This is the homepage of an end-to-end discourse parser to parse free
texts in the Penn
Discourse Treebank (PDTB) style in a fully data-driven approach.
The parser consists of multiple components joined in a sequential
pipeline architecture, which includes a connective classifier, argument
labeler, explicit classifier, non-explicit classifier, and attribution
span labeler. Our trained parser first identifies all discourse
relations, locates and labels their arguments, and then classifies the
sense of the relation between each pair of arguments. For the
identified relations, the parser also determines the attribution spans,
if any, associated with them.
This software is licensed under the GNU
Public License (GPL).
The Java reimplementation of the parser can be downloaded from here.
(Developed and maintained by Ilija)
The old source code in Ruby can be downloaded from here.
Ziheng Lin, Hwee Tou Ng and Min-Yen Kan (2014).
A PDTB-Styled End-to-End Discourse Parser. Natural Language Engineering, 20, pp 151-184. Cambridge University Press.
Ziheng Lin, Chang Liu, Hwee Tou Ng and Min-Yen Kan (2012). Combining
Coherence Models and Machine Translation Evaluation Metrics for
Summarization Evaluation. In Proceedings of the 50th Annual Meeting
of the Association for Computational Linguistics (ACL 2012), Jeju,
Korea, July. (pdf)
Ziheng Lin, Hwee Tou Ng and Min-Yen Kan (2011). Automatically
Evaluating Text Coherence Using Discourse Relations. In Proceedings
of the 49th Annual Meeting of the Association for Computational
Linguistics: Human Language Technologies (ACL-HLT 2011), Portland,
Oregon, USA, June. (pdf)
Hwee Tou Ng and Min-Yen Kan (2010). A
PDTB-Styled End-to-End Discourse Parser.
Technical Report TRB8/10, School of Computing, National University of
Singapore, August. (pdf)
Min-Yen Kan and Hwee Tou Ng (2009). Recognizing
Implicit Discourse Relations in the Penn Discourse Treebank.
In Proceedings of the 2009 Conference on Empirical Methods in Natural
Language Processing (EMNLP 2009), Singapore, August. (pdf)
Prof. Min-Yen Kan
Prof. Hwee Tou Ng
2010-2019 Ziheng Lin