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- FranÃ§ois Fouss, Alain Pirotte, Jean-Michel Renders, Marco Saerens
- IEEE Transactions on Knowledge and Dataâ€¦
- 2007

This work presents a new perspective on characterizing the similarity between elements of a database or, more generally, nodes of a weighted and undirected graph. It is based on a Markov-chain modelâ€¦ (More)

- FranÃ§ois Fouss, Kevin FranÃ§oisse, Luh Yen, Alain Pirotte, Marco Saerens
- Neural Networks
- 2012

This paper presents a survey as well as an empirical comparison and evaluation of seven kernels on graphs and two related similarity matrices, that we globally refer to as "kernels on graphs" forâ€¦ (More)

- FranÃ§ois Fouss, Alain Pirotte, Marco Saerens
- The 2005 IEEE/WIC/ACM International Conference onâ€¦
- 2005

This work presents a new perspective on characterizing the similarity between elements of a database or, more generally, nodes of a weighted, undirected, graph. It is based on a Markov-chain model ofâ€¦ (More)

- FranÃ§ois Fouss, Luh Yen, Alain Pirotte, Marco Saerens
- Sixth International Conference on Data Miningâ€¦
- 2006

This work presents a systematic comparison between seven kernels (or similarity matrices) on a graph, namely the exponential diffusion kernel, the Laplacian diffusion kernel, the von Neumann kernel,â€¦ (More)

- Mohamed Dahchour, Alain Pirotte, Esteban ZimÃ¡nyi
- IEEE Trans. Knowl. Data Eng.
- 2002

Materialization is a powerful and ubiquitous abstraction pattern for conceptual modeling that relates a class of categories (e.g., models of cars) and a class of more concrete objects (e.g.,â€¦ (More)

- T. Tung Do, Manuel Kolp, Alain Pirotte
- SEKE
- 2003

Multi-Agent Systems (MAS) architectures now appear to be more appropriate than traditional ones for building latest generation software that is typically concurrent, distributed, and dynamic. Sinceâ€¦ (More)

- Esteban ZimÃ¡nyi, Alain Pirotte
- Uncertainty Management in Information Systems
- 1996

- Mohamed Dahchour, Alain Pirotte, Esteban ZimÃ¡nyi
- CAiSE
- 2002

The role generic relationship for conceptual modeling relates a class of objects (e.g., persons) and classes of roles (e.g., students, employees) for those objects. The relationship is meant toâ€¦ (More)

Materialization is a useful abstraction pattern that can be identified in many application settings. Intuitively, materialization is the relationship between a class of categories (e.g., models ofâ€¦ (More)

- Michel Lacroix, Alain Pirotte
- SIGMOD Record
- 1976

In [I ], Codd proposes a three-valued logic to describe the behavior of null values in the usual operations of a relational algebra. This short note presents generalizations of the join operationâ€¦ (More)