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Regular version of the site

Book chapter

Next Priority Concept: A new and generic algorithm computing concepts from complex and heterogeneous data

P. 1-20.
Kuznetsov S., Demko C., Bertet K., Faucher C., Viaud J.

In this article, we present a new data type agnostic algorithm calculating a concept lattice from heterogeneous and complex data. Our NextPriorityConcept algorithm is first introduced and proved in the binary case as an extension of Bordat's algorithm with the notion of strategies to select only some predecessors of each concept, avoiding the generation of unreasonably large lattices. The algorithm is then extended to any type of data in a generic way. It is inspired from pattern structure theory, where data are locally described by predicates independent of their types, allowing the management of heterogeneous data.