Hala Skaf-Molli
Full Professor, Nantes University,(Holder of the scientific excellence distinction), Head of ALMA master's program in Software architecture Head of GDD Team, Numeric Science of Nantes Laboratory LS2N Membre nommée à la Commission d’évaluation (CE) l'Inria depuis septembre 2023, pour un mandat de quatre ans.
2, rue de la Houssinière, 44322 Nantes cedex 03, France Tél. : +33 (0) 2 51 12 58 93 mailto:Hala.Skaf@univ-nantes.fr
Research Interests
- Semantic Web, Knowledge Graphs, and Linked Data
- Decentralized Semantic Data Management
- SPARQL Query Processing and Optimization
- SPARQL Federation engine
- Scientific Workflow
- FAIR data and services
Ongoing projects:
Research papers
- Recent accepted Papers
- Thi Hoang Thi PHAM, Gabriela Montoya, Brice Nédelec, Hala Skaf-Molli and Pascal Molli. Passage: Ensuring Completeness and Responsiveness of Public SPARQL Endpoints with SPARQL Continuation Queries. The ACM Web Conference 2025, WWW 2025 Oral presentation, Sydney, New South Wales, Australia.
- Julien Aimonier-Davat, Minh-Hoang Dang, Pascal Molli, Brice Nédelec, Hala Skaf-Molli. FedUP: Querying Large-Scale Federations of SPARQL Endpoints. The ACM Web Conference 2024 (WWW ’24), May 2024, Singapore
- Julien Aimonier-Davat, Minh-Hoang Dang, Pascal Molli, Brice Nédelec, Hala Skaf-Molli. Fediscount: Shopping Online at a Federated Store Using FedUP as SPARQL Federation Engine. The ACM Web Conference (WWW ’24), May 2024, Singapore, Singapore.
- Thi Hoang Thi Pham, Pascal Molli, Hala Skaf-Molli, Brice Nédelec. Online Sampling of Summaries from Public SPARQL Endpoints. WWW ’24 Companion, May 13–17, 2024, Singapore, Singapore, ACM, May 2024, Singapore, Singapore.
- Minh-Hoang Dang, Julien Aimonier-Davat, Pascal Molli, Olaf Hartig, Hala Skaf-Molli, Yotlan Le Crom FedShop: A Benchmark for Testing the Scalability of SPARQL Federation Engines. ISWC 2023, Nov 2023, Athens, Greece. FedShop is freely available online
- Julien Aimonier-Davat, Hala Skaf-Molli, Pascal Molli, Minh Hoang Dang, Brice Nédelec. Join Ordering of SPARQL Property Path Queries. Extended Semantic Web Conference, May 2023, Hersonissos, Greece.
- Julien Aimonier-Davat, Minh-Hoang Dang, Pascal Molli, Brice Nédelec, Hala Skaf-Molli. RAW-JENA: Approximate Query Processing for SPARQL Endpoints. ISWC'23 : 22nd International Semantic Web Conference, Nov 2023, Athens, Greece. Best demo. Video
- All my papers available at Hall
Talks
Awards
Chairs and PC
2024
2023
2022
2021
2020
2019
- PC member of The Web Conference WWW (Semantics and Knowledge Track), ISWC, ESWC, DEXA, BDA, AWD@EGD, QuWeDa?@ESWC
2018
- Co-chair of recherche track Linked Data of Extended Semantic Web Conference, ESWC 2018.
- PC member of The Web Conference WWW, ISWC, EKAW, ESWC, DEXA, QuWeDa?@ESWC
2017
PhD Sutdents and PostDoc?
Ongoing Thesis:
- 2023-??? Hoang Thi Pham Thi (ANRK MeKano?)
- 2020-2023: J. Aimonier-Davat (ANR DeKaloG?)
- 2021-2024: Minh Hoang DANG (cominLabs MiKroloG?)
Past Thesis
- 2017-2020 : Thomas Minier (bourse RFI FaBula?).
- 2017-2020 : A.Grall (cifre, GFI) :
- 2014-2017: Co-advisor of PhD thesis Pauline Folz, funding by Cifre Bourse of Nantes Métropole. Title: Collaboration dans une fédération de consommateur de données liées. Collaboration in a federation of linked data consumers. Current Situation: R&D Orange Lab Grenoble.
- 2013-2016: Co-advisor of PhD thesis Gabriela Motoya, funding by CNRS. Title: Answering SPARQL Queries using Views. Current Situation: post-doc at the University of Aalborg, Danemark
- 2012-2015: Co-advisor Luis Daniel Ibáñez, funding ANR Folflow. Title: Towards a Read/Write Web of Linked Data. Current Situation: Post-Doc at the university fo Southampton, England.
- 2010-2014: Co-advisor of PhD thesis Diego Torres, co-tutelle with Alicia Diaz. Title: Co-evolution between Social and Semantic Web. Current Situation: Associate Professor, Université de la Plata, Argentina.
