[Lexicog] Semantic parsing

[Rudolph Troike]

Patrick's excellent and very clear exposition of the problem of semantic
parsing is exactly what is being addressed in Charles Fillmore's seemingly
little known Framenet project, which is using frame semantics to set up an
automatic semantic annotation system. The url for the project is:

        http://framenet.icsi.berkeley.edu/

A description of the project at the website is as follows:

The Berkeley FrameNet project is creating an on-line lexical resource for
English, based on frame semantics and supported by corpus evidence. The aim is
to document the range of semantic and syntactic combinatory possibilities
(valences) of each word in each of its senses, through computer-assisted
annotation of example sentences and automatic tabulation and display of the
annotation results. The major product of this work, the FrameNet lexical
database, currently contains more than 8,900 lexical units (defined below),
more than 6,100 of which are fully annotated, in more than 625 semantic 
frames,
exemplified in more than 135,000 annotated sentences. It has gone 
through three
releases, and is now in use by hundreds of researchers, teachers, and students
around the world (see FrameNet Users). Active research projects are now 
seeking
to produce comparable frame-semantic lexicons for other languages and 
to devise
means of automatically labeling running text with semantic frame information.

     A Google search shows that there is a Spanish Framenet project as well.
This is exactly the sort of detailed 
co-occurrence/collocation/subcategorization
information that lexicographers need to be aware of, and that Patrick was
calling for. Fillmore has been working on this for well over a decade, 
although
for some reason his work seems much less well known than Adele Goldberg's,
perhaps because he has not published a book on it.

      Rudy Troike




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