| 2015 | ICTAI | On the Assessment of Concept Relevance in FCA-Based Ontology Restructuring. | Schahrazed Fennouh, Roger Nkambou, Petko Valtchev, Mohamed Rouane Hacene |
| 2013 | ICFCA | Soundness and Completeness of Relational Concept Analysis. | Mohamed Rouane Hacene, Marianne Huchard, Amedeo Napoli, Petko Valtchev |
| 2011 | ICCS | Supporting Ontology Design through Large-Scale FCA-Based Ontology Restructuring. | Mohamed Rouane Hacene, Petko Valtchev, Roger Nkambou |
| 2010 | ICTAI | Refactoring of Ontologies: Improving the Design of Ontological Models with Concept Analysis. | Mohamed Rouane Hacene, Schahrazed Fennouh, Roger Nkambou, Petko Valtchev |
| 2009 | AIME | Mining Safety Signals in Spontaneous Reports Database Using Concept Analysis. | Mohamed Rouane Hacene, Yannick Toussaint, Petko Valtchev |
| 2007 | ICFCA | A Proposal for Combining Formal Concept Analysis and Description Logics for Mining Relational Data. | Mohamed Rouane Hacene, Marianne Huchard, Amedeo Napoli, Petko Valtchev |
| 2005 | ICFCA | On Computing the Minimal Generator Family for Concept Lattices and Icebergs. | Kamal Nehm, Petko Valtchev, Mohamed Rouane Hacene, Robert Godin |
| 2004 | ICCS | Improving Generalization Level in UML Models Iterative Cross Generalization in Practice. | Michel Dao, Marianne Huchard, Mohamed Rouane Hacene, Cyril Roume, Petko Valtchev |
| 2003 | ICCS | A Generic Scheme for the Design of Efficient On-Line Algorithms for Lattices. | Petko Valtchev, Mohamed Rouane Hacene, Rokia Missaoui |