Allel HADJALI
Allel HADJALI
Professeur des Universités

email : allel.hadjali@ensma.fr
tél : 0549498060
tutelle: ISAE - ENSMA
adresse : ISAE-ENSMA, 1 avenue Clément Ader BP 40109, 86961 Chasseneuil - France
équipe : Ingénierie des Données et des Modèles
Enseignement
I am Professor in Computer Science at Engineer School ENSMA (https://www.ensma.fr/), Poitiers.

I am responsible and I teach the following courses:
  • Formal aspects of software engineering (Master 2 course)
  • Language interpretations and compilation
  • Programming languages
  • Data management and exploitation

In the past, as Associate Professor, I have taught the following courses:
  • Object modeling and programming
  • Distributed algorithms and systems
  • Foundations of operating systems
  • Advanced databases: Preferences and uncertainty (Master 2 course)
  • Language theory and compilation
  • Data structures, algorithmic and programming languages
  • Dynamic/Linear/Non-Linear programming
  • Operation research
  • Intelligent systems and soft computing (Master 2 course)
Recherche

My scientific research falls with the data science domain, more particularly; my topics of interest are related to the Exploitation, Extraction and Recommendation (E2R). Data of interest include semantic data, engineering/scientific data, multisensor data, etc.

My current research interests are focusing on applying Computational Intelligence and Soft Computing in:
  • Massive Data Exploitation and Analysis:
    • Querying data in a flexible way (Skyline queries, Gradual queries, Bipolar queries, etc.)
    • Modeling and querying uncertain/incomplete data
    • Cooperative answering (Query relaxation, Providing Enriched answers, Why-not questions, etc.)
    • Data reduction (Linguistic Summaries)
  • Recommendation:
    • Learning-based recommendation
    • Group recommendation
  • Extraction:
    • Mining gradual patterns
Others research topics of interests are:

  • Data quality (Quality indicators, Data repairing)
  • Intelligent systems (Computational intelligence techniques in decision making)
  • Crowdsourced data managment (Quality control, answer aggregation)

Past Research Interests:

  • Inference Systems in Artificial Intelligence
  • Commonsense Reasoning with Applications to Artificial Intelligence and Information Systems

Current Project

New Events

Curriculum Vitae

See my curriculum Vitae: MyCV

Publications
(175)
par type
par année
Ouvrages individuels ou collectifs
(7)
AMNA ABIDI, Mohamed Anis Bach Tobji, Allel HADJALI, Boutheina Ben Yaghlane, Statistical Methods for Use in Analysis of Trust-Skyline Sets, Enterprise Information Systems (EIS 2018), 321, LNBIP 321, edited by Springer , 2018, pp. 1-15
Grégory Smits, Olivier PIVERT, Allel HADJALI, Fuzzy Cardinalities as a Basis to Cooperative Answering, Flexible Approaches in Data, Information and Knowledge Management (SCI), 497, Studies in Computational Intelligence, edited by Springer, 2013, pp. 261-289
Patrick BOSC, Allel HADJALI, Olivier PIVERT, An approach based on predicate correlation to the reduction of plethoric answers sets, Advances in Knowledge Discovery and Management (AKDM10), Studies in Computational Intelligence, edited by Springer, 2010, pp. 215-236
Patrick BOSC, Allel HADJALI, Olivier PIVERT, Overabundant answers to flexible queries – A proximity-based intensification approach, Uncertainty and Intelligent Information Systems (UIIS08), edited by World Scientific Publishing, 2008, pp. 273-287
Patrick BOSC, Allel HADJALI, Olivier PIVERT, On the versatility of fuzzy sets for modelling flexible queries, Handbook of Research on Fuzzy Information Processing in Databases (FIP08), edited by Idea Group Inc, 2008, pp. 143-164
Didier DUBOIS, Allel HADJALI, Henri PRADE, Granular computing with fuzzy closeness and negligibility relations, Data Mining, Rough Sets and Granular Computing (LY. Lin, Y. Lao, L.A. Zadeh, Edts.) (DMRS02), Studies in Fuzziness and soft Computing, edited by Springer-Verlag Group, 2002, pp. 290-307
Didier DUBOIS, Allel HADJALI, Henri PRADE, Fuzzy qualitative reasoning with words, Computing with Words (P.P. Wang, Edt.) (CW01), Volume III in a Series of books on Intelligent Systems (J. Albus, A. Meystel, L.A. Zadeh, Series Editors), edited by John wiley & Son, 2001, pp. 347-366
Revues Internationales
(33)
Mohamed HADDACHE, Allel HADJALI, Hamid Azzoune, Skyline Refinement Exploiting Fuzzy Formal Concept Analysis (to appear), International Journal of Intelligent Computing and Cybernetics (IJICC 2021), 2021
Khedidja BOULANOUAR, Allel HADJALI, MOHAND LAGHA, Data Summarization for Sensor Data Management: Towards Computational-Intelligence-Based Approaches, International Journal of Computing and Digital Systems, vol. 10, 2020, pp. 1--9
Chourouk BELHEOUANE, Stéphane JEAN, Hamid Azzoune, Allel HADJALI, Cooperative treatment of failing queries over uncertain databases: a matrix-computation-based approach, Journal of Intelligent Information Systems (JIIS), vol. 52, 2019, pp. 211--238
Andrei Tchernykh, Allel HADJALI, A Special Issue on “Advanced Computing: From Theory to Practice”, Programming and Computer Software (PCS 2019), vol. 31, n. 2, 2019, pp. 7-13
Abdelaziz Ouadah, Allel HADJALI, Fahima Nader , Karim Benouaret, SEFAP: An Efficient Approach for Ranking Skyline Web Services, International Journal of Ambient Intelligence and Humanized Computing (AIHC19), February, 2019, pp. 1-17
