Hacia un modelo semántico para la descripción del patrimonio Towards a semantic model for heritage description María Laura Caliusco 1 , Emiliano Reynares 1 , Martin Gersbach 2 , Grégoire Champenois 3 1 CIDISI-UTN – Facultad Regional Santa Fe, 3000, Santa Fe, Argentina 2 Fundación Patrimonio Abierto, Ciudad Autónoma de Buenos Aires, Argentina 3 Experto en gestión del patrimonio cultural. Ciudad Autónoma de Buenos Aires, Argentina. lauracaliusco@gmail.com , ereynares@frsf.utn.edu.ar , mg@museosabiertos.org , gregoire.champenois1@gmail.com Abstract. The new ICTs make available a set of tools that can be useful for the digitalization and access of both material and immaterial heritage. Regarding access to digitized heritage, if we want it to be for different people with different training backgrounds, it is necessary to have an element that allows us to "understand" the digitized information. The key element is ontology. This work presents an ontology network for the semantic description of both cultural and natural heritage, as well as each one of the types of manifestations, their actors and historical periods. This network of ontologies will not only allow access to heritage data, but will allow such data to be processed and integrated; further to that, it will become possible to draw conclusions through automatic reasoning. Resumen. Las nuevas TICs ponen a disposición de la comunidad un conjunto de herramientas que pueden ser útiles para la digitalización y para el acceso al patrimonio tanto material como