SOURCE
hasjob(Person, Field)
teaches(Professor, Course)
inField(Course, Field)
get(Researcher, Grant)
forGrant(Grant, Project)

TARGET
works(Person, Project)
area(Project, Field)

MAPPING
hasjob($i, $f) -> works($i, $p), area($p, $f).
teaches($i, $c), inField($c, $f) -> works($i, $p), area($p, $f).
get($i, $g), forGrant($g, $p) -> works($i, $p).