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In this project, an integrated
text-generation approach
will be realized.
A main emphasis lies on the development of a system which runs
in realtime, so that the acceptance by users
of a natural-language system
increases.
Concerning this aspect the
formalism fo Tree Adjoining Grammars (TAGs) was chosen because
it was successfully applied at the level of
How-to-Say.
In this project, we demonstrate that TAGs
are as well appropriate for the task of
What-to-Say. Since TAGs offer a wide variety of specific
extensions we apply Schema-TAGs with non-monotonic
Unification in order to deal with the problems closely related to
the task of generation (e.g.,
ambiguities and underspecification.
An integrated generation module , i.e.
each component is uniformly realized on the
basis of the same formalism, offers the following advantages.
The necessary communication between
the components is realized without defining a specific communication
language and furthermore, the collaboration of the individual
components can be parametrized.
The addressed
domain in the project is not developed from scratch but
we re-use an existing domain.
Since most of the What-to-Say components run the paradigm of
planning constructive transformation procedures are developed
in order to apply the knowledge sources of the existing plan-based
system VOTE.
On the basis of this experience, general relations between plan-based
and rule-based processing should be found.