[UniversitÚ Blaise Pascal]  Alain  SIGAYRET 

Laboratoire d'Informatique de Modélisation et d'Optimisation des Systèmes
E-mail :    nom: sigayret    serveur: isima.fr
Address :  LIMOS Batiment D-ISIMA - Université Blaise Pascal (Clermont-Ferrand II) - Complexe Scientifique des Cézeaux - 24, avenue des Landais   63177 AUBIERE CEDEX (France).
Fax :  +33 (0)
  Cette page en franšais.  –  Publications  –  Enseignements à l'UFR ST  /  à l'UFR LLSH  –  ACCUEIL  

My research addresses the use of graph structures and algorithms for data analysis and is two-fold.
  A first direction of research studies the family of graphs embedded by edges which is associated with a dissimilarity. Different graph algorithms pre-process the data or create an overlapping partition in order to classify the data, with different applications to bio-informatics and text-processing. This direction continues to be explored by my PhD advisor Anne Berry with her next students.
  The major part of my research focuses now on the second direction I explored during my PhD (2000-2002), which concerns the structural and algorithmic study of Galois lattices (also called concept lattices) and Galois posets (also called Galois sub-hierarchy, or AOC-Posets) using graphs tools.
See the presentation in french and my publication list for more details.
       pushy cat!      dog it!