Content Planning, also
known as Document Planning and Macroplanning, is the first
stage of a
Generation (NLG) pipeline.
Given a Semantic Input,
together with communicative goals, a NL Generation system targets
producing a textual output conveying the information present in the
input, in such a way that the communicative goals are achieved.
This complex task is normally
divided in three steps (Reiter,
1994): Document/Content Planning, Microplanning and Surface
Realization. (See box on the right for
details.) In such a pipelined design the input is modified and
refined, getting closer to the textual output in every step.
Abstracts concepts get grounded, synonyms are choosen and the actual
wording is selected, in order to convey the semantic information
present in the input.
For a good background reading on the subject, please
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