Is one head enough? Mention heads in coreference annotations compared with UD-style heads

Abstract

We present an empirical study that compares mention heads as annotated manually in four coreference datasets (for Dutch, English, Polish, and Russian) on one hand, with heads induced from dependency trees parsed automatically, on the other hand.

Keywords

• head
• enough
• mention
• heads
• coreference
• annotations
• compared
• with
• style
• heads