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Ph.D. Thesis / Thèse de doctorat
Petko Valtchev, Construction automatique de taxonomies
pour l'aide à la représentation de connaissances par objets,
Thèse de Doctorat en Informatique, Université Joseph
Fourier, Grenoble (FR), defended December 15th, 1999.
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International
journals / Revues internationales
Petko Valtchev, Rokia Missaoui, Pierre Lebrun, A
partition-based approach towards constructing Galois (concept) lattices. Discrete
Mathematics 256(3):801-829, 2002.
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Petko Valtchev, Rokia Missaoui, Robert Godin, Mohamed Meridji,
Generating frequent itemsets incrementally: two novel approaches based
on Galois lattice theory. Journal of Experimental and Theoretical
Artificial Intelligence 14(2-3):115-142, 2002.
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Petko Valtchev, An Algorithm for Minimal Insertion in a Type
Lattice, Computational Intelligence 15(1):63-78, 1999.
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Mariane Huchard, Mohamed Rouane
Hacene, Cyril Roume, Petko Valtchev*, Relational concept
discovery in structured datasets, accepted
in Discrete Applied Mathematics
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Chapters in
books / Chapitres dans des ouvrages collectifs
Robert
Godin, Petko Valtchev,
Formal concept analysis-based normal forms for class hierarchy design in
object-oriented software development, accepted in the
volume Formal Concept Analysis: State of the Art, 18 p.,
B. Ganter, G. Stumme (eds.), Springer Verlag.
Petko Valtchev, Proximity function for clustering of software
objects, dans Advances in Data Science and Classification,
Springer Verlag, pp. 441-448, Rome (IT), (21-24 July) 1998.
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Petko Valtchev, Jérôme Euzenat, Classification
of concepts through products of concepts and abstract data types, dans Ordinal
and symbolic data analysis, Edwin Diday, Yves Lechevallier, Otto
Opitz (éds.), Springer Verlag, Heildelberg (DE), pp. 3-12, 1996.
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Peer-reviewed papers from international conferences /
Conférences internationales avec comité de lecture
Kamal Nehme, Petko Valtchev, Mohamed Rouane Hacene, Robert Godin, On Computing the Minimal Generator Family for Concept Lattices and Icebergs, in Proceedings of the 3rd Intl. Conference on Formal Concept Analysis, LNCS 3403, pp. 192–207, Lens (FR), Springer Verlag, (14-18 February) 2005.
Jean François Djoufak Kengue, Petko Valtchev, Clémentin Tayou Djamegni, A Parallel Algorithm for Lattice Construction, in Proceedings of the 3rd Intl. Conference on Formal Concept Analysis, LNCS 3403, pp. 248–263,, Lens (FR), Springer Verlag, (14-18 February) 2005.
Jérôme Euzenat, Petko Valtchev, Similarity-based
ontology alignment in OWL-Lite, in Proceedings
of the 16th European Conference on Artificial Intelligence (ECAI’04),
pp. 333 - 337, Valence (SP), (22-27 August) 2004.
Philippe Lahire, Gabriela
Arévalo, Hhernan Astudillo, Andrew Black, Erik Ernst, Marianne
Huchard, Tomas Oplustil, Marku Sakkinen, Petko Valtchev,
Mechanisms for Specialization, Generalization and Inheritance, in ECOOP 2004 Workshop Reader, LNCS
3344: 17 p., Springer-Verlag. 2004.
Michel Dao, Mariane Huchard, Mohamed Rouane Hacene,
Cyril Roume, Petko Valtchev* Improving Generalization level in
UML Models: Iterative Cross Generalization in Practice, in Proceedings of the 12th International
Conference on Conceptual Structures (ICCS’04), LNCS 3127, pp.
346-360, Huntsville (AL), Springer Verlag, (19-23 July) 2004.
Mohamed Rouane Hacene, Kamal
Nehme, Petko Valtchev,
Robert Godin, On-line maintenance of iceberg concept lattices,
dans Contributions to the 12th
International Conference on Conceptual Structures (ICCS’04), 14
p., Huntsville (AL), Shaker Verlag, (19-23 July) 2004.
