SPADE DOWNLOAD PAGE
SPADE (Sentence-level PArsing for DiscoursE) is a discourse parser at sentence level written by Radu Soricut at USC/ISI. You can find details about the approach implemented by SPADE in the paper:
Radu Soricut and Daniel Marcu (2003). Sentence Level Discourse Parsing using Syntactic and Lexical Information. Proceedings of the Human Language Technology and North American Association for Computational Linguistics Conference (HLT/NAACL), May 27-June 1, Edmonton, Canada.
SPADE assumes as input a one-sentence-per-line file, and the output is one discourse parse tree per sentence. The algorithm uses syntactic parse trees, and needs to call Charniak's syntactic parser. See the bottom of this page for instructions on how to integrate Charniak's parser with SPADE. Both Charniak's parser and SPADE use SUN executables; SPADE also needs Perl 5.0 (or newer).
An embbeded feature of SPADE is the discourse segmenter. You can run SPADE with the -seg-only option; in this case, the output is one segment (elementary discourse unit) per line, with end-of-sentence boundaries inserted at the original (input) sentence boundaries.
This material is based upon work supported by the National Science Foundation under Grant No. 0097846. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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After downloading, to install the software do the following:
1. Rename the file spade-tar-gz.pl as spade.tar.gz (% mv spade-tar-gz.pl spade.tar.gz)
2. Gunzip the software (% gunzip spade.tar.gz)
3. Un-tar the software (% tar -xvf spade.tar)
4. Edit spade.pl in the bin/ directory; set the value for the $CHP variable to the directory path for Charniak's parser (downloadable from here)
5. run spade.pl with appropriate input file (% spade.pl [-seg-only] one-sentence-per-line-file)