Djamal BELKASMI, Allel HADJALI, Hamid Azzoune, On fuzzy approaches for enlarging skyline query results, Applied Soft Computing (ASC2019), vol. 74, 2019, pp. 51--65
Allel HADJALI, Mezni, Haithem, Aridhi, Sabeur, Andrei Tchernykh, Special issue on "Uncertainty in Cloud Computing: Concepts, Challengesand Current Solutions", International Journal of Approximate Reasoning (IJAR 2019), vol. 111, 2019, pp. 53--55
Ibrahim DELLAL, Stéphane JEAN, Allel HADJALI, Brice CHARDIN, Mickael BARON, Query Answering over Uncertain RDF Knowledge Bases: Explain and Obviate Unsuccessful Query Results, Knowledge and Information Systems (KAIS 2019), 2019https://link.springer.com/epdf/10.1007/s10115-019-01332-7?author_access_token=lExN4OsYXX-bNMLnRnCUbve4RwlQNchNByi7wbcMAY57PVGTz5Aw-qHPNWgKlNE5k9cPkGRnrTvdPWit7ryoocRuzGZavIr7VGMaufJ_d8pQh4Jxvqf6J_xGdHR-oeEijByg5yCMRmxKQkMt6su7cA%3D%3Dhttps://link.springer.com/epdf/10.1007/s10115-019-01332-7?author_access_token=lExN4OsYXX-bNMLnRnCUbve4RwlQNchNByi7wbcMAY57PVGTz5Aw-qHPNWgKlNE5k9cPkGRnrTvdPWit7ryoocRuzGZavIr7VGMaufJ_d8pQh4Jxvqf6J_xGdHR-oeEijByg5yCMRmxKQkMt6su7cA%3D%3D
Mezni, Haithem, Aridhi, Sabeur, Allel HADJALI, The uncertain cloud: State of the art and research challenges, International Journal of Approximate Reasoning (IJAR2018), vol. 103, 2018, pp. 139--151
AMNA ABIDI, Saida ELMI, Mohamed Anis BACH TOBJI, Allel HADJALI, Boutheina Ben Yaghlane, Skyline queries over possibilistic RDF data, International Journal of Approximate Reasoning (IJAR), vol. 93, 2018, pp. 277-289
Allel HADJALI, Eric Lefevre, SI on Fuzzy Logic and its Applications (LFA 2015), Fuzzy Sets Systems (FSS 2018), vol. 343, 2018, pp. 1--2
Karim Benouaret, Dimitris Sacharidis , Djamal Benslimane, Allel HADJALI, Selecting Services for Multiple Users: Let''s Be Democratic, IEEE Transactions on Services Computing (IEEE TSC2018), 2018
Aymen GAMMOUDI, Allel HADJALI, Boutheina Ben Yaghlane, Fuzz-TIME: an intelligent system for managing fuzzy temporal information, International Journal of Intelligent Computing and Cybernetics (IJICC 2017), vol. 10, n. 2, 2017, pp. 200--222
Saida ELMI, Mohamed Anis Bach Tobji, Allel HADJALI, Boutheina Ben Yaghlane, Selecting skyline stars over uncertain databases: Semantics and refiningmethods in the evidence theory setting, Applied Soft Computing (ASC 2017), vol. 57, 2017, pp. 88--101
Zahira CHOUIREF, Abdelkader Belkhir, Karim Benouaret, Allel HADJALI, A Fuzzy Framework for Efficient User-Centric Web Service Selection, International Journal of Applied Soft Computing (ASOC16), vol. 4, n. 1, 2016, pp. 51-65
Géraud FOKOU, Stéphane JEAN, Allel HADJALI, Mickael BARON, Handling Failing RDF Queries: From Diagnosis to Relaxation, Knowledge and Information Systems (KAIS 2016), March, 2016, pp. 167-19521368/KAIS2015.pdf
Didier DUBOIS, Allel HADJALI, Henri PRADE, Faycal TOUAZI, Corrigendum 'Database Preference Queries - A Possibilistic Logic Approach with Symbolic Priorities', Annals of Mathematics and Artificial Intelligence (AMAI15), 2015
Karim Benouaret, Djamal Benslimane, Allel HADJALI, Mahmoud Barhamgi, Zakaria MAAMAR, Quan Sheng, Web Service Compositions with Fuzzy Preferences: A Graded Dominance Relationship Based Approach, ACM Transactions on Internet Technology (TOIT 2013), vol. 13, n. 4, 2014
Zahira CHOUIREF, Abdelkader Belkhir, Allel HADJALI, Advanced Profile Similarity to Enhance Semantic Web Services Matching, International Journal of Recent Contributions from Engineering, Science & IT (IJRCE), vol. 1, 2013
Allel HADJALI, Amine MOKHTARI, Olivier PIVERT, On a fuzzy-rule-based model for handling contextual preference queries, International Journal of Computational Intelligence Systems (IJCIS 2012), vol. 5, 2012
Allel HADJALI, Amine MOKHTARI, Olivier PIVERT, Expressing and processing complex preferences in route planning queries: Towards a fuzzy-set-based approach, Fuzzy Sets and Systems (FSS 2012), vol. 196, 2012
Patrick BOSC, Guy DE TRE, Jozo DUJMOVIC, Allel HADJALI, Olivier PIVERT, Rita Ribeiro, Sławomir Zadrożny, On Advances in Soft Computing Applied to Database and Information Systems, Fuzzy Sets and Systems (FSS 2012), vol. 196, 2012, pp. 1-6
Allel HADJALI, Souhila KACI, Henri PRADE, Database preference queries - A possibilistic logic approach with symbolic priorities, Journal of Annals of Mathematics and Artificial Intelligence (AMAI), vol. 63, 2011
Karim Benouaret, Djamal Benslimane, Allel HADJALI, A Fuzzy Framework For Selecting Top-k Web Service Compositions, Applied Computing Review (ACR 2011), vol. 11, n. 3, 2011, pp. 32-40
Patrick BOSC, Allel HADJALI, Olivier PIVERT, An approach to competitive conditional preferences for database flexible querying, International Journal of Intelligent Systems (IJIS 2011), vol. 26, 2011, pp. .206-227
Zohra Bellahsene, Salima Benbernou, Carmen BRANDO, Olivier PIVERT, Farouk TOUMANI, Stéphane Bernard, Pierre COLOMB, R COLETTA, Emmanuel COQUERY, Fabien DE MARCHI, Fabien DUCHATEAU, Allel HADJALI, Mathieu ROCHE, FORUM: A Flexible Data Integration System Based on Data Semantics, SIGMOD Record (Sigmod10 2010), vol. 11-18, 2010, pp. 13-20
Patrick BOSC, Allel HADJALI, Olivier PIVERT, Incremental controlled relaxation of failing flexible queries, Journal of Intelligent Information Systems (IJIS09a), vol. 3, 2009
Patrick BOSC, Allel HADJALI, Gabriella PASI, Flexible queries in information systems, Journal of Intelligent Information Systems (IJIS09), vol. 3, 2009
Patrick BOSC, Allel HADJALI, Olivier PIVERT, Empty versus overabundant answers to flexible queries, Fuzzy sets and Systems Journal (FSS08), vol. 159, 2008, pp. 1450-1467
