... acquire more over time: we in-tend for it to generalize and encapsulate best practices,and serve as a testbed for new practices. Dyna is now be-ing used for parsing, machine translation, morphologicalanalysis, ... used for parsing, syntax-based machine translation, morphological analysis, grammarinduction, and finite-state operations.It is well known that various parsing algorithms for CFG and other formalisms ... intensivework, given complex models or a large search space (asin modern statistical parsing and machine translation). Itis a major effort to break into the field with a new system,and modifying existing...