O3F Related Links

UML (Unified Modelling Language) The Unified Modeling Language is an OMG standard for modeling, specifying and documenting systems. It has a rich graphical notation and comprehensive set of diagrams. The UML Class and Object Diagrams are also used for ontology representation.

OMG (Object Management Group). OMG is an international standards organization for object-oriented technologies.

BOUML. BOUML is a free UML 2 tool box allowing you to create UML diagramas. BOUML runs under Unix, Linux, Solaris, MacOS X and Windows. Is a very light and easy to use application.

Enterprise Architect. Enterprise Architect is a paid high performance modeling, visualization and design platform for UML 2, for Windows.

OWL (Web Ontology Language) OWL is the W3C standard for modeling ontologies. OWL was designed to provide a normalized way to process semantic content in the Web and with more expressiveness than XML, RDF and RDFS. Recently OWL has been revised and expanded resulting in its new version OWL 2. OWL is also considered one of the pillars of the emerging Semantic Web.

Protegé. Protégé is a free, open source ontology editor and knowledge‑base framework. The Protégé platform supports two main ways of modelling ontologies via the Protégé-Frames and Protégé-OWL editors. Protégé ontologies can be exported into a variety of formats including RDF(S), OWL, and XML Schema.

W3C (World Wide Web Consortium). International standards organization for Web Technologies.

Ontolingua. Ontolingua is a system for describing ontologies in a form that is compatible with multiple representation languages. The syntax and semantics of Ontolingua definitions are based on a notation and semantics for an extended version of first-order predicate calculus called KIF

KIF (Knowledge Interchange Format). KIF is a computer-oriented language for the interchange of knowledge among disparate programs

Ontology Server. The Ontology Server is a tool that supports distributed, collaborative editing, browsing and creation of Ontolingua ontologies.

KSL (Knowledge Systems Laboratory). KSL is an artificial intelligence research laboratory within the Department of Computer Science at Stanford University.