory of Relaxed Unification is more general and has higher efficacy than the classical Theory of Unification. We present the fundamental concepts and an algorithm for relaxed unification.


conference on privacy, security and trust | 2004

Detection of New Malicious Code Using N-grams Signatures.

Tony Abou-Assaleh; Nick Cercone; Vlado Keselj; Ray Sweidan


text retrieval conference | 2005

DalTREC 2005 QA System Jellyfish: Mark-and-Match Approach to Question Answering

Tony Abou-Assaleh; Nick Cercone; Jon Doyle; Vlado Keselj; Chris Whidden


Archive | 2003

EXPRESSING PROBABILISTIC CONTEXT-FREE GRAMMARS IN THE RELAXED UNIFICATION FORMALISM

Tony Abou-Assaleh; Nick Cercone


Archive | 2008

Probabilistic relaxed unification formalism and its application in question answering

Tony Abou-Assaleh


Archive | 2007

DalTREC 2007 QA System Jellyfish: Experiments with Integration of Lucene and GATE, and Improved Usage of WordNet and Qrel

Tony Abou-Assaleh; Chris Whidden; Vlado Keselj; Hathai Tanta-ngai; Nick Cercone

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