This paper presents Trace & Unification Grammar (TUG), a declarative and reversible grammar formalism that brings together Unification Grammar (UG) and ideas of Government & Binding Theory (on)~ The main part of the paper consists in a description of many free word order phenomena of German syntax. It will be shown that the use of traces allows for an easier and more elegant way of description than competing approaches like ID/LP-format rules as used e.g. in GPSG and HPSG. Grammkrs written in the TUG-formallsm can be compiled to a very efficient parser. The occurrence of head movement, wh-movement and scrambling in one sentence does not lead to any decrease in parsing efficiency. 3 For a Jlightly mor~ dctMled d~*eription of the bmdc features of TU(I refer to ([Blo91]).
This paper describes the adaptation and usage of a general purpose spoken dialog system (SDS) for an experimental telephony based online help system. It presents the basic philosophy of the SDS, the application building process and the results of a usability test.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.