DAML-S: DAML for web Services

A DAML+OIL ontology/language for (formally) describing properties and capabilities of Web services

DAML-S  (Services)

DAML-???  (Rules, FOL?)

DAML+OIL è OWL  (Ontology)

RDFS  (RDF Schema)

RDF  (Resource Description Framework)

XML  (Extensible Markup Language)