SERVICE INFORMATION PROVIDING DEVICE, SERVICE INFORMATION PROVIDING METHOD, AND RECORDING MEDIUM

PROBLEM TO BE SOLVED: To provide a service information providing device having a system to apply the ontological technique such as judging the synonyms even for terms appearing in information items relating to the program language. SOLUTION: The service information providing device has service descriptions for describing the contents of any service provided by a service program existing on a network and provides the required service information, wherein the service descriptions are structured so that ontology is specified to at least one of the input/output form, element(s) within the restrictions, element(s) within the advance conditions, and element(s) within the post conditions of the service program. COPYRIGHT: (C)2004,JPO