Research Activities

• data management in grids :
  
  • access control and encrypted storage (Ludwig Seitz's PhD)
  • medical data grids (Hector Duque's PhD; collaboration with Creatis Lab.)
  • collaborative caching (Yonny Cardenas)
  • grid monitoring and grid management (thèse de Julien Gossa's PhD)
  • data brokering (Ny-Haingo Andrianarisoa's PhD; collaboration with Aricie Company)

• data management in pervasive and ubiquitous envirenments 

• design and implementation of the pervasive middleware PerSE
• multimedia content adaptation (Girma Berhe's PhD)
• access control and trust (Rachid Saadi's PhD)
• context modeling and context-awareness (Dejene Ejigu's PhD)
• query routing and processing in mobile P2P systems (Talar Atéchian's PhD)
• service composition execution and multimedia content adaptation in Mobile Ad hoc Networks (MANETs) (Yaser Fawaz's PhD)
• information and service sharing in Mobile Ad hoc Networks (MANETs) (Adissalem Negash's PhD)
• fault tolerance and survivability (Adel Ayara's PhD)
• fault tolerance collaborative algorithms (Tobias Mayer's PhD)
• data replication in Mobile Ad hoc Networks (MANETs) (Zeina Torbey's PhD)
  
• adverstisement dissemination and processing in ambient social networks (Jingwei Miao's PhD)
  

• security and privacy
  

• access control and encrypted storage in data grids (Ludwig Seitz's PhD)
• access control and trust in nomadic environments (Rachid Saadi's PhD)
• privacy preserving reputation systems in P2P networks (Omar Hasan's PhD)
• access control to MPEG multimedia databases (Vanessa El-Khoury's PhD)

• collaborative multimedia systems
  
  • query by image content (Solomon Atnafu's PhD)
  • semantic collaborative web caching (David Coquil's PhD)
  • semantic usage analysis of distributed databases and user profiling (Lyes Limam's PhD)
  • multimedia data spaces-application to distributed patient record databases (Armelle Ndjafa Yakou's PhD)
  • distributed multimedia databse tuning (Christian Vilsmaier's PhD)

• Distributed Shared Memory (DSM) and parallel processing environment (Laurent Lefèvre's PhD)
• DSM monitoring (Olivier Reymann's PhD)
• parallel video servers (Ahmed Mostefaoui's PhD)
• parallel relational query processing (Harald Kosch's PhD and Matthieu Exbrayat's PhD)

I had  and I have the pleasure to work with many PhD students whose thesis I (co-)supervise(d):

• Laurent Lefèvre (graduated in 1997), now researcher at INRIA/ENS Lyon/LIP Lab, France (co-supervisor: Y. Robert)
• Harald Kosch (graduated in 1997), now Professeur at the University of Passau, Germany (chair: Distributed and Multimedia Information Systems) (co-supervisor: Y. Robert)
• Matthieu Exbrayat (graduated in 1999), now assistant professor at the University of Orléans/LIFO Lab, France (co-supervisor: A. Flory)
• Olivier Reymann (graduated in 1999), now engineer at SNCF (co-supervisor: Y. Robert)
• Ahmed Mostefaoui (graduated in 2000), now assistant professor at the Université of Franche-Comté/LIFC Lab, France
  
• Baptiste Jeudy (graduated in 2002), now assistant professor at the University of Saint-Etienne/H. Curien Lab, France (co-supervisor: J.F. Boulicaut)
• Solomon Atnafu (graduated in 2003), now associate professor at Addis-Ababa University, Ethiopia
  
• Ludwig Seitz (graduated in 2005), now researcher at the Swedish Institute of Computer Science (SICS), Stockholm, Sweden (co-supervisor: J.-M. Pierson)
• Hector Duque (graduated in 2005), now research engineer in Bogota, Colombia (co-supervisor: I. Magnin)
• David Coquil (graduated in 2006), now assistant professor at the University of Passau, Germany
  
• Girma Berhe (graduated in /2006), now post-doc at the University of Luxembourg (co-supervisor: J.-M. Pierson)
• Yonny Cardenas (graduated in 2007), now research engineer at the IN2P3 Computer Center (co-supervisor: J.-M. Pierson)
• Julien Gossa  (graduated in 2007), now assistant professor at Louis Pasteur University, Strasbourg, France (co-supervisor: J.-M. Pierson)
• Dejene Ejigu (graduated in 2007), now assistant professor at Addis-Ababa University, Ethiopia (co-supervisor: M. Scuturici)
• Rachid Saadi  (graduated in 2009), now engineer at INRIA/ARLES Team, France (co-supervisor: J.-M. Pierson)
• Yaser Fawaz (graduated in 2010), now assistant professor at Alep University, Syria (co-supervisor: M. Scuturici)
• Addissalem Negash (graduated in 2010), now assistant professor at Addis-Ababa University, Ethiopia (co-supervisor: M. Scuturici)
• Talar Atéchian  (graduated in 2010), now assistant professor at Antonine University, Beyrouth, Lebanon
• Omar Hasan (graduated in 2010), now assstant professor at INSA de Lyon (co-supervisor:  J.-M. Pierson)
• Zeina Torbey (graduated in 2012), now post-doc at INSA de Lyon (co-supervisor: N. Bennani)
  
• Jingwei Miao (ongoing thesis), now rsearch engineer at the Chinese Ministry of Industry and Information Technology, group on the standardization of Web Real-Time Communications (Web-RTC)  (co-supervisor: S. Ben Mokhtar)
• Tobias Mayer (ongoing thesis), now post-doc at INSA de Lyon (co-supervisor: H. Kosch, University of Passau, Germany (cotutelle))
• Vanessa El-Khoury (ongoing thesis), now research/teaching assistant at the University of Passau (co-supervisor: N. Bennani and H. Kosch, University of Passau, Germany (cotutelle))
• Lyes Limam (ongoing thesis) (co-supervisor:  H. Kosch, University of Passau, Germany (cotutelle))
• Armelle-Natacha Ndjafa-Yakou (ongoing thesis) (co-supervisor: H. Kosch, University of Passau, Germany (cotutelle))
• Christian Vilsmaier (ongoing thesis) (co-supervisor: H. Kosch, University of Passau, Germany (cotutelle))
• Yulian Yang (ongoing thesis) (co-supervisors: S. Calabretto and E. Damiani, University of Milan, Italy (cotutelle))
• Merza Klaghstan (ongoing thesis) (co-supervisors: N. Bennani and H. Kosch, University of Passau, Germany (cotutelle))
• Guido Lena Cota (ongoing thesis) (co-supervisors: S. Ben Mokhtar et E. Damiani - Italie (cotutelle))
• Vincent Primault (ongoing thesis) (co-supervisors: S. Ben Mokhtar)
• Albin Petit (ongoing thesis) (co-supervisors: S. Ben Mokhtar, O. Hasan et H. Kosch, Université de Passau - Allemagne (co-tutelle))
• Stéphane Seng (ongoing thesis) (co-supervisors: O. Hasan et R. Sornin (AttestationLégale Company) ("convention CIFRE"))