Shallow Syntax on Penn Treebank

Metric: F1 score (higher is better)

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#	Model↕	F1 score▼	Extra Data	Paper	Date↕	Code
1	ACE	97.3	No	Automated Concatenation of Embeddings for Struct...	2020-10-10	Code
2	Flair embeddings	96.72	No	-	-	Code
3	JMT	95.77	No	A Joint Many-Task Model: Growing a Neural Networ...	2016-11-05	Code
4	Low supervision	95.57	No	-	-	-
5	IntNet + BiLSTM-CRF	95.29	No	Learning Better Internal Structure of Words for ...	2018-10-29	-
6	Suzuki and Isozaki	95.15	No	-	-	-
7	NCRF++	95.06	No	NCRF++: An Open-source Neural Sequence Labeling ...	2018-06-14	Code
8	BI-LSTM-CRF (Senna) (ours)	94.46	No	Bidirectional LSTM-CRF Models for Sequence Tagging	2015-08-09	Code

#1ACESOTA
97.3
F1 score· 2020-10-10
Automated Concatenation of Embeddings for Structured Prediction Code
#2Flair embeddings
96.72
F1 score
No paperCode
#3JMTSOTA
95.77
F1 score· 2016-11-05
A Joint Many-Task Model: Growing a Neural Network for Multiple NLP Tasks Code
#4Low supervision
95.57
F1 score
No paper
#5IntNet + BiLSTM-CRF
95.29
F1 score· 2018-10-29
Learning Better Internal Structure of Words for Sequence Labeling
#6Suzuki and Isozaki
95.15
F1 score
No paper
#7NCRF++
95.06
F1 score· 2018-06-14
NCRF++: An Open-source Neural Sequence Labeling Toolkit Code
#8BI-LSTM-CRF (Senna) (ours)SOTA
94.46
F1 score· 2015-08-09
Bidirectional LSTM-CRF Models for Sequence Tagging Code