Patrick BOSC, Allel HADJALI, Olivier PIVERT, Weakening of fuzzy relational queries: An absolute proximity relation-based approach, Journal of Mathware & Soft Computing (JMSC), vol. 14, 2007, pp. 33-55
Didier DUBOIS, Allel HADJALI, Henri PRADE, A possibility theory-based approach to the handling of uncertain relations between temporal points, International Journal of Intelligent Systems (IJIS07), vol. 22, 2007, pp. 157-179
Didier DUBOIS, Allel HADJALI, Henri PRADE, Fuzziness and uncertainty in temporal reasoning, Journal of Universal Computer Science (JUCS 2003), vol. 9, 2003, pp. 1168-1194
Allel HADJALI, Didier DUBOIS, Henri PRADE, Qualitative reasoning based on fuzzy relative orders of magnitude, IEEE Transactions on Fuzzy Systems (TFS03), vol. 11, 2003, pp. 9-23
Revues Nationales
(4)
Ibrahim DELLAL, Stéphane JEAN, Allel HADJALI, Brice CHARDIN, Mickael BARON, Traitement coopératif des requêtes RDF dans le contexte des bases de connaissances incertaines, Document numerique (RevDOCNUM2018), vol. 21, 2018, pp. 9--3531635/Revue_DOCNUM_2018.pdf
Ludovic LIETARD, Allel HADJALI, Daniel ROCACHER, Une définition pour un modèle QCL graduel, Revue d'Intelligence Artificielle (RIA15), vol. 5, 2015, pp. 543-567
Katia ABBACI, Fernando LEMOS, Allel HADJALI, Daniela GRIGORI, Ludovic LIETARD, Daniel ROCACHER, Mokrane BOUZEGHOUB, Traitement des préférences dans le contexte de découverte de services Web : Une Approche Fondée sur les Ensembles Flous, Ingénierie des Systèmes d'Information (ISI12), vol. 17, n. 5, 2012, pp. 35-56
Patrick BOSC, Allel HADJALI, Olivier PIVERT, La notion de division tolérante et son intérêt pour remédier aux réponses vides, Ingénierie des Systèmes d'Information (ISI08), vol. 13, 2008, pp. 131-154
Conférences Internationales
(102)
Chayma SELLAMI, Mickael BARON, Mounir BECHCHI, Allel HADJALI, Stéphane JEAN, Dominique CHABOT, Towards a Unified Framework for Computational Trust and Reputation Models for e-Commerce Applications., The Fifteenth International Conference on Research Challenges in Information Science (RCIS 2021), 2021
Mickael BARON, Mounir BECHCHI, Allel HADJALI, Stéphane JEAN, Dominique CHABOT, Towards a Unified Framework for Computational Trust and Reputation Models for e-Commerce Applications., The Fifteenth International Conference on Research Challenges in Information Science (RCIS 2021), 2021
Nour El Imane HAMDA, MOHAND LAGHA, Allel HADJALI, Mathematical Methods for Data Fusion in IoT: A Survey, roc. of the International Conference on Advanced Intelligent Systems for Sustainable Development (AI2SD 2020), 2020
Houssameddine YOUSFI, Amin MESMOUDI, Allel HADJALI, Houcine MATALLAH, Fedoua LAHFA, Efficient R-tree Exploration for Big Spatial Data, roc. of the International Conference on Advanced Intelligent Systems for Sustainable Development (AI2SD 2020), 2020
Khames WALID, Allel HADJALI, MOHAND LAGHA, Skyline Computation On Multicore Architectures: A Survey, Proc. of the International Conference on Data Analytics for Business and Industry (ICDABI 2020), 2020
Rachid DJERBI, Allel HADJALI, Mourad AMAD, Rabah IMACHE, Mohamed Tahar BENNAI, Social context based non-overlapping communities’ detection model in social networks, roc. of the International Conference on Advanced Intelligent Systems for Sustainable Development (AI2SD 2020), 2020
Khedidja BOULANOUAR, Allel HADJALI, MOHAND LAGHA, Hybrid Approach For Linguistic Summarization of Time Series, Proc. of the International Conference on Data Analytics for Business and Industry (ICDABI 2020), 2020
Chayma SELLAMI, Mickael BARON, Mounir BECHCHI, Allel HADJALI, Stéphane JEAN, Dominique CHABOT, A Hybrid Learning-Based Model for Wine Recommendation, Workshop on Bandit and Reinforcement Learning from User Interactions in conjunction with the 14th ACM Conference on Recommender Systems (RecSys 2020) (REVEAL 2020), 2020
Mohammed SADOU, Yassine DJOUADI, Allel HADJALI, Modal Interpretation of Formal Concept Analysis for Incomplete Representations, International Conference on Scalable Uncertainty Management (SUM 2020), Lecture Notes in Artificial Intelligence , edited by Jesse Davis, Karim Tabia, edited by Springer, 2020, pp. 261-269
Mohamed HADDACHE, Allel HADJALI, Hamid Azzoune, Concept Dissimilarity Based Approach for Skyline Relaxation, International Conference on Advanced Aspects of Software Engineering (ICAASE 2020), University Abdelhamid Mehri, 2020
Mohamed HADDACHE, Allel HADJALI, Hamid Azzoune, A Formal-Concept-Lattice Driven Approach for Skyline Refinement, 32nd International Conference on Industrial, Engineering and OtherApplications of Applied Intelligent Systems (IEA/AIE 2019), edited by Springer, 2019, pp. 541--554
Mohamed HADDACHE, Allel HADJALI, Hamid Azzoune, Reducing Skyline Query Results: An Approach Based on Fuzzy Satisfactionof Concepts, Flexible Query Answering Systems - 13th International Conference (FQAS 2019), edited by Springer, 2019, pp. 191--202
AMNA ABIDI, Mohamed Anis BACH TOBJI, Allel HADJALI, Boutheina Ben Yaghlane, A General Framework for Querying Possibilistic RDF Data, International Conference on Tools with Artificial Intelligence (ICTAI), 2375-0197, edited by IEEE, 2018, pp. 158-162
Sana NADOURI, Zaidi SAHNOUN, Allel HADJALI, Using G-skyline to improve Decision-Making, The 3rd Edition of the International Conference on Advanced Aspects of Software Engineering (ICAASE 2018), 2018
