benhachey/conll03_nel_eval — pull request #28 by jnothman (2014-02-26 03:34:09+00:00)
Title: Allow IOB1

Two different IOB conventions are in use: use `B` for all mention starts; or use only for abutting mentions of same label (which would be rare in NEL). AFAIK, the latter was used in CoNLL 03. We currently support the former. This patch allows for either.