c) extracting linguistic information on a large scale such as lexical preferences for verb subcategorization frames.
(cf Kinyon (99a)) d) Building an efficient, but nonetheless psycholinguistically motivated, processing model for TAGs (cf Kinyon 99b)in addition of being well-defined computational objects (Point a), hypertags should be "readable" (point b) and also motivated from a linguistic point of view (Points c & d).