Pearl: A Probabilistic Chart Parser David M Magerrnan author Mitchell P Marcus author 1991-04 text Fifth Conference of the European Chapter of the Association for Computational Linguistics Jürgen Kunze editor Dorothee Reimann editor Association for Computational Linguistics Berlin, Germany conference publication magerrnan-marcus-1991-pearl https://aclanthology.org/E91-1004/ 1991-04