Securing decentralized federated learning: cryptographic mechanisms for privacy and trust.

Omar Nouali

Ahmed Saidi Abdelouahab Amira Omar Nouali Securing decentralized federated learning: cryptographic mechanisms for privacy and trust. 144 2025 April 28 Clust. Comput. 2 https://doi.org/10.1007/s10586-024-04957-8 db/journals/cluster/cluster28.html#SaidiAN25 streams/journals/cluster

Abdelghani Krinah Yacine Challal Mawloud Omar Omar Nouali Enhancing fine-grained access control in fog-based e-health applications. 605 2025 October 28 Clust. Comput. 9 https://doi.org/10.1007/s10586-025-05285-1 db/journals/cluster/cluster28.html#KrinahCON25 streams/journals/cluster

Ahmed Saidi Abdelouahab Amira Omar Nouali A privacy-centric federated learning framework with blockchain and dynamic client selection mechanisms. 1034 2025 December 28 Clust. Comput. 16 https://doi.org/10.1007/s10586-025-05715-0 db/journals/cluster/cluster28.html#SaidiAN25a streams/journals/cluster

Ahmed Saidi Abdelouahab Amira Omar Nouali A secure multi-authority attribute based encryption approach for robust smart grids. 2024 36 Concurr. Comput. Pract. Exp. 7 https://doi.org/10.1002/cpe.7972 db/journals/concurrency/concurrency36.html#SaidiAN24

Abdelouahab Amira Abdelouahid Derhab Elmouatez Billah Karbab Omar Nouali A Survey of Malware Analysis Using Community Detection Algorithms. 40:1-40:29 2024 February 56 ACM Comput. Surv. 2 https://doi.org/10.1145/3610223 https://www.wikidata.org/entity/Q131120131 db/journals/csur/csur56.html#AmiraDKN24

Ahmed Saidi Omar Nouali Abdelouahab Amira SHARE-ABE: an efficient and secure data sharing framework based on ciphertext-policy attribute-based encryption and Fog computing. 167-185 2022 25 Clust. Comput. 1 https://doi.org/10.1007/s10586-021-03382-5 https://www.wikidata.org/entity/Q114690172 db/journals/cluster/cluster25.html#SaidiNA22

Sahraoui Kharroubi Youcef Dahmani Omar Nouali Improving collaborative recommendation based on item weight link prediction. 109-126 2022 January 30 Turkish J. Electr. Eng. Comput. Sci. 1 https://doi.org/10.3906/elk-2008-26 db/journals/elektrik/elektrik30.html#KharroubiDN22

Messaoud Chaa Omar Nouali Patrice Bellot Leveraging app features to improve mobile app retrieval. 177-197 2021 14 Int. J. Intell. Inf. Database Syst. 2 https://doi.org/10.1504/IJIIDS.2021.114530 db/journals/ijiids/ijiids14.html#ChaaNB21

Saad Fehis Omar Nouali Mohand Tahar Kechadi Encryption key management as a trusted security as a service for cloud computing. 150-162 2021 16 Int. J. Secur. Networks 3 https://doi.org/10.1504/IJSN.2021.117865 db/journals/ijsn/ijsn16.html#FehisNK21

Saad Fehis Omar Nouali M. Tahar Kechadi Secure encryption key management as a SecaaS based on Chinese wall security policy. 102975 2021 63 J. Inf. Secur. Appl. https://doi.org/10.1016/j.jisa.2021.102975 https://www.wikidata.org/entity/Q123259123 db/journals/istr/istr63.html#FehisNK21

Abdelouahab Amira Abdelouahid Derhab ElMouatez Billah Karbab Omar Nouali Farrukh Aslam Khan TriDroid: a triage and classification framework for fast detection of mobile threats in android markets. 1731-1755 2021 12 J. Ambient Intell. Humaniz. Comput. 2 https://doi.org/10.1007/s12652-020-02243-0 db/journals/jaihc/jaihc12.html#AmiraDKNK21

Fateh Boucenna Omar Nouali Kamel Adi Samir Kechid Access Pattern Hiding in Searchable Encryption. 107-114 2021 FiCloud https://doi.org/10.1109/FiCloud49777.2021.00023 conf/ficloud/2021 db/conf/ficloud/ficloud2021.html#BoucennaNAK21