Sana NADOURI, Yassine OUHAMMOU, Zaidi SAHNOUN, Allel HADJALI, Towards a multi-agent approach for distributed decision support systems, 27th IEEE International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE 2018), edited by IEEE, edited by IEEE, 2018, pp. 6
Fatma Ezzahra Bousnina, Mohamed Anis BACH TOBJI, Mouna Chebbah, Allel HADJALI, Boutheina Ben Yaghlane, Evidential Top-k Queries Evaluation: Algorithms and Experiments, 18th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU 2018), 2018, pp. 407-417
Noussaiba BENADJIMI, Khaled-Walid Hidouci, Allel HADJALI, On Hash Bipolar Division: An Enhanced Processing of Novel and Conventional Forms of Bipolar Division, 18th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU 2018), 2018, pp. 749-761
Chourouk BELHEOUANE, Stéphane JEAN, Brice CHARDIN, Allel HADJALI, Hamid Azzoune, Borders of Theories for Cooperative Querying over Uncertain Databases, IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2018), 201829515/FUZZIEEE2018.pdf
Abdelaziz Ouadah, Allel HADJALI, Fahima Nader , Karim Benouaret, An Improved Fuzzy Analytical Hierarchy Process for K-Representative Skyline Web Services Selection, International Symposium on Modelling and Implementation of Complex Systems (MISC 2018), Springer, 2018, pp. 312--328
AMNA ABIDI, Mohamed Anis BACH TOBJI, Allel HADJALI, Boutheina Ben Yaghlane, Statistical Methods for Use in Analysis of Trust-Skyline Sets (Revised Selected Papers), Proceedings of the 19th International Conference on Enterprise Information Systems (ICEIS) (Revised Selected Papers) (ICEIS 2017), 2017, pp. 413-427
Chourouk BELHEOUANE, Stéphane JEAN, Allel HADJALI, Hamid Azzoune, Handling failing queries over uncertain databases, IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2017), 2017, pp. 1-6
AMNA ABIDI, Mohamed Anis BACH TOBJI, Allel HADJALI, Boutheina Ben Yaghlane, Skyline Modeling and Computing over Trust RDF Data, , 19th International Conference on Enterprise Information Systems (ICEIS 2017), edited by Springer, INSTICC, 2017, pp. 634-643
Ibrahim DELLAL, Stéphane JEAN, Allel HADJALI, Brice CHARDIN, Mickael BARON, On Addressing the Empty Answer Problem in Uncertain Knowledge Bases, Database and Expert Systems Applications (DEXA 2017), vol. 10438, LNCS, edited by Springer, 2017, pp. 120-12927034/DEXA_SHORT_2017.pdf
Fayçal-Rédha SAIDANI, Allel HADJALI, Idir RASSOUL, Djamal BELKASMI, Skyline-Based Feature Selection for Polarity Classification in Social Networks, Database and Expert Systems Applications (DEXA 2017), vol. 10438, LNCS, edited by Springer, 2017
Fatma Ezzahra BOUSNINA, Saida ELMI, Mouna Chebbah, Mohamed Anis BACH TOBJI, Allel HADJALI, Boutheina Ben Yaghlane, Skyline Operator over Tripadvisor Reviews Within the Belief Functions Framework, International Conference on Digital Economy (ICDEc), Lecture Notes in Business Information Processing, edited by Springer, 201731552/ICDEc2017Final.pdf
Fatma Ezzahra BOUSNINA, Mouna Chebbah, Mohamed Anis BACH TOBJI, Allel HADJALI, Boutheina Ben Yaghlane, On Top-K Queries Over Evidential Data, 19th International Conference on Enterprise Information Systems (ICEIS 2017), edited by Springer, INSTICC, 201731544/ICEIS.pdf
AMNA ABIDI, Nassim BAHRI, Mohamed Anis BACH TOBJI, Allel HADJALI, Boutheina Ben Yaghlane, First Steps Towards an Electronic Meta-journal Platform Based on Crowdsourcing, International Conference on Digital Economy (ICDEc), Lecture Notes in Business Information Processing, edited by Springer, 2017, pp. 175-185
Saida ELMI, Mohamed Anis BACH TOBJI, Allel HADJALI, Boutheina Ben Yaghlane, Efficient Skyline Maintenance over Frequently Updated Evidential Databases, International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU 2016), 2016
Djamal BELKASMI, Allel HADJALI, Hamid Azzoune, Making the Skyline Larger: A Fuzzy-Neighborhood-Based Approach, International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU 2016), 2016
Ahmed Samet, Badran RADDAOUI, Tien Tuan Dao, Allel HADJALI, Argumentation Framework based on Evidence Theory, International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU 2016), 2016
Aymen GAMMOUDI, Allel HADJALI, Boutheina Ben Yaghlane, Modelling Temporal Relations between Fuzzy Time Intervals: A Disjunctive View , IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2016), 2016
Mohamed HADDACHE, Djamal BELKASMI, Allel HADJALI, Hamid Azzoune, An Outranking-Based Approach for Skyline Refinement, 8th IEEE International Conference on Intelli­gent Systems (IEEE-IS16), 2016
Zied BEN OTHMANE, Allel HADJALI, Group Formation with Incomplete Profiles, 12th International Conference on SIGNAL IMAGE TECHNOLOGY and INTERNET BASED SYSTEMS (SITIS2016), Workshop: on Numerical Algorithms and Methods for Data Analysis and Classification (NAMDAC) (SITIS 2016), 2016
Nessrine EL HADJ SALEM, Allel HADJALI, Aymen GAMMOUDI, Boutheina Ben Yaghlane, An Evidential Approach for Managing Temporal Relations Uncertainty, 8th International Conference on Computational Collective Inteligence (ICCCI 2016), Halkidiki, Greece, 28-30 October (ICCCI16), 2016
Aymen GAMMOUDI, Allel HADJALI, Boutheina Ben Yaghlane, An Advanced Tool for Managing Fuzzy Complex Temporal Information, 4th International Conference of Artificial Intelligence, Soft Computing (AISC 2016), Computer Science & Information Technology (CS & IT), edited by Computer Science Conference Proceedings , 2016