Petko Valtchev, Rokia Missaoui, Robert Godin, Formal Concept Analysis
for Knowledge Discovery and Data Mining: The New Challenges, dans Proceedings of the 2nd Intl. Conference on
Formal Concept Analysis, LNCS 2961, pp. 352-371, Sydney (AU),
Springer Verlag, (23-26 February) 2004.
Lei Wu, Houari
Sahraoui, Petko Valtchev, Legacy Design Recovery with Dynamic
Visualization, in Proceedings of the
16th International Conference Software and Systems Engineering and
their Applications Paris (FR), (2-4 December) 2003.
David Grosser, Houari Sahraoui, Petko Valtchev, Case-Based
Reasoning for predicting stability evolution of Java classes, in Proceedings of the 9th Intl. Software
Metrics Symposium, pp. 252-262, Sidney (AU), IEEE Computer
Society , (3-5 September) 2003.
Petko Valtchev, Vincent Duquenne, Towards scalable
divide-and-conquer methods for computing concepts and implications, in Proceedings of the 4th Intl. Conference
Journées de l'Informatique Messine (JIM'03): "Knowledge Discovery
and Discrete Mathematics", pp. 3-15, Metz (FR), INRIA, (3-6
September) 2003.
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Petko Valtchev, Mohamed
Rouane Hacene, Marianne Huchard, Cyril Roume,
Extracting Formal Concepts out of Relational Data, in Proceedings of the 4th Intl. Conference
Journées de l'Informatique Messine (JIM'03): "Knowledge Discovery
and Discrete Mathematics", pp. 37-49, Metz (FR), INRIA,
(3-6 September) 2003.
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Petko Valtchev, Mohamed
Rouane Hacene, Rokia Missaoui, A generic scheme for the
design of efficient on-line algorithms for lattices,
in Proceedings of the 11th Intl.
Conference on Conceptual Structures (ICCS'03), pp. 282-295,
Dresde (DE), Springer Verlag (LNAI), (21-25 July) 2003.
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Petko Valtchev, David Grosser, Cyril Roume, Mohamed Rouane Hacene, GALICIA:
an open platform for lattices, in Using
Conceptual Structures: Contributions to the 11th Intl. Conference on
Conceptual Structures (ICCS'03), pp. 241-254, Dresde (DE), Shaker
Verlag, (21-25 July) 2003.
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David Grosser, Houari A. Sahraoui, Petko Valtchev,
Préediction de la stabilitée des interfaces de classes
Java: Une approche par analogie, in Série L'objet, vol. 9,
no. 1-2, J.-P. Briot, J. Malenfant (eds.), Actes de la 9eme
Conférence Internationale sur les Langages et les Modèles
à Object (LMO), pp. 61-73, Vannes (FR), Hermès, (3-5
February) 2003.
David Grosser, Houari A. Sahraoui, Petko Valtchev, Predicting
Software Stability Using Case-Based Reasoning, Proceedings of the
17th IEEE International Conference on Automated Software Engineering
(ASE 2002), Edinburgh (UK), pp. 295-298, (23-27 September) 2002.
Houari Sahraoui, Petko Valtchev, Idrissa Konkobo, Shiqiang Shen, Object Identification in Legacy Code as a Grouping Problem, Proceedings of the 26th COMPSAC Conference, IEEE Computer Society Press, Oxford (UK), pp. 689-696, (26-29 August) 2002.
Petko Valtchev, Rokia Missaoui, Building Galois (Concept)
Lattices from Parts: Generalizing the Incremental Approach. dans Proceedings
of the ICCS 2001, Harry Delugach, Gerd Stumme (eds.), LNCS 2120,
Springer Verlag, pp. 290-303, Stanford (CA), (30 July- 3 August) 2001.
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Petko Valtchev, Jérôme Euzenat, Une
stratégie de construction de taxonomies dans les objets. dans Actes
des Septièmes journées de la Société
Francophone de Classification, SFC'99, F. Le Ber, J.F. Mari, A.
