On Mon, Nov 05, 2007 at 11:11:41AM -0800, Matt Mahoney wrote:
> --- Linas Vepstas <[EMAIL PROTECTED]> wrote:
> > I "randomly" selected the link grammer parser
> > http://www.link.cs.cmu.edu/link/ for the parser,
> 
> It still has a few bugs.
> 
> (S (NP I)
>    (VP ate pizza
>        (PP with
>            (NP pepperoni)))
>    .)
> 
> (S (NP I)
>    (VP ate pizza
>        (PP with
>            (NP Bob)))
>    .)
> 
> (S (NP I)
>    (VP ate pizza
>        (PP with
>            (NP a fork)))
>    .)

? Its a parser, not a common-sense reasoning machine. 
1) check the box "all linkages"
2) notice that there can be several alternative linkages.
3) notice that some of the parsed sentences had both 
   unknown words, and null linkages -- i.e. it was unable 
   to parse, but provided a few of its best guesses.

If you don't know what "pepperoni" is, it's worthwhile
to explore the possibility that "pepperoni" is an eating 
utensil, or that "pepperoni" is a person's name.

--linas

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