Apparatus for software product' upgrade and downgrade of electric equipment from web

An apparatus has means that software composition hierarchy of electric equipment is explained by ontology for software products group information including software product element information such as software product name, version, performance conditions, program size and software product's entity (ex. executable format) as software product's element data are put on web, these elements are interconnected as LOD (Linked Open Data) by RDF (Resource Description Framework) or OWL (Ontology Web Language), has means that whole or part of hardware of electric equipment can be superseded by firmware stored in storage component such as FPGA (Field Programming Gate Array), has means that make it possible to upgrade or downgrade of system through Linked Open Data by endpoint server handling question sentence such as SPARQL, has means that system compatibility to verify logical performance conditions between necessary software elements on the side of web or in the side of electric equipment, has means that software products are downloaded into electric equipment and has means that software product's upgrade or downgrade from web to electric equipment using means to reconfiguration whole or part of electric equipment's software instead of backup data originally installed software products on web.