1 of 6

Syntactic & Semantic Fundamentals of NLP

Lecture 8

Graph-Based Dependency Parsing and Neural Parsers

Krishnendu Ghosh

2 of 6

Syntax

Graph-based parsing (Eisner’s algorithm)�

BiLSTM-based neural dependency parsers�

Evaluation metrics: UAS, LAS�

Demo: Using spaCy or Stanza to visualize dependency parses

​

3 of 6

Syntax

4 of 6

Syntax

5 of 6

Syntax

6 of 6