[Corpora-List] head of a (short) sentence

[Yannick Versley]

Dear Vincenzo,

The problem you have does come up in computational linguistics
occasionally, and you'll find solutions such as by Ponzetto&Strube:
http://www.cl.uni-heidelberg.de/~ponzetto/pubs/ponzetto07b.pdf
It's probably not too difficult to do something similar by running
(say) the Stanford Parser, and use the head finder from the same
package to determine the head of the whole phrase, or use a
dependency parser such as MALTParser right away (in a dependency
parse, the head of the phrase or sentence is attached to root (0)
while all the modifiers are attached to something else.

However, there are enough small-but-important details that you'd
want to care about (speed vs accuracy tradeoffs, the exact head
definition, i.e. do you want the lexical head "has" or the semantic
head "driven" of "Peter has driven his car"; does it start from raw
text or from tokens), and the task itself is easy enough that people
usually build their own version of it if/when they need one.

Best wishes,
Yannick Versley

On Fri, Jun 24, 2011 at 12:45 PM, Vincenzo (Enzo) Maltese
<maltese at disi.unitn.it> wrote:
> Dear all,
>
> I’m not an expert in NLP, but I’m looking for a java function acting as a
> black box
>
> that by taking a short sentence in English such as “white wines in Italy”
>
> returns the head of the sentence “wines”, i.e. something like:
>
>
>
> String getHead(String)
>
>
>
> Is there any?
>
>
>
> Thanks in advance,
>
> Vincenzo Maltese
>
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