contention uses what as the parent method?
Entity Entity Entity Entity Entity Entity Entity Entity
m.0b5vf m.026lnjl m.026sd4s m.05y8lbc m.05y8lbs m.06mzm4 m.0b5ty m.0cp5f
Carrier sense multiple access with collision detection Multiple Access with Collision Avoidance Multiple Access with Collision Avoidance for Wireless Aloha Slotted Aloha CSMA/CARP Carrier sense multiple access with collision avoidance Carrier sense multiple access
class entity
engineering.channel_access_method m.03cfn07
engineering.channel_access_method engineering.channel_access_method
Channel access method Contention
none none
engineering.channel_access_method.parent_method
Parent method
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 :engineering.channel_access_method . 
VALUES ?x1 { :m.03cfn07 } 
?x0 :engineering.channel_access_method.parent_method ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND engineering.channel_access_method (JOIN engineering.channel_access_method.parent_method m.03cfn07))