== Reference == A collection of articles and other resources that relate to !InfoGrid but do not directly deal with !InfoGrid. * Johannes Ernst: [wiki:Reference/WhatIsMetaModeling What is metamodeling, and what is it good for?] Published on metamodel.com in the mid-1990s. * Woody Pidcock: [wiki:Reference/PidcockArticle What are the differences between a vocabulary, a taxonomy, a thesaurus, an ontology, and a meta-model?] Published on metamodel.com in 2002.