Please Mind the Root: Decoding Arborescences for Dependency Parsing

Ran Zmigrod
Ran Zmigrod
Ryan Cotterell
Ryan Cotterell

EMNLP 2020, pp. 4809-4819, 2020.

Cited by: 0|Views3

Abstract:

The connection between dependency trees and spanning trees is exploited by the NLP community to train and to decode graph-based dependency parsers. However, the NLP literature has missed an important difference between the two structures: only one edge may emanate from the root in a dependency tree. We analyzed the output of state-of-the-...More

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