Napoli et A. Simon (éds.), pp. 307-314, Nancy (FR), (15-17
September) 1999.
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Petko Valtchev, Building classes of software objects by
automatic clustering, dans Proceedings of the 3rd International
Symposium on Intelligent Data Analysis, David Hand, Joost Kok,
Michael Berthold (éds.), LNCS 1642, Springer Verlag,
pp.303-314, Amsterdam (NL), (9-11 August) 1999.
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Petko Valtchev, Jérôme Euzenat, Dissimilarity
measure for collections of objects and values, dans Proceedings of
the 2nd International Symposium on Intelligent Data Analysis,
Xiaohui Liu, Paul Cohen, Michael Berthold (éds.), LNCS
1280, Springer Verlag, pp. 259-272, London (UK), (6-8 August),
1997.
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Petko Valtchev, An Algorithm for Minimal Insertion in a Type Lattice, dans Proceedings of the 2nd International Symposium on Knowledge, Retrieval, Use and Storage for Efficiency (KRUSE), Vancouver (CA), pp. 82-94, (11-13 August) 1997.
Petko Valtchev, Jérôme Euzenat, Classification
of concepts through products of concepts and abstract data types (abstract),
dans Actes provisoires de 1st International Conference on Data
Analysis and Ordered Structures, pp. 131-134, Paris (FR), (20-23
June) 1995.
Danielle Ziébelin, Petko Valtchev, Irena Iordanova, Annick Vila, Classification of complex objects in a knowledge-based diagnosis system, dans Proceedings of the 6th international conference on artificial intelligence: methodology, systems, applications, pp. 269-279, Sofia (BG), (21-24 September) 1994.
Workshops / Colloques
Jérôme Euzenat,
Petko Valtchev, An integrative proximity measure for ontology
alignment, in Proceedings of the 1st
Intl. Workshop on Semantic Integration, 6 p.,
Sanibel Island (FL/US), (20 octobre) 2003.
David Grosser, Houari Sahraoui, Petko Valtchev, Analogy-based Software Quality Prediction, in Proceedings of the 7th ECOOP Workshop on Quantitative Approaches in Object-Oriented Software Engineering (QAOOSE'2003), 6 p., Darmstadt (DE), (22 July) 2003.
Christian Fisette, Robert Godin, David Grosser, Amélie le
Floc'h, Rokia Missaoui,
Mohamed Rouane Hacene, Cyril Roume, Petko Valtchev, Jean Villerd, GALICIA:
plate-forme ouverte pour l'Analyse de Concepts Formels. in Actes de l'Atelier "Treillis de Galois et
IA" de la Plate-forme AFIA'03, pp. 29-38, Laval (FR), AFIA, (4
July) 2003.
Amélie le Floc'h, Christian Fisette, Rokia
Missaoui, Petko Valtchev, Robert Godin, JEN: un
algorithme efficace de construction de générateurs pour
l'identification des règles d'association, in Actes des 35emes Journées de la
Société Française de Statistique, 15 p.,
Lyon (FR), (2-6 June) 2003.
Petko Valtchev, Rokia Missaoui, Mohamed Rouane Hacene, Robert Godin, Incremental
Maintenance of Association Rule Bases, in Proceedings of the 2nd Intl. Workshop on
Data Mining and Discrete Mathematics, 12 p., San Francisco
(CA/US), (3 May) 2003.
Marianne Huchard, Cyril Roume, Petko Valtchev, When concepts point at
other concepts: the case of UML diagram reconstruction, in Proceedings of the 2nd Intl. Workshop on
Advances in Formal Concept Analysis for Knowledge Discovery in Databases
(FCAKDD), pp. 32-43, Lyon (FR),(23 July) 2002.
Robert Godin, Marianne Huchard, Cyril
Roume, Petko Valtchev, Inheritance
And Automation: Where Are We Now?, in Object-Oriented
Technology: ECOOP Workshop Reader, Lecture notes in computer
science, Malaga (SP), Springer Verlag, (10 June) 2002.
