FOAF Metadata of Akihiro Oyamada 2007-12-12 2007-12-12 Akihiro Oyamada 小山田 晃浩 Mr male Akihiro Oyamada aki 82aea770d309a299394514ea5342e12cc57c0b16 XML XHTML 2 HTML 5 CSS 3 Semantic Web Web browsers open standards Visual-Rock music Tekken 6