When Can Language Models Join Without Relation Names? Unique-Path Traversal versus End-to-End Accuracy under Path Ambiguity
OIR is the test: relation words such as “works at” are replaced by codes, and the model is not given a dictionary. ARM is a one-line header in the prompt that names the condition, for example OPAQUE_AMBIG. Named-arm keeps that header and a readable id. Hashed-id keeps the header and replaces the id with a hash. No-ARM...