"Intro to Pyparsing" Article at ONLamp

Steve Holden steve at holdenweb.com
Tue Jan 31 00:07:19 CET 2006


Bengt Richter wrote:
> On Mon, 30 Jan 2006 16:39:51 -0500, Peter Hansen <peter at engcorp.com> wrote:
[...]
> 
> The computer at CMU is pretty good at parsing. You can try it at
>     http://www.link.cs.cmu.edu/link/submit-sentence-4.html
> 
> Here's what it did with "The horse raced past the barn fell." :
> 
[...]

I suppose we shouldn't torment these programs ...

++++Time                                          0.03 seconds (81.41 total)
Found 10 linkages (6 with no P.P. violations)
   Linkage 1, cost vector = (UNUSED=0 DIS=2 AND=0 LEN=19)

 
+------Os-----+----------Bs*t---------+-----MVt-----+   +-
  +-Sp*i-+--Ce--+Sp*i+    +---D*u--+-----R----+--Cr--+--Ss-+--MVb-+ 
  +Mpc+
  |      |      |    |    |        |          |      |     |      | 
  |   |
I.p thought.v I.p saw.v the langauge[?].n that.r Python is.v better.a 
than in


---Js----+
  +---Ds--+
  |       |
the corridor.n

Constituent tree:

(S (NP I)
    (VP thought
        (SBAR (S (NP I)
                 (VP saw
                     (NP (NP the langauge)
                         (SBAR (WHNP that)
                               (S (NP Python)
                                  (VP is
                                      (ADVP better)
                                      (PP (NP than)
                                          (PP in
                                              (NP the corridor))))))))))))
-- 
Steve Holden       +44 150 684 7255  +1 800 494 3119
Holden Web LLC                     www.holdenweb.com
PyCon TX 2006                  www.python.org/pycon/




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