The extraction of relevant terms from texts is an extensively researched task in Text-Mining. Relevant terms have been applied in diverse areas such as Information Retrieval or document clustering and classification. Relevance has, however, a rather fuzzy nature since the classification of some terms as relevant or not relevant is not consensual. Concepts, on the other hand, have a less fuzzy nature. Instead of inferring the importance of a term during the extraction process, as is usually done, it is proposed to focus on the extraction of generic concepts from texts and leave the decision...