Nested Named Entity Recognition On Ace 2005

Metrics

Results

Performance results of various models on this benchmark

Model Name	F1	Paper Title	Repository
Baseline + BS	87.15	Boundary Smoothing for Named Entity Recognition
Neural segmental hypergraphs	74.5	Neural Segmental Hypergraphs for Overlapping Mention Recognition
BARTNER	84.74	A Unified Generative Framework for Various NER Subtasks
PIQN	87.42	Parallel Instance Query Network for Named Entity Recognition
W2NER	86.79	Unified Named Entity Recognition as Word-Word Relation Classification
seq2seq+BERT+Flair	84.33	Neural Architectures for Nested NER through Linearization
BiFlaG	75.1	Bipartite Flat-Graph Network for Nested Named Entity Recognition
Sequence-to-Set	87.05	A Sequence-to-Set Network for Nested Named Entity Recognition
Merge and Label	82.4	Merge and Label: A novel neural network architecture for nested NER
LogSumExpDecoder	84.93	Nested Named Entity Recognition via Explicitly Excluding the Influence of the Best Path
Anchor-Region Networks	75.9	Sequence-to-Nuggets: Nested Entity Mention Detection via Anchor-Region Networks
PO-TreeCRFs	85.4	Nested Named Entity Recognition with Partially-Observed TreeCRFs
Triaffine + ALBERT	88.83	Fusing Heterogeneous Factors with Triaffine Mechanism for Nested Named Entity Recognition	-
BINDER	89.5	Optimizing Bi-Encoder for Named Entity Recognition via Contrastive Learning
Hashing	85.90	To be Continuous, or to be Discrete, Those are Bits of Questions
neural transition-based model	73.0	A Neural Transition-based Model for Nested Mention Recognition
BoningKnife	85.46	BoningKnife: Joint Entity Mention Detection and Typing for Nested NER via prior Boundary Knowledge	-
Triaffine + BERT	86.82	Fusing Heterogeneous Factors with Triaffine Mechanism for Nested Named Entity Recognition	-
Neural layered model	72.2	A Neural Layered Model for Nested Named Entity Recognition
CNN-NER	87.42	An Embarrassingly Easy but Strong Baseline for Nested Named Entity Recognition

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