Géraud FOKOU, Stéphane JEAN, Allel HADJALI, Mickael BARON, RDF Query Relaxation Strategies Based on Failure Causes (Best Research Paper Award), 13th International Extented Semantic Web Conference, Heraklion, Greece (ESWC16), 2016, pp. 439-45421268/ESWC2016_FOKOU_ET_AL_CAMERA_READY.pdf
Saida ELMI, Allel HADJALI, Mohamed Anis BACH TOBJI, Boutheina Ben Yaghlane, Efficient Distributed Skyline over Imperfect Data Modeled by the Evidence Theory, The 28th IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2016), 2016
Saida ELMI, Allel HADJALI, Mohamed Anis BACH TOBJI, Boutheina Ben Yaghlane, Imperfect Top-k Skyline Query with Confidence Level. , The 13th ACS/IEEE International conference on computer systems and Applications (AICCSA 2016), 2016
Fatma Ezzahra BOUSNINA, Saida ELMI, Mohamed Anis BACH TOBJI, Mouna Chebbah, Allel HADJALI, Boutheina Ben Yaghlane, Object-relational implementation of evidential databases, International Conference on Digital Economy (ICDEc 2016), 201631535/ICDEc2016.pdf
Fatma Ezzahra Bousnina, Saida ELMI, Mohamed Anis BACH TOBJI, Mouna Chebbah, Allel HADJALI, Boutheina Ben Yaghlane, Object-relational implementation of evidential databases, International Conference on Digital Economy (ICDEc 2016), 2016, pp. 80--87
Abir AMAMI, Zied ELOUEDI, Allel HADJALI, A Clustering Based Approach for Query Relaxation in Evidential Databases, The 13th ACS/IEEE International conference on computer systems and Applications (AICCSA 2016), 2016
Abdelkader ALEM, Youcef DAHMANI, Allel HADJALI, On the Use of Belief Functions to Improve High Performance Intrusion Detection System, 12th International Conference on SIGNAL IMAGE TECHNOLOGY and INTERNET BASED SYSTEMS (SITIS2016), Workshop: on Numerical Algorithms and Methods for Data Analysis and Classification (NAMDAC) (SITIS 2016), 2016
Djamal BELKASMI, Allel HADJALI, Hamid Azzoune, Relaxation des Requêtes Skyline : Une Approche Centrée Utilisateur, 16ème Conférence Internationale sur l'Extraction et la Gestion des Connaissances (EGC 2016), 2016, pp. 357-362
Dalila KOULOUGLI, Allel HADJALI, Idir RASSOUL, Leveraging Human Factors to Enhance Query Answering in Crowdsourcing Systems, 10th IEEE International Conference on Research Challenges in Information Science (RCIS 2016), edited by IEEE, 2016
Dalila KOULOUGLI, Allel HADJALI, Idir RASSOUL, Query Answering in Crowdsourcing Systems: A Belief Functions-Based Approach, North American Fuzzy Information Processing Society (NAFIPS 2016), 2016
Aymen GAMMOUDI, Allel HADJALI, Boutheina Ben Yaghlane, A Fuzzy Tolerance-Based Semantics of Allen Temporal Relations: First Steps, 7th International Conference on Computational Collective Intelligence Technologies and Applications ICCCI, Madrid, Spain (ICCCI15), Vol. 9329, edited by Springer, 2015, pp. 453-462
Abdellah Kouider El Ouahed, Allel HADJALI, Hamid Azzoune, Putting together Skyline and Agent Paradigms to Efficiently Composing Web Services, 8th IEEE International Conference on Service Oriented Computing & Applications (SOCA 2015), Rome, Italy, 19-21 October (SOCA15), 2015
Yves MOUAFO TCHINDA, Zoe FAGET, Allel HADJALI, GoSim : A tool for flexible Preference-Driven Group Formation, The 30th ACM-Symposium On Applied Computing (ACM-SAC), Salamanca, Spain (ACM-SAC15), 2015
Djamal BELKASMI, Allel HADJALI, MP2R: A Human-Centric Skyline Relaxation Approach, International Conference on Flexible Query Answering Systems (FQAS15), 2015
Samia BOULKRINAT, Allel HADJALI, Aicha MOKHTARI, Crowd-Voting-Based Group Recommender Systems, 12th International Symposium on Programming and Systems (ISPS 2015), 2015
Mahmoud Hamiche, Allel HADJALI, Habiba Drias, A Strong-Dominance-Based Approach for Refining the Skyline, 12th International Symposium on Programming and Systems (ISPS 2015), 2015
Saida ELMI, Karim Benouaret, Allel HADJALI, Mohamed Anis BACH TOBJI, Boutheina Ben Yaghlane, Requêtes Skyline en présence des données évidentielles, 15ème Conférence Internationale sur l'Extraction et la Gestion des Connaissances (EGC 2015), 2015
Géraud FOKOU, Stéphane JEAN, Allel HADJALI, Mickael BARON, Cooperative Techniques for SPARQL Query Relaxation in RDF Databases, 12th Internationa Extended Semantic Web Conference, Portoroz, Slovenia (ESWC15), 2015, pp. 237-25218000/ESWC2015.pdf
Mourad Ouziri, Salima Benbernou, Naouel Karam , Allel HADJALI, Managing QoS Acceptability for Service Selection : A Probabilistic Description Logics Based Approach, The 28th International Description Logics Workshop (DL 2015), 2015
Abdelaziz Ouadah, Karim Benouaret, Allel HADJALI, Fahima Nader , Combining Skyline and Multi-Criteria Decision Methods to Enhance Web Services Selection, 12th International Symposium on Programming and Systems (ISPS 2015), 2015
Abdelaziz Ouadah, Karim Benouaret, Allel HADJALI, Fahima Nader , SkyAP-S3: A Hybrid Approach for Efficient Skyline Services Selection, 8th IEEE International Conference on Service Oriented Computing & Applications (SOCA 2015), Rome, Italy, 19-21 October (SOCA15), 2015
Géraud FOKOU, Stéphane JEAN, Allel HADJALI, Mickael BARON, QaRS: A User-Friendly Graphical Tool for Semantic Query Design and Relaxation (Demo Paper) , 18th International Conference on Extending Database Technology, Brussels, Belgium (EDBT 2015), 2015, pp. 553-556
Géraud FOKOU, Stéphane JEAN, Allel HADJALI, Endowing Semantic Query Languages with Advanced Relaxation Capabilities, 21st International Symposium on Methodologies for Intelligent Systems (ISMIS 2014), 2014
