This page contains the source code of the
Neutral Edge Direction (NED) evaluation measure.
This is a measure used to evaluate dependency parses against a gold standard annotation.
It was developed in the The Hebrew University of Jerusalem by Roy Schwartz, Omri Abend, Roi Reichart and Ari Rappoport.
A complete description of NED appears in the paper:
Linguistically Problematic Annotations in Unsupervised Dependency Parsing
Roy Schwartz, Omri Abend, Roi Reichart and Ari Rappoport
In proceedings of ACL 2011 (long paper) [pdf] [slides] [bib]
The users of this code are requested to cite the above-mentioned publication.
It is distributed under the GNU GENERAL PUBLIC LICENSE (a detailed license file is included).
The code (including a README file) is available here.