Fateh Boucenna Omar Nouali Samir Kechid M. Tahar Kechadi Secure Inverted Index Based Search over Encrypted Cloud Data with User Access Rights Management. 133-154 2019 34 J. Comput. Sci. Technol. 1 https://doi.org/10.1007/s11390-019-1903-2 https://www.wikidata.org/entity/Q121088010 db/journals/jcst/jcst34.html#BoucennaNKK19

Abdelbaset Kabou Nadia Nouali-Taboudjemat Soufiene Djahel Saïd Yahiaoui Omar Nouali Lifetime-Aware Backpressure - A New Delay-Enhanced Backpressure-Based Routing Protocol. 42-52 2019 13 IEEE Syst. J. 1 https://doi.org/10.1109/JSYST.2017.2789288 db/journals/sj/sj13.html#KabouNDYN19

Abdelghani Krinah Yacine Challal Mawloud Omar Omar Nouali Using ABE for Medical Data Protection in Fog Computing. 155-161 2019 ICEIS (2) https://doi.org/10.5220/0007424601550161 conf/iceis/2019-2 db/conf/iceis/iceis2019-2.html#KrinahCON19 Houda Oufaida Philippe Blache Omar Nouali A Coherence Model for Sentence Ordering. 261-273 2019 NLDB https://doi.org/10.1007/978-3-030-23281-8_21 conf/nldb/2019 db/conf/nldb/nldb2019.html#OufaidaBN19 Souâad Boudebza Rémy Cazabet Omar Nouali Faiçal Azouaou Detecting Stable Communities in Link Streams at Multiple Temporal Scales. 353-367 2019 PKDD/ECML Workshops (1) https://doi.org/10.1007/978-3-030-43823-4_30 conf/pkdd/2019-w1 db/conf/pkdd/pkdd2019-w1.html#BoudebzaCNA19

Souâad Boudebza Rémy Cazabet Omar Nouali Faiçal Azouaou Detecting Stable Communities in Link Streams at Multiple Temporal Scales. 2019 abs/1907.10453 CoRR http://arxiv.org/abs/1907.10453 db/journals/corr/corr1907.html#abs-1907-10453

Souâad Boudebza Rémy Cazabet Faiçal Azouaou Omar Nouali OLCPM: An online framework for detecting overlapping communities in dynamic social networks. 36-51 2018 123 Comput. Commun. https://doi.org/10.1016/j.comcom.2018.04.003 https://www.wikidata.org/entity/Q130040698 db/journals/comcom/comcom123.html#BoudebzaCAN18

Sahraoui Kharroubi Youcef Dahmani Omar Nouali A semantic layer to improve collaborative filtering systems. 365-376 2018 17 Int. J. Comput. Sci. Eng. 4 https://doi.org/10.1504/IJCSE.2018.096024 db/journals/ijcse/ijcse17.html#KharroubiDN18

Messaoud Chaa Omar Nouali Patrice Bellot Combining Tags and Reviews to Improve Social Book Search Performance. 64-75 2018 CLEF https://doi.org/10.1007/978-3-319-98932-7_6 conf/clef/2018 db/conf/clef/clef2018.html#ChaaNB18 Yacine Challal Fatima-Zohra Benhamida Omar Nouali Scalable Key Management for Elastic Security Domains in Fog Networks. 187-192 2018 WETICE https://doi.org/10.1109/WETICE.2018.00043 https://doi.ieeecomputersociety.org/10.1109/WETICE.2018.00043 conf/wetice/2018 db/conf/wetice/wetice2018.html#ChallalBN18

Souâad Boudebza Rémy Cazabet Faiçal Azouaou Omar Nouali OLCPM: An Online Framework for Detecting Overlapping Communities in Dynamic Social Networks. 2018 abs/1804.03842 CoRR http://arxiv.org/abs/1804.03842 db/journals/corr/corr1804.html#abs-1804-03842

