What is an electrical connector system that is published by USB Implementers Forum with the word "usb" in its name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q58184783 . ?sbj wdt:P123 wd:Q3847420 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'usb')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
electrical connector system: Q58184783 usb implementers forum: Q3847420