Given (i) an existing knowledge base KB of triples (s, p, o) -where s, o ∈ E KB (set of KB entities) and p ∈ R KB (set of KB relations), and (ii) a set of instances (s , p , o ) from OpenIE extraction (s and o may not belong to E KB , and p are text predicates) For example, given E1 and E2 as OpenIE extractions and background knowledge bases (KB) like IMDB, we want to predict "@film.actor" relation given E1 and "@film.directed by" relation given E2 as the target KB relations between the participating entities.
we want to perform this relation inference at instance-level, which can be different for different entities sharing the same predicate.