Zahira CHOUIREF, Karim Benouaret, Allel HADJALI, Abdelkader Belkhir, Making Web Services Selection more Customized: A Fuzzy-Logic-Theory-Based Approach, Phd Symposium, 12th International Conference on Service Oriented Computing ICSOC'14, Paris, France, November 3-6 (ICSOC14), 2014
Samia BOULKRINAT, Allel HADJALI, Aicha MOKHTARI, Handling Preferences Under Uncertainty in Recommender Systems, IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2014), 2014
Ludovic LIETARD, Allel HADJALI, Daniel ROCACHER, Towards a Gradual QCL Model for Database Querying, International Conference on Information Processing and Management of Uncertainty in Knwoledge-Based systems (IMPU14), 2014
Zahira CHOUIREF, Karim Benouaret, Allel HADJALI, Abdelkader Belkhir, Multi Matchmaking Approach for Semantic Web Services Selection based on Fuzzy Inference, 14th International Conference on Web Engineering ICWE'14, Toulouse, France (ICWE14), 2014
Aymen GAMMOUDI, Allel HADJALI, Boutheina Ben Yaghlane, An Intelligent Flexible Querying Approach for Temporal Databases, 7th International Conference on Intelligent Systems (IS14), Vol. 322, edited by Springer, 2014, pp. 523-534
Zahira CHOUIREF, Abdelkader Belkhir, Allel HADJALI, Enhancing Semantic Web Services Discovery Using Similarity of Contextual Profile, International Conference on Internet and Web Applications and Services (ICIW 2013), 2013
Samia BOULKRINAT, Allel HADJALI, Aicha MOKHTARI, Enhancing recommender systems prediction through qualitative preferences relations, International Symposuim on Programming and Suystems (ISPS 2013), 2013
Stéphane JEAN, Allel HADJALI, Ammar Mars, Towards a Cooperative Query Language for Semantic Web Database Queries (Short Paper), Move to Meaningful Internet Systems: OTM 2013 - Confederated International Conferences: CoopIS, DOA-SVI and ODBASE (ODBASE 2013), 2013
Samia BOULKRINAT, Allel HADJALI, Aicha MOKHTARI, Towards recommender systems based on a fuzzy preference aggregation, European Society for Fuzzy Logic and Technology (EUSFLAT13), 2013
Katia ABBACI, Allel HADJALI, Ludovic LIETARD, Daniel ROCACHER, A Linguistic Quantifier-Based Approach for Skyline Refinement, IFSA World Congress (IFSA13), 2013, pp. 321-326
Saida ELMI, Karim Benouaret, Allel HADJALI, Mohamed Anis BACH TOBJI, Boutheina Ben Yaghlane, Computing Skyline from Evidential Data, International Conference on Scalable Uncertainty Management (SUM 2013), 2013
Zahira CHOUIREF, Allel HADJALI, Abdelkader Belkhir, A New Similarity Measure to Improve the Discovery of Semantic Web Services Based on Profile, International Conference on Web and Information Technologies, Tunisia (ICWIT13), 2013
Karim Benouaret, Djamal Benslimane, Allel HADJALI, Selecting Skyline Web Services from Uncertain QoS, 9th International Conference on ServicesComputing (SCC 12), 2012
Soumaya Amdoun, Mahmoud Barhamgi, Allel HADJALI, Djamal Benslimane, Rim FAIZ, Parisa Ghodous, A Preference-Aware Query Model for Data Web Services, 31st International Conference on Conceptual Modeling (ER 2012) (ER-12), edited by Springer, 2012, pp. 409-422
Karim Benouaret, Djamal Benslimane, Allel HADJALI, WS-Sky: An Efficient and Flexible Framework for QoS-AwareWeb Service Selection, 9th International Conference on ServicesComputing (SCC 12), 2012
Karim Benouaret, Djamal Benslimane, Allel HADJALI, Selecting Skyline Web Data Services for Multiple Users Preferences, the 19th International Conference on Web Services (IEEE ICWS 2012) (ICWS12), 2012
Karim Benouaret, Dimitris Sacharidis , Djamal Benslimane, Allel HADJALI, Majority-Rule-Based Web Service Selection, WISE, 2012 (WISE12), 2012, pp. 689-695
Olivier PIVERT, Grégory Smits, Allel HADJALI, Carmen BRANDO, LUCIFER : Un système de détection de conflits dans les requêtes flexibles, 12e Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances (EGC 2012), 2012, pp. 617-620
Katia ABBACI, Fernando LEMOS, Allel HADJALI, Daniela GRIGORI, Ludovic LIETARD, Daniel ROCACHER, Mokrane BOUZEGHOUB, A Bipolar Approach to the Handling of User Preferences in Business Processes Retrieval, IPMU (IPMU12), 2012, pp. 400-409
Allel HADJALI, Olivier PIVERT, Henri PRADE, On different types of fuzzy skylines, 19th International Symposium on Methodologies for Intelligent Systems (ISMIS 2011), 2011, pp. 581-591
Karim Benouaret, Djamal Benslimane, Allel HADJALI, FuDoCS: A Web Service Composition System Based on Fuzzy Dominance for Preference Query Answering (Demo Track), 37th International Conference on Very Large Data Bases (VLDB 2011), 2011, pp. 1430-1433
Karim Benouaret, Djamal Benslimane, Allel HADJALI, On the use of fuzzy dominance for computing service skyline based on QoS, 9th IEEE International Conference on Web Services (ICWS11), 2011, pp. 540-547
Patrick BOSC, Allel HADJALI, Olivier PIVERT, On Possibilistic Skyline Queries, 9th International Conference on Flexible Query Answering Systems (FQAS2011), Vol 7022, edited by Springer, 2011, pp. 412-423
Karim Benouaret, Djamal Benslimane, Allel HADJALI, Top-k Web Service Compositions using Fuzzy Dominance Relationship, 8th IEEE International Conference on Services Computing (CSC 2011), 2011, pp. 140-151
Katia ABBACI, Allel HADJALI, Ludovic LIETARD, Daniel ROCACHER, A Similarity Skyline Approach for Handling Graph Queries - A Preliminary Report, 2nd International Workshop on Graph Data Management Techniques and Applications (GDM'11), in Conjunction with The IEEE International Conference on Data Engineering (ICDE) (GDM11), 2011, pp. 112-117
