which conference sponsor sponsored the same conference series with linux?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
m.045c7b m.0hmyfsv m.05p4tqt m.03mnk m.0dmtp m.0177br m.01m1xf m.0225ty m.02jnnn m.01fr9b m.0d6yqz m.0g5kw77
Google Facebook, Inc. BELNET Hewlett-Packard Cisco Systems, Inc. Geeknet, Inc. Qualcomm Université libre de Bruxelles Linux Magazine O'Reilly Media CodePlex Cercle Informatique ULB
class class entity
conferences.conference_sponsor conferences.conference_series m.01cp2l
conferences.conference_sponsor conferences.conference_series conferences.conference_sponsor
Conference sponsor Conference series linux
none none none
conferences.conference_series.sponsoring_organization conferences.conference_series.sponsoring_organization
Sponsoring organization Sponsoring organization
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :conferences.conference_sponsor . 
?x1 :type.object.type :conferences.conference_series . 
VALUES ?x2 { :m.01cp2l } 
?x1 :conferences.conference_series.sponsoring_organization ?x0 . 
?x1 :conferences.conference_series.sponsoring_organization ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND conferences.conference_sponsor (JOIN (R conferences.conference_series.sponsoring_organization) (JOIN conferences.conference_series.sponsoring_organization m.01cp2l)))