Fateh Boucenna Omar Nouali Adel Dabah Samir Kechid Accelerated search over encrypted cloud data. 170-177 2017 BigComp https://doi.org/10.1109/BIGCOMP.2017.7881734 conf/bigcomp/2017 db/conf/bigcomp/bigcomp2017.html#BoucennaNDK17 Abdelbaset Kabou José Núñez-Martínez Nadia Nouali-Taboudjemat Omar Nouali Josep Mangues-Bafalluy Analyzing Backpressure routing interaction with TCP for Wireless Mesh Networks. 537-542 2017 ICOIN https://doi.org/10.1109/ICOIN.2017.7899552 conf/icoin/2017 db/conf/icoin/icoin2017.html#KabouNNNM17 Ali Benssam Nadia Nouali-Taboudjemat Omar Nouali Abdelbaset Kabou A middleware platform for decision support in disaster management. 1-8 2017 ICT-DM https://doi.org/10.1109/ICT-DM.2017.8275680 conf/ict-dm/2017 db/conf/ict-dm/ict-dm2017.html#BenssamNNK17 Abdelbaset Kabou Nadia Nouali-Taboudjemat Omar Nouali Toward a new backpressure-based framework to enhance situational awareness in disaster response. 1-8 2017 ICT-DM https://doi.org/10.1109/ICT-DM.2017.8275678 conf/ict-dm/2017 db/conf/ict-dm/ict-dm2017.html#KabouNN17 Messaoud Chaa Omar Nouali Patrice Bellot New technique to deal with verbose queries in social book search. 799-806 2017 WI https://doi.org/10.1145/3106426.3106481 conf/webi/2017 db/conf/webi/webi2017.html#ChaaNB17

Ali Benssam Nadia Nouali-Taboudjemat Omar Nouali An e-readiness assessment model for disaster management. 118-143 2016 15 Int. J. Inf. Technol. Manag. 2 https://doi.org/10.1504/IJITM.2016.076412 db/journals/ijitm/ijitm15.html#BenssamNN16

Saad Fehis Omar Nouali Mohand Tahar Kechadi A New Distributed Chinese Wall Security Policy Model. 149-168 2016 11 J. Digit. Forensics Secur. Law 4 https://doi.org/10.15394/jdfsl.2016.1434 https://www.wikidata.org/entity/Q114962518 db/journals/jdfsl/jdfsl11.html#FehisNK16

Messaoud Chaa Omar Nouali Patrice Bellot Verbose Query Reduction by Learning to Rank for Social Book Search Track. 1072-1078 2016 CLEF (Working Notes) https://ceur-ws.org/Vol-1609/16091072.pdf conf/clef/2016w db/conf/clef/clef2016w.html#ChaaNB16 Fateh Boucenna Omar Nouali Samir Kechid Concept-based Semantic Search over Encrypted Cloud Data. 235-242 2016 WEBIST (2) https://doi.org/10.5220/0005858302350242 conf/webist/2016-2 db/conf/webist/webist2016-2.html#BoucennaNK16 Sahraoui Kharroubi Youcef Dahmani Omar Nouali A Hybrid Model to Improve Filtering Systems. 303-314 2015 CIIA https://doi.org/10.1007/978-3-319-19578-0_25 conf/ciia/2015 db/conf/ciia/ciia2015.html#KharroubiDN15 Hanane Zitouni Omar Nouali Souham Meshoul Toward a New Recommender System Based on Multi-criteria Hybrid Information Filtering. 328-339 2015 CIIA https://doi.org/10.1007/978-3-319-19578-0_27 conf/ciia/2015 db/conf/ciia/ciia2015.html#ZitouniNM15 Messaoud Chaa Omar Nouali CERIST at INEX 2015: Social Book Search Track. 2015 CLEF (Working Notes) https://ceur-ws.org/Vol-1391/18-CR.pdf conf/clef/2015w db/conf/clef/clef2015w.html#ChaaN15 Souâad Boudebza Faiçal Azouaou Omar Nouali Ontology-Based Approach for Temporal Semantic Modelling of Social Networks. 736-741 2015 FiCloud https://doi.org/10.1109/FiCloud.2015.113 https://doi.ieeecomputersociety.org/10.1109/FiCloud.2015.113 conf/ficloud/2015 db/conf/ficloud/ficloud2015.html#BoudebzaAN15 Sahraoui Kharroubi Youcef Dahmani Omar Nouali Improvement of Collaborative Filtering Systems through Resource Description Framework. 16:1-16:5 2015 IPAC https://doi.org/10.1145/2816839.2816863 conf/iciip/2015 db/conf/iciip/ipac2015.html#KharroubiDN15 Houda Oufaida Philippe Blache Omar Nouali Using Distributed Word Representations and mRMR Discriminant Analysis for Multilingual Text Summarization. 51-63 2015 NLDB https://doi.org/10.1007/978-3-319-19581-0_4 conf/nldb/2015 db/conf/nldb/nldb2015.html#OufaidaBN15