Olivier PIVERT, Allel HADJALI, Grégory Smits, Searching for a compromise between satisfaction and diversity in database fuzzy querying, 7th Conference of the European Society for Fuzzy Logic and Technology (EUSFLAT-2011) and “les rencontres francophones sur la Logique Floue et ses Applications” (LFA-2011), Aix-les-Bains, France (EUSFLAT11), 2011, pp. 402-408
Olivier PIVERT, Allel HADJALI, Grégory Smits, On database queries involving inferred fuzzy predicates, 19th International Symposium on Methodologies for Intelligent Systems (ISMIS 2011), 2011, pp. 592-601
Katia ABBACI, Fernando LEMOS, Allel HADJALI, Daniela GRIGORI, Ludovic LIETARD, Daniel ROCACHER, Mokrane BOUZEGHOUB, A Cooperative Answering Approach to Fuzzy Preferences Queries in Service Discovery, 9th International Conference on Flexible Query Answering Systems (FQAS2011), Vol 7022, edited by Springer, 2011, pp. 318-329
Katia ABBACI, Fernando LEMOS, Allel HADJALI, Daniela GRIGORI, Ludovic LIETARD, Daniel ROCACHER, Mokrane BOUZEGHOUB, Selecting and Ranking Business Process with Preferences: An Approach Based on Fuzzy Set, 19th International Conference on Cooperative Information Systems (COOPIS 2011), 2011, pp. 38-55
Katia ABBACI, Fernando LEMOS, Allel HADJALI, Daniela GRIGORI, Ludovic LIETARD, Daniel ROCACHER, Mokrane BOUZEGHOUB, An Approach Based on Fuzzy Sets to Handle Preferences in Service Retrieval, 13th IEEE Conference on Commerce and Enterprise Computing (CEC 2011), 2011, pp. 213-218
Olivier PIVERT, Grégory Smits, Allel HADJALI, Processing Fuzzy Queries in a Peer Data Management System Using Distributed Fuzzy Summaries, 5th International Conference on Scalability and Uncertainty Management (SUM'11), LNAI 6929 (SUM11), 2011, pp. 359–372
Allel HADJALI, Olivier PIVERT, A Fuzzy-Rule-Based Approach to the Handling of Inferred Fuzzy Predicates in Database Queries, 9th International Conference on Flexible Query Answering Systems (FQAS2011), Vol 7022, edited by Springer, 2011, pp. 448-459
Karim Benouaret, Djamal Benslimane, Allel HADJALI, Top-k web services compositions: A fuzzy-set-based approach, 26th ACM – Symp. on Applied Computing (SAC), Database Theory, Technology, and Applications Track (SAC11), 2011, pp. 1038-1043
Allel HADJALI, Patrick BOSC, Olivier PIVERT, Grégory Smits, Une approche fondée sur la corrélation entre prédicats pour le traitement des réponses pléthoriques, Actes de la 10éme Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances (EGC 2010), 2010, pp. 273-284
Patrick BOSC, Allel HADJALI, Olivier PIVERT, Grégory Smits, Trimming plethoric answers to fuzzy queries: an approach based on predicate correlation, 14th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU10), edited by E. Hullermeier, R. Kruse, and F. Hoffmann, 2010, pp. 595–604
Patrick BOSC, Allel HADJALI, Olivier PIVERT, Grégory Smits, On the use of fuzzy cardinalities for reducing plethoric answers to fuzzy queries, 4th International Conference on Scalability and Uncertainty Management (SUM'2010), Toulouse, France (SUM10), 2010, pp. 98-111
Allel HADJALI, Amine MOKHTARI, Olivier PIVERT, A fuzzy-rule-based approach to contextual preference queries, 14th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU10), edited by E. Hullermeier, R. Kruse, and F. Hoffmann, 2010, pp. 532–541
Olivier PIVERT, Allel HADJALI, Grégory Smits, Estimating the relevance of a data source using a fuzzy-cardinality-based summary, 6th IEEE International Conference on Intelligent Systems (IEEEIS10), 2010, pp. 96-101
Allel HADJALI, Olivier PIVERT, Henri PRADE, Possibilistic contextual skylines with incomplete preferences, 2nd International Conference on Soft Computing and Pattern Recognition (SoCPaR’10), Cergy-Pontoise, France (SocPar10), 2010, pp. 57-62
Olivier PIVERT, Hélène Jaudoin, Carmen BRANDO, Allel HADJALI, A method based on query caching and predicate substitution for the treatment of failing database queries, 18th International Conference on Case-Based-Reasoning (ICCBR'10), LNAI 6176, Italy (ICCBR10), 2010, pp. 436-450
Amine MOKHTARI, Allel HADJALI, Olivier PIVERT, Towards a route planner capable of dealing with complex bipolar preferences, The International Scientific Conference on Mobility and Transport (mobil.TUM 2009) (mobil-TUM 2009), 2009
Amine MOKHTARI, Allel HADJALI, Olivier PIVERT, Integrating complex user preferences into a route planner: A fuzzy-set-based approach, The Joint IFSA World Congress (IFSA’09) and the 6th Conference of the European Society of Fuzzy Systems and Technology (EUSFLAT’09) (IFSA 2009), 2009, pp. 501-506
Amine MOKHTARI, Allel HADJALI, Olivier PIVERT, Towards a route planner capable of dealing with complex bipolar preferences, The 12th IEEE Conference on Intelligent Transportation Systems (IEEE ITSC’09) (IEEE-ITSC 2009), 2009, pp. 556-561
Patrick BOSC, Carmen BRANDO, Allel HADJALI, Hélène Jaudoin, Olivier PIVERT, Semantic proximity between queries and the empty answer problem, The Joint IFSA World Congress (IFSA’09) and the 6th Conference of the European Society of Fuzzy Systems and Technology (EUSFLAT’09) (IFSA 2009), 2009, pp. 259-264
Conférences Nationales
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Louise PARKIN, Ibrahim DELLAL, Brice CHARDIN, Stéphane JEAN, Allel HADJALI, A Cooperative Approach to Address the Overabundant Answers Problem in RDF Knowledge Bases, 36ème Conférence sur la Gestion de Données – Principes, Technologies et Applications (BDA 2020), 2020
Sana NADOURI, Allel HADJALI, Sahnoun ZAIDI, Intelligent Decision Skyline, Conférence Internationale sur l'Extraction et la Gestion des Connaissances (EGC 2019), 2019
