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Dive into the research topics where Allel Hadjali is active.

Publication


Featured researches published by Allel Hadjali.


european semantic web conference | 2015

Cooperative Techniques for SPARQL Query Relaxation in RDF Databases

Géraud Fokou; Stéphane Jean; Allel Hadjali; Mickaël Baron

This paper addresses the problem of failing


IEEE Conf. on Intelligent Systems (1) | 2015

An Intelligent Flexible Querying Approach for Temporal Databases

Aymen Gammoudi; Allel Hadjali; Boutheina Ben Yaghlane


2015 12th International Symposium on Programming and Systems (ISPS) | 2015

Combining skyline and multi-criteria decision methods to enhance Web services selection

Abdelaziz Ouadah; Karim Benouaret; Allel Hadjali; Fahima Nader

\mathtt {RDF}


international syposium on methodologies for intelligent systems | 2014

Endowing Semantic Query Languages with Advanced Relaxation Capabilities

Géraud Fokou; Stéphane Jean; Allel Hadjali


Knowledge and Information Systems | 2017

Handling failing RDF queries: from diagnosis to relaxation

Géraud Fokou; Stéphane Jean; Allel Hadjali; Mickaël Baron

queries. Query relaxation is one of the cooperative techniques that allows providing users with alternative answers instead of an empty result. While previous works on query relaxation over


international conference information processing | 2016

Efficient Skyline Maintenance over Frequently Updated Evidential Databases

Sayda Elmi; Mohamed Anis Bach Tobji; Allel Hadjali; Boutheina Ben Yaghlane


conference digital economy | 2016

Object-relational implementation of evidential databases

Fatma Ezzahra Bousnina; Sayda Elmi; Mohamed Anis Bach Tobji; Mouna Chebbah; Allel Hadjali; Boutheina Ben Yaghlane

\mathtt {RDF}


international conference information processing | 2016

Argumentation Framework Based on Evidence Theory

Ahmed Samet; Badran Raddaoui; Tien-Tuan Dao; Allel Hadjali


International Journal of Approximate Reasoning | 2018

Skyline queries over possibilistic RDF data

Amna Abidi; Sayda Elmi; Mohamed Anis Bach Tobji; Allel Hadjali; Boutheina Ben Yaghlane

data have focused on defining new relaxation operators, we investigate in this paper techniques to find the parts of an


conference digital economy | 2017

Skyline Operator over Tripadvisor Reviews Within the Belief Functions Framework

Fatma Ezzahra Bousnina; Sayda Elmi; Mouna Chebbah; Mohamed Anis Bach Tobji; Allel Hadjali; Boutheina Ben Yaghlane

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Stéphane Jean

École nationale supérieure de mécanique et d'aérotechnique

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Mickaël Baron

École nationale supérieure de mécanique et d'aérotechnique

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