Petko Valtchev, Rokia Missaoui, Robert Godin, A Framework for Incremental Generation of Frequent Closed Itemsets, Proceedings of the 1st Intl. Workshop on Data Mining and Discrete Mathematics, Washington (DC), pp. 75-86, (13 April) 2002.
Hafedh Mili, Petko Valtchev, Anne-Marie Di-Sciullo, Philippe Gabrini, An Automatic Approach Towards the Design of Libraries of Reusable Software Components. dans Proceedings of the 6th International Workshop on Applications of Natural Language to Information Systems, Madrid (SP), (28-29 June) 2001.
Petko Valtchev, Rokia Missaoui, Exploration of complex
objects structure for knowledge discovery. dans Proceedings of the
Workshop on Dealing with Structured Data in Machine Learning and
Statistics. European Conference on Machine Learning ECML 2000, pp.
57-69, Barcelone (ES), (30 May - 2 June) 2000
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Petko Valtchev, Rokia Missaoui, Similarity-based Clustering
versus Galois lattice building: Strengths and Weaknesses.
présenté à Workshop "Objects and Classification, A
natual convergence". European Conference on Object-Oriented Programming
2000, Nice (FR), (12-16 June) 2000
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Petko Valtchev, Rokia Missaoui, Pierre Lebrun, A Fast
Algorithm for Building the Hasse Diagram of a Galois Lattice. dans Actes
du Colloque LaCIM 2000, pp. 293-306, Montréal (CA), (7-10
September) 2000
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Non-reviewed papers / Conférences sans arbitrage
Petko Valtchev, Clustering with multiple taxonomies (abstract), Proceedings of the 2nd International Conference on Data Analysis and Ordered Structures, Darmstadt (DE), (19-21 mars) 1997.
Petko Valtchev, Automatic taxonomy building within an
advanced object formalism, dans Proceedings of the Indo-French
Workshop on Symbolic Data Analysis and its Applications, M. Csernel,
C. Pardoux, and E. Perinel (éds), volume II, pp. 200-211.
Université Paris IX - Dauphine, Paris (FR), (23-25 September)
1997.
Technical reports / Rapports de recherche
Petko Valtchev, David Grosser, Cyril Roume, Mohamed Rouane Hacene, GALICIA:
an open platform for lattices, Rapport
de recherche no. 1226, DIRO, Université de
Montréal, (February) 2003.
Petko Valtchev, Mohamed Rouane
Hacene, Rokia Missaoui, A generic scheme for the design
of efficient on-line algorithms for lattices, Rapport de recherche no. 1225,
DIRO, Université de Montréal, (February) 2003.
Petko Valtchev, Rokia Missaoui, A Framework for Incremental
Generation of Frequent Closed Itemsets, Rapport de recherche no. 1216,
DIRO, Université de Montréal, (February) 2003.
Petko Valtchev, Rokia Missaoui, Robert Godin, Mohamed Meridji,
Generating frequent itemsets incrementally: two novel approaches based
on Galois lattice theory. Rapport
de recherche no. 2001-05, Département d'Informatique,
UQAM, Montréal (CA), (December) 2001.
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Petko Valtchev, Rokia Missaoui, Building Galois (Concept)
Lattices From Parts: Generalizing The Incremental Approach. Rapport de recherche no. 2001-01,
Département d'Informatique, UQAM, Montréal (CA), (January)
2001.
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Petko Valtchev, Rokia Missaoui, Pierre Lebrun, A
Partition-Based Approach Towards Building Galois (Concept) Lattices. Rapport de recherche no. 2000-08,
Département d'Informatique, UQAM, Montréal (CA), (August)
2000.
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Current submissions / Soumissions en cours
Petko Valtchev, Rokia Missaoui, Efficient Incremental Generation of
Frequent Closed Itemsets, submitted to Discrete Applied
Mathematics.
C. Ch. Latiri, S. Ben Yahia, P. Valtchev, G. Mineau, Query Expansion
Using Conceptual Irredundant Association Rules Between Terms, 29 p.,
submitted to Information Retrieval.