UNL Reference Corpus

The UNL Reference Corpus (UC) is the corpus used to prepare and to assess grammars for sentence-based NLization. It is divided in 6 different levels according to the Framework of Reference for UNL (FoR-UNL):

• UC-A1: UNL Reference Corpus A1 (500 isolated sentences with very simple semantic structures)
• UC-A2: UNL Reference Corpus A2 (5 very short stories)
• UC-B1: UNL Reference Corpus B1
• UC-B2: UNL Reference Corpus B2
• UC-C1: UNL Reference Corpus C1
• UC-C2: UNL Reference Corpus C2