Sana NADOURI, Allel HADJALI, Zaidi SAHNOUN, Vers une décision Skyline intelligente, 19ème conférence francophone sur l'extraction et la gestion des connaissances (EGC 2019), 2019
Sana NADOURI, Allel HADJALI, Zaidi SAHNOUN, Group Skyline Computation: An Overview, 36e édition INFormatique des ORganisations et Systèmes d’Information et de Décision (INFORSID 2018), 2018
Ibrahim DELLAL, Stéphane JEAN, Allel HADJALI, Brice CHARDIN, Mickael BARON, Traitement coopératif des requêtes RDF dans le contexte des bases de connaissances incertaines, 35e édition INFormatique des ORganisations et Systèmes d’Information et de Décision (INFORSID 2017), 2017, pp. 277-29226457/INFORSID_2018.pdf
Saida ELMI, Allel HADJALI, Mohamed Anis BACH TOBJI, Boutheina Ben Yaghlane, Maintenance du Skyline sur des données évidentielles, 25ème Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2016), 2016
Géraud FOKOU, Stéphane JEAN, Allel HADJALI, Mickael BARON, RDF Query Relaxation Strategies Based on Failure Causes, 32th French Conference On Advanced Databases (BDA 2016), 2016
Aymen GAMMOUDI, Allel HADJALI, Boutheina Ben Yaghlane, Sur une Sémantique Tolérante des Relations Temporelles, 25ème Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2016), 2016
Djamal BELKASMI, Allel HADJALI, Hamid Azzoune, Elargissement du Skyline: Une approche fondée sur une relation de proximité, 25ème Rencontres Francophones sur la Logique Floue et ses Applications (LFA 2016), 2016
Géraud FOKOU, Stéphane JEAN, Allel HADJALI, Mickael BARON, Cooperative Techniques for SPARQL Query Relaxation in RDF Databases, the 31st French Conference on Advanced Databases (BDA 2015), 2015
Aymen GAMMOUDI, Allel HADJALI, Boutheina Ben Yaghlane, Sur une Sémantique Tolérante des Relations Temporelles, , 24th French Conference on Fuzzy Logic and its Applications (LFA 2015), 2015, pp. 250-257
Nessrine EL HADJ SALEM, Allel HADJALI, Boutheina Ben Yaghlane, Aymen GAMMOUDI, Une Approche Crédibiliste pour la Gestion de l’Incertitude Temporelle, 24th French Conference on Fuzzy Logic and its Applications (LFA 2015), 2015, pp. 243-249
Ludovic LIETARD, Daniel ROCACHER, Allel HADJALI, Les Conditions Multipolaires Floues, National Conference on Fuzzy Logic and its Applications (LFA 2014), 2014
Abed BOUALEM, Allel HADJALI, On the use of diversity for handling the plethoric answers problem, National Conference of Optimization and Information Systems (COSI 2013), 2013
Yazid HARIZI, Allel HADJALI, Hamid Azzoune, SYMPAS: A Database System for Managing Symbolic Preferences, National Conference on Fuzzy Logic and its Applications (LFA 2013), 2013
Samia BOULKRINAT, Allel HADJALI, Aicha MOKHTARI, Vers un système de recommendation basé sur une aggrégation d epréférences floues, National Conference on Fuzzy Logic and its Applications (LFA 2012), 2012
Olivier PIVERT, Grégory Smits, Allel HADJALI, Hélène Jaudoin, Détection efficace de conflit dans les requêtes floues, National Conference on Fuzzy Logic and its Applications (LFA 2012), 2012
Katia ABBACI, Allel HADJALI, Ludovic LIETARD, Daniel ROCACHER, Un opérateur skyline flexible pour l''interrogation de bases de données : Premières explorations, National Conference on Fuzzy Logic and its Applications (LFA 2012), 2012
Katia ABBACI, Allel HADJALI, Ludovic LIETARD, Daniel ROCACHER, Une approche skyline pour l'interrogation de bases de données de graphes, Actes du 2ème Atelier Graphes et Appariement d'Objets Complexes (GAOC11), 2011
Katia ABBACI, Fernando LEMOS, Allel HADJALI, Daniela GRIGORI, Ludovic LIETARD, Daniel ROCACHER, Mokrane BOUZEGHOUB, A fuzzy-set approach to handle preferences in service retrieval, 27èmes journées de Bases de Données Avancées (BDA 2011), 2011
Allel HADJALI, Aicha AGGOUNE, Abdelouahab MOUSSAOUI, Measuring semantic proximity between flexible queries: A distance-based approach, Actes du 7ème Colloque sur l'Optimisation et des Systèmes d'Information (COSI 2010), 2010
Katia ABBACI, Allel HADJALI, Ludovic LIETARD, Daniel ROCACHER, Interrogation de bases de données de graphes : Une approche basée sur un skyline par similarité, Actes de la 1ere Conférence Maghrébine sur l'Extraction et la Gestion des Connaissances (EGC-M 2010), 2010
Patrick BOSC, Allel HADJALI, Olivier PIVERT, Grégory Smits, CORTEX: CORrelaTion-based query Expansion, 26èmes journées Bases de Données Avancées (BDA 2010), 2010
Abdelkader ALEM, Allel HADJALI, Evaluation de requêtes flexibles dans un contexte non-centralisé : Une approche basé sur les résumés distribués, Actes du 7ème Colloque sur l'Optimisation et des Systèmes d'Information (COSI 2010), 2010
Lilla OUDJOUDI, Allel HADJALI, Supporting failing database queries in a flexible context: A data-driven approach, Actes du 7ème Colloque sur l'Optimisation et des Systèmes d'Information (COSI 2010), 2010
Rapports de Recherche
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Géraud FOKOU, Stéphane JEAN, Allel HADJALI, Mickael BARON, Cooperative Techniques for SPARQL Query Relaxation in RDF Databases, (2.0)16873/Report_MFS_XSS.pdf
Djamal BELKASMI, Allel HADJALI, Hamid Azzoune, Relaxation des Requêtes Skyline: Une Approche Centrée Utilisateur, (103)20385/egc2016 version longue.pdf
Géraud FOKOU, Stéphane JEAN, Allel HADJALI, Endowing Semantic Query Languages with Advanced Relaxation Capabilities, (1.0)14619/Rapport.pdf
Zahira CHOUIREF, Karim Benouaret, Allel HADJALI, Abdelkader Belkhir, Multi Matchmaking Approach for Semantic Web Services Selection based on Fuzzy Inference, (17032014)