http://imce.jpl.nasa.gov/foundation/mission#Joins1
Class mission:Joins1
dc:description
[=joins1=] and [=joins2=] are distinguishable specializations of [=joins=]. These specializations are employed to indicate distinct ends of a [=Junction=].
rdfs:label
Joins1
oml:type
oml:RelationEntity
rdf:type
owl:Class
rdfs:subClassOf
mission:Joins
mission:Joins1
owl:disjointWith
mission:Joins2