Houda Oufaida Omar Nouali Philippe Blache Minimum redundancy and maximum relevance for single and multi-document Arabic text summarization. 450-461 2014 26 J. King Saud Univ. Comput. Inf. Sci. 4 https://doi.org/10.1016/j.jksuci.2014.06.008 db/journals/jksucis/jksucis26.html#OufaidaNB14

Ali Benssam Ahcène Bendjoudi Saïd Yahiaoui Nadia Nouali-Taboudjemat Omar Nouali Towards a dynamic evacuation system for disaster situations. 1-8 2014 ICT-DM https://doi.org/10.1109/ICT-DM.2014.6917793 conf/ict-dm/2014 db/conf/ict-dm/ict-dm2014.html#BenssamBYNN14 Ali Benssam Nadia Nouali-Taboudjemat Omar Nouali Requirements for an IT based platform for disaster management. 1-4 2014 ICT-DM https://doi.org/10.1109/ICT-DM.2014.6917784 conf/ict-dm/2014 db/conf/ict-dm/ict-dm2014.html#BenssamNN14 Houda Oufaida Omar Nouali Philippe Blache Multilingual Summarization Experiments on English, Arabic and French (Résumé Automatique Multilingue Expérimentations sur l'Anglais, l'Arabe et le Français) [in French]. 543-549 2014 TALN (2) https://aclanthology.org/F14-2026/ conf/taln/2014-2 db/conf/taln/taln2014-2.html#OufaidaNB14

Lamia Berkani Azeddine Chikh Omar Nouali Using Hybrid Semantic Information Filtering Approach in CoPEs. 383-402 2013 12 J. Web Eng. 5 http://www.rintonpress.com/xjwe12/jwe-12-5/383-402.pdf db/journals/jwe/jwe12.html#Berkani13

Zinelabidine Boulkenafet Messaoud Bengherabi Omar Nouali Mohamed Cheriet Using the conformal embedding analysis to compensate the channel effect in the i-vector based speaker verification system. 241-248 2013 BIOSIG conf/biosig/2013 db/conf/biosig/biosig2013.html#BoulkenafetBNC13 https://dl.gi.de/handle/20.500.12116/17675 http://subs.emis.de/LNI/Proceedings/Proceedings212/article11.html https://ieeexplore.ieee.org/document/6617162/ Abdelkrime Aries Houda Oufaida Omar Nouali Using clustering and a modified classification algorithm for automatic text summarization. 2013 DRR https://doi.org/10.1117/12.2004001 conf/drr/2013 db/conf/drr/drr2013.html#AriesON13 865811 Lamia Berkani Omar Nouali Semantic Collaborative Filtering for Learning Objects Recommendation. 52-63 2013 KDIR/KMIS https://doi.org/10.5220/0004550500520063 conf/ic3k/2013kdir db/conf/ic3k/kdir2013.html#BerkaniN13 Zinelabidine Boulkenafet Messaoud Bengherabi Farid Harizi Omar Nouali Mohamed Cheriet Forensic evidence reporting using GMM-UBM, JFA and I-vector methods: Application to Algerian Arabic dialect. 404-409 2013 ISPA https://doi.org/10.1109/ISPA.2013.6703775 conf/imspa/2013 db/conf/imspa/ispa2013.html#BoulkenafetBHNC13 Lamia Berkani Azeddine Chikh Omar Nouali Recommandation personnalisée des ressources dans une communauté de pratique de e-learning. Une approche à base de filtrage hybride. 131-138 2013 INFORSID http://inforsid.fr/actes/2013/2013_2_3%20Berkani.pdf conf/inforsid/2013 db/conf/inforsid/inforsid2013.html#BerkaniCN13 Ali Benssam Nadia Nouali-Taboudjemat Omar Nouali Towards an It-based platform for disaster risks management in Algeria. 2013 ISCRAM http://idl.iscram.org/files/benssam/2013/306_Benssam_etal2013.pdf conf/iscram/2013 db/conf/iscram/iscram2013.html#BenssamNN13 Souâad Boudebza Lamia Berkani Faiçal Azouaou Omar Nouali Semantic Annotations and Context Reasoning to Enhance Knowledge Reuse in e-Learning. 419-428 2013 Modeling Approaches and Algorithms for Advanced Computer Applications https://doi.org/10.1007/978-3-319-00560-7_45 series/sci/2013-488 db/series/sci/sci488.html#BoudebzaBAN13 Messaoud Chaa Omar Nouali Kamal Bal Learning to rank in XML information retrieval: Which feature improve the best? 336-340 2012 ICDIM https://doi.org/10.1109/ICDIM.2012.6360123 conf/icdim/2012 db/conf/icdim/icdim2012.html#ChaaNB12 Lamia Berkani Omar Nouali Azeddine Chikh A Recommendation-based Approach for Communities of Practice of E-learning. 270-275 2012 ICWIT https://ceur-ws.org/Vol-867/Paper28.pdf conf/icwit/2012 db/conf/icwit/icwit2012.html#BerkaniNC12