- 2009-2012: Co-advisor of PhD thesis Khaled Mobayed, Title: Divergence Awareness in Distributed Multi-Synchronous Collaborative Systems. Current Situation: R&D Scientist at Criteo
- 2007-2010: Co-director of PhD thesis of Charbel Rahhal, Title: Wikis sémantiques sur réseaux pair-à-pair. Current Position: associate professor, Liban.
HDR/Thesis Jurys:
- HDR Reporter:
- 2021 Antoine Zimmermann. "Interoperability for the Semantic Web : A Loosely Coupled Mediation Approach.” HDR, École Nationale Supérieure
- 2019 Fatiha SAIS. Knowledge Graph Refinement. Habilitation à Diriger des Recherches, Université Paris Sud.
- Thesis Reporter:
- 2021 Mahamadou TOURE. ” Local Peer-to-Peer Mobile Access to Linked Data in Resource constrained Networks”. Université Gaston Berger et Université Côte d’Azur.
- 2019 Rémy DELANAUX. "Intégration de données liées respectueuse de la confidentialité". Université Claude Bernard Lyon1.
- 2018: Mohammad Noorani BAKERALLY: Génération de plateforme de données liées dans un écosystème d’informations fortement décentralisé. l’École Nationale Supérieure des Mines de Saint-Etienne.
- 2018: Abdoul MACINA: SPARQL Distributed Query Processing over Linked Data. l’Université Côte d’Azur.
- 2018: Jérémy Lhez: Gestion de flux RDF et raisonnement : sémantisation, sérialisation et profilage. l’Université Paris-Est Marne la Vallée.
- Thesis Examiner
- 2017: Roland Kotto Kombi. Distributed query processing over fluctuating data streams. INSA Lyon, Université de Lyon.
- 2016: Sébastien Dufromentel. qTor : une approche communautaire pour l’évaluation de requêtes continues. INSA Lyon, Université de Lyon.
- 2016: Alexandre Garnier. Langage dédié au traitement des événements complexes et modélisation des usages pour les réseaux de capteurs. Université de Nantes.
- 2013: Igor Epimakhov. Allocation des ressources pour l’optimisation de requêtes dans les systèmes de grille de données. Université Toulouse 3 Paul Sabatier.
- 2009: Segio Fernando Mera. Logique modales et mémorielles. Université Henri Poincaré, Nancy1 et Université de Buneos Aires.
- 2009: Daniel Alejadro Gorin. Technique de raisonnement automatique pour les logiques hybrides. Université Henri Poincaré, Nancy1 et Université de Buneos Aires.
Previous Projects
- 2018-2021: ANR Obrowser : Applications décentralisées sur les navigateurs.
- 2017-2019: Seleda: Self Data for Enhancing lifelong Learning Autonomy. Funding CominLabs?, ICT for Education.
- 2013-2017 ANR SocioPlug?
- 2011-2014 ANR Kolflow
- 2013: LodPaddle is selected by the call PUBLINK of the european projet lod2
- CyWiki? : vers une forge de la connaissance, projet associant les laboratoires LORIA, ATILF, LISEC et le Service Nutice. Project financé par l'appel à projets 2009 lancé par le CCOSL
- Projet exploratoire ISCC 2009,CNRS, P2CeL? – Collaborative Knowledge Construction and E-Learning: An Approach Based on Semantic Wikis." http://www.thermoptim.org/sections/enseignement/communaute-p2cel (in french)
- Project TALC du CPER MISN :"Vers un wiki sémantique pour la gestion des connaissances d’un système de raisonnement à partir de cas." http://wikitalc.loria.fr/dokuwiki/doku.php?id=operations:wikisem (in french)
- Pré-opération MSH 2009
- Project Seyct (2008-2010), with La Plata University, Argentina.
- Responsable of Projet Rorax (2006-2008), French/Libanese program CEDRE
- Member of ARC INRIA Recall (2005), http://recall.loria.fr. Recall is funding the development of Wooki.
- Member of Gdr-PRC I3 (2003-2004)
- Member of action VXP (2001-2003), CPER QSL. VXP has funded the development of SAMS.
- Member of action Mobi5 (2004,2006), CPER QSL. Mobi5 has funded the development of So6.
- Member of Project Corvette with Hitachi, Japon http://www.loria.fr/equipes/ecoo/corvette/. The objective is to build a Collaborative Workflow Systems.
- Australian Research Council IREX Grant with University of New South Wales, Sydney
Scientific Collaboration
- Maria Esther-Vidal, Professor at the University Simón Bolívar, Caracas, Venezuela. Working on SPARQL Federation.
- Olivera Marjovic, University of Sydney, Australia. Working on Collaborative Learning.
- Hala Naja-Jazzar, University Libanese, Liban. Working on Collaborative Editing of XML Documents.
- Nishadi di-Silva, University of Southampton, England. Working on Narrative-based collaborative Writing and Semantic Consistency.
- Alicia Diaz, University of La plata, Argentina. Working on personal knowledge in P2P? semantic wikis.
Previous Master research Subject
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