(2013-04-15) Ghislain Atemezing: Imports a small ontology defining data structure similar to rdf:seq or datatypes in OWL specification (see: http://www.w3.org/TR/owl-ref/#Datatype)
(2013-08-22) Bernard Vatant: Other PML2 ontologies are available at http://inference-web.org/2.0/, and http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.186.8633 is a reference paper for the whole PML2 infrastructure, defined as "an interlingua for sharing explanations generated by various automated systems such as hybrid web-based question answering systems, text analytics, theorem proving, task processing, web services execution, rule engines, and machine learning components."
