A proposal is presented for a standard ontology language defined as ElPub/SciX Ontology, based on the content of a web digital library of conference proceedings. This content, i.e., ElPub/SciX documents, aims to provide access to papers presented at the total editions of the International Conference in Electronic Publishing (ElPub). After completing its 10th years in 2006, ElPub/SciX is now a comprehensive repository with over 400 papers. Previous work has been used as a basis to build up the ontology described here. It has been presented at Elpub2004 and it dealt with an Information Retrieval System using Computational Linguistics (SiRILiCo). ElPub/SciX ontology constitutes a lightweight ontology (classes and just some instances) and is the result of two basic procedures. The first one is a syntactic analysis carried out through the Syntactic Parser-VISL. This free tool, based on lingsoft's ENGCG parser, is made available through the Visual Interactive Syntactic Learning, a rese...