A Novel Disambiguation Method for Unification-Based Grammars Using Probabilistic Context-Free Approximations Bernd Kiefer author Hans-Ulrich Krieger author Detlef Prescher author 2002 text COLING 2002: The 19th International Conference on Computational Linguistics conference publication kiefer-etal-2002-novel https://aclanthology.org/C02-1075/ 2002