Task C - Non-Taxonomic Relationship Extraction

with Th and Tt being head and tail taxonomic types, respectively, and r the non-taxonomic semantic relation between them, chosen from a predefined set R of semantic relations. Participants will train a system to classify pairs of types into these semantic relations. The training phase involves types and triples of semantic relations; the test phase requires applying the trained system to predict semantically related triples from given types and the set of relations. The caveat here is that we do not expect participant systems to infer a semantic relation but rather establish semantically related types and classify their relation from a known set of predetermined relations.