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LINGUIST List 18.786

Wed Mar 14 2007

Software: Shallow Semantic Parser, New Release

Editor for this issue: Hannah Morales <hannahlinguistlist.org>


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        1.    Sebastian Pado, Shallow Semantic Parser, New Release


Message 1: Shallow Semantic Parser, New Release
Date: 13-Mar-2007
From: Sebastian Pado <padocoli.uni-saarland.de>
Subject: Shallow Semantic Parser, New Release


Dear all,

This is to announce the release 1.1 of Shalmaneser (a SHALlow seMANtic
parSER), a system for automatic sense assignment and semantic role
labeling. Shalmaneser comes with pre-trained FrameNet classifiers for
English and German. (Further details below.)

Improvements over the previous release (1.0) include:

- Pre-trained English classifiers for FrameNet release 1.3 (i.e. improved
coverage and accuracy)
- Support for TreeTagger as POS Tagger for both English and German
- Removal of numerous bugs

You can download the software from this URL:

http://www.coli.uni-saarland.de/projects/salsa/shal/

Again, please let us know if you have any questions, comments, or suggestions!

Best,
Sebastian Pado and Katrin Erk

--
Purpose of Shalmaneser

Shalmaneser has been developed with two uses in mind: research in
applications that use shallow semantic parses, and research on better
shallow semantic parsing. So Shalmaneser can be used either as a 'black
box' to obtain semantic parses for free text, or as a research platform
that can be extended to new parsers, languages, or classification paradigms.

Features of Shalmaneser

- Shallow semantic parser: word sense disambiguation for predicates, plus
semantic role labeling
- Input: plain text. Syntactic processing integrated
- Classifiers available: trained on FrameNet data for English and German
(System also applicable to other frameworks)
- System output can be viewed graphically in the SALTO viewer:
http://www.coli.uni-saarland.de/projects/salsa/page.php?id=software
- System realized as a toolchain of independent modules communicating
through a common XML format, hence extensible by further modules
- Interfaces for addition/exchange of parsers, learners, features

More information

K. Erk and S. Pado: Shalmaneser - a flexible toolbox for semantic role
assignment. Proceedings of LREC-06, Genoa.
http://www.coli.uni-saarland.de/~pado/pub/papers/lrec06_erk.pdf

Linguistic Field(s): Computational Linguistics
                            Semantics
                            Syntax

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