Search Results for author: Brahim Hnich

Found 5 papers, 1 papers with code

Obsolete Personal Information Update System for the Prevention of Falls among Elderly Patients

no code implementations20 Jan 2021 Salma Chaieb, Brahim Hnich, Ali Ben Mrad

We conduct a thorough empirical study for such a model on an elderly personal information base.

Data Obsolescence Detection in the Light of Newly Acquired Valid Observations

no code implementations18 Jan 2021 Salma Chaieb, Brahim Hnich, Ali Ben Mrad

Since we work within an uncertain environment characterized by the lack of information, we choose to use a Bayesian network as our representation model and propose a new approximate concept, $\epsilon$-Contradiction.

valid

A Commentary on "Breaking Row and Column Symmetries in Matrix Models"

no code implementations3 Oct 2019 Alan M. Frisch, Brahim Hnich, Zeynep Kiziltan, Ian Miguel, Toby Walsh

The CP 2002 paper entitled "Breaking Row and Column Symmetries in Matrix Models" by Flener et al. (https://link. springer. com/chapter/10. 1007%2F3-540-46135-3_31) describes some of the first work for identifying and analyzing row and column symmetry in matrix models and for efficiently and effectively dealing with such symmetry using static symmetry-breaking ordering constraints.

Piecewise linear approximations of the standard normal first order loss function

1 code implementation5 Jul 2013 Roberto Rossi, S. Armagan Tarim, Steven Prestwich, Brahim Hnich

When the random variable of interest is normally distributed, the first order loss function can be easily expressed in terms of the standard normal cumulative distribution and probability density function.

Optimization and Control Probability

Confidence-based Reasoning in Stochastic Constraint Programming

no code implementations9 Oct 2011 Roberto Rossi, Brahim Hnich, S. Armagan Tarim, Steven Prestwich

In this work we introduce a novel approach, based on sampling, for finding assignments that are likely to be solutions to stochastic constraint satisfaction problems and constraint optimisation problems.

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