Omar Nouali Nadia Nouali-Taboudjemat Bernard Toursel Cognitive filtering of textual information agents based implementation. 280-288 2011 8 Int. Arab J. Inf. Technol. 3 http://iajit.org/index.php?option=com_content&task=blogcategory&id=74&Itemid=319 db/journals/iajit/iajit8.html#NoualiNT11

Nadia Nouali-Taboudjemat Omar Nouali Habiba Drias La validation dynamiquement adaptable des transactions mobiles. Une approche sensible au contexte utilisant des politiques d'adaptation. 243-273 2011 30 Tech. Sci. Informatiques 3 https://doi.org/10.3166/tsi.30.243-273 db/journals/tsi/tsi30.html#Nouali-TaboudjematND11

Sahraoui Kharroubi Youcef Dahmani Omar Nouali Optimization of Collaborative Filtering Systems. 2011 CIIA https://ceur-ws.org/Vol-825/paper_297.pdf conf/ciia/2011 db/conf/ciia/ciia2011.html#SahraouiYO11 Lamia Berkani Azeddine Chikh Omar Nouali Semantics and Knowledge Capitalization in Online Communities of Practice of e-Learning. 96-104 2011 KMIS conf/ic3k/2011kmis db/conf/ic3k/kmis2011.html#BerkaniCN11 Samiha El Hamali Nadia Nouali-Taboudjemat Omar Nouali Knowledge extraction by Internet monitoring to enhance crisis management. 2011 ISCRAM http://idl.iscram.org/files/samiha/2011/907_Samiha_etal2011.pdf conf/iscram/2011 db/conf/iscram/iscram2011.html#HamaliNN11 Kamal Bal Omar Nouali Recherche d'information orientée contenu dans les documents XML par agrégation partielle des sources de pertinence. 401-402 2010 CORIA https://doi.org/10.24348/coria.2010.401 conf/coria/2010 db/conf/coria/coria2010.html#BalN10 Kamal Bal Omar Nouali Deal with multiplicity and diversity of relevance factors in XML retrieval. 207-212 2010 ICDIM https://doi.org/10.1109/ICDIM.2010.5664646 conf/icdim/2010 db/conf/icdim/icdim2010.html#KamalO10 Omar Nouali Abdelghani Krinah Propriété Intellectuelle dans le Commerce Électronique: Tatouage de Livres Électroniques. 2009 CIIA https://ceur-ws.org/Vol-547/64.pdf conf/ciia/2009 db/conf/ciia/ciia2009.html#NoualiK09

