Re: Corpora: Comparative evaluation of taggers/parsers

Philip A. Bralich, Ph.D. (
Fri, 14 Nov 1997 08:56:00 -1000

At 02:10 AM 11/14/97 -1000, Jean Hudson wrote:
>Has anyone carried out official tests of the various grammatical taggers
>available in terms of accuracy (recall and precision), robustness, and
>speed? Could someone point us to appropriate research comparison papers
>(rather than just sales publicity)? How many of them mark some structural
>information such as subjects and objects?
>Please reply to:

There is actually very little. There are the results from the MUC
conferences at
And there are the pages posted at the Amalgam page at I have
seen some vague references in some of the materials I have but as
far as I know there is no such comparison in the literature. I will
be watching avidly for your summary. Hopefully, there is more than
I realize.

Recently there was a nice collection of addresses of on-line parsers
posted to the "Linguist" mailing list. The address is:

However, this list contains no comparative evaluation. If you are
become aware of anyone who is doing such work or who would like to
do such work, I would also like to know.

Phil Bralich

Philip A. Bralich, Ph.D.
President and CEO
Ergo Linguistic Technologies
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Honolulu, HI 96822

Tel: (808)539-3920
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