Houda Oufaida Omar Nouali Le filtrage collaboratif et le web 2.0. État de l'art. 13-35 2008 11 Document Numérique 1-2 https://doi.org/10.3166/dn.11.1-2.13-35 db/journals/dn/dn11.html#OufaidaN08

Omar Nouali Abdelghani Krinah Vectorial Information Structuring for Documents Filtering and Diffusion. 1-6 2008 5 Int. Arab J. Inf. Technol. 1 db/journals/iajit/iajit5.html#NoualiK08

Omar Nouali Abdelghani Krinah Using Prepaid Cards in E-Business - Libreaire, an e-Books Online Store. 211-214 2008 ICEIS (4) conf/iceis/2008-4 db/conf/iceis/iceis2008-4.html#NoualiK08

Omar Nouali Philippe Blache Filtrage automatique de courriels: une approche adaptative et multiniveau. 1466-1487 2005 60 Ann. des Télécommunications 11-12 db/journals/adt/adt60.html#NoualiB05 https://doi.org/10.1007/BF03219858

Omar Nouali A. Regnier Philippe Blache Classification de courriers électroniques. Une approche par apprentissage basée sur des modèles linguistiques. 885-912 2005 19 Rev. d'Intelligence Artif. 6 https://doi.org/10.3166/ria.19.885-912 db/journals/ria/ria19.html#NoualiRB05

Omar Nouali Ahmed Saidi H. Chahrat Abdelghani Krinah Bernard Toursel A Web Pages Automatic Filtering System. 212-215 2005 conf/wec/2005i WEC (5) db/conf/wec/wec2005i.html#NoualiSCKT05

Omar Nouali Philippe Blache A semantic vector space and features-based approach for automatic information filtering. 171-179 2004 26 Expert Syst. Appl. 2 https://doi.org/10.1016/S0957-4174(03)00118-0 db/journals/eswa/eswa26.html#NoualiB04

Omar Nouali Philippe Blache Automatic Classification and Filtering of Electronic Information: Knowledge-Based Filtering Approach. 2004 1 Int. Arab J. Inf. Technol. 1 http://www.iajit.org/ABSTRACTS-1.htm#02 db/journals/iajit/iajit1.html#NoualiB04

Omar Nouali Sélection de critères pour le filtrage automatique de messages. 547-552 2003 RECITAL (Posters) https://aclanthology.org/2003.jeptalnrecital-recitalposter.8/ conf/taln/2003-r2 db/conf/taln/taln2003-r2.html#Nouali03 Omar Nouali Classification Automatique de messages : une approche hybride. 517-522 2002 RECITAL https://aclanthology.org/2002.jeptalnrecital-recitalposter.4/ conf/taln/2002-r1 db/conf/taln/taln2002-r1.html#Nouali02 H. Khelalfa Omar Nouali Sigar : Generating Responses in a Natural Language Query System. 1995 conf/nldb/1995 NLDB db/conf/nldb/nldb95.html#KhelalfaN95 Kamel Adi Abdelouahab Amira Abdelkrime Aries Faiçal Azouaou Kamal Bal Patrice Bellot Ahcène Bendjoudi Messaoud Bengherabi Fatima-Zohra Benhamida Ali Benssam Lamia Berkani Philippe Blache Fateh Boucenna Souâad Boudebza Zinelabidine Boulkenafet Rémy Cazabet Messaoud Chaa H. Chahrat Yacine Challal Mohamed Cheriet Azeddine Chikh Adel Dabah Youcef Dahmani Abdelouahid Derhab Soufiene Djahel Habiba Drias Saad Fehis Samiha El Hamali Farid Harizi Abdelbaset Kabou ElMouatez Billah KarbabElmouatez Billah Karbab M. Tahar KechadiMohand Tahar Kechadi Samir Kechid Farrukh Aslam Khan Sahraoui Kharroubi H. Khelalfa Abdelghani Krinah Josep Mangues-Bafalluy Souham Meshoul Nadia Nouali-Taboudjemat José Núñez-Martínez Mawloud Omar Houda Oufaida A. Regnier Ahmed Saidi Bernard Toursel Saïd Yahiaoui Hanane Zitouni