Named Entity Recognition (NER)

Named Entity Recognition (NER) is a task of Natural Language Processing (NLP) that involves identifying and classifying named entities in a text into predefined categories such as person names, organizations, locations, and others. The goal of NER is to extract structured information from unstructured text data and represent it in a machine-readable format. Approaches typically use BIO notation, which differentiates the beginning (B) and the inside (I) of entities. O is used for non-entity tokens.

Example:

| Mark | Watney | visited | Mars | | --- | ---| --- | --- | | B-PER | I-PER | O | B-LOC |

( Image credit: Zalando )

Papers

Recently Added Most Hyped Most Active Needs Verification Most Verified

Showing 2826–2850 of 2874 papers

Title	Date	Tasks	Status
Identifying Comparable Corpora Using LDA	Jun 1, 2012	Language ModellingMachine Translation	—Unverified
Adaptation d'un syst\`eme de reconnaissance d'entit\'es nomm\'ees pour le fran \`a l'anglais \`a moindre co\^ut (Adapting a French Named Entity Recognition System to English with Minimal Costs) [in French]	Jun 1, 2012	named-entity-recognitionNamed Entity Recognition	—Unverified
Finding the Right Supervisor: Expert-Finding in a University Domain	Jun 1, 2012	Information RetrievalNamed Entity Recognition (NER)	—Unverified
The Intelius Nickname Collection: Quantitative Analyses from Billions of Public Records	Jun 1, 2012	Coreference ResolutionEntity Extraction using GAN	—Unverified
Automatic Approaches for Gene-Drug Interaction Extraction from Biomedical Text: Corpus and Comparative Evaluation	Jun 1, 2012	Named Entity Recognition (NER)	—Unverified
Monte Carlo MCMC: Efficient Inference by Sampling Factors	Jun 1, 2012	Dependency ParsingNamed Entity Recognition (NER)	—Unverified
Bootstrapping Biomedical Ontologies for Scientific Text using NELL	Jun 1, 2012	Named Entity Recognition (NER)Open Information Extraction	—Unverified
Nudging the Envelope of Direct Transfer Methods for Multilingual Named Entity Recognition	Jun 1, 2012	Information RetrievalMachine Translation	—Unverified
Classifying Gene Sentences in Biomedical Literature by Combining High-Precision Gene Identifiers	Jun 1, 2012	Information RetrievalNamed Entity Recognition (NER)	—Unverified
Evaluation of a Complex Information Extraction Application in Specific Domain	May 1, 2012	ClusteringNamed Entity Recognition (NER)	—Unverified
A Rough Set Formalization of Quantitative Evaluation with Ambiguity	May 1, 2012	Information RetrievalMachine Translation	—Unverified
Automatic lexical semantic classification of nouns	May 1, 2012	ClassificationEntity Typing	—Unverified
An Adaptive Framework for Named Entity Combination	May 1, 2012	named-entity-recognitionNamed Entity Recognition	—Unverified
Bulgarian X-language Parallel Corpus	May 1, 2012	named-entity-recognitionNamed Entity Recognition	—Unverified
CALBC: Releasing the Final Corpora	May 1, 2012	named-entity-recognitionNamed Entity Recognition	—Unverified
Aleda, a free large-scale entity database for French	May 1, 2012	Entity LinkingEntity Resolution	—Unverified
Centroids: Gold standards with distributional variation	May 1, 2012	Named Entity Recognition (NER)	—Unverified
Challenges in the Knowledge Base Population Slot Filling Task	May 1, 2012	DiversityEntity Linking	—Unverified
Rule-based Entity Recognition and Coverage of SNOMED CT in Swedish Clinical Text	May 1, 2012	named-entity-recognitionNamed Entity Recognition	—Unverified
Tree-Structured Named Entity Recognition on OCR Data: Analysis, Processing and Results	May 1, 2012	Language ModelingLanguage Modelling	—Unverified
Creating and Curating a Cross-Language Person-Entity Linking Collection	May 1, 2012	Entity LinkingKnowledge Base Population	—Unverified
A disambiguation resource extracted from Wikipedia for semantic annotation	May 1, 2012	Information RetrievalNamed Entity Recognition (NER)	—Unverified
Evaluating the Impact of External Lexical Resources into a CRF-based Multiword Segmenter and Part-of-Speech Tagger	May 1, 2012	Named Entity Recognition (NER)Part-Of-Speech Tagging	—Unverified
A data and analysis resource for an experiment in text mining a collection of micro-blogs on a political topic.	May 1, 2012	Named Entity Recognition (NER)Sentiment Analysis	—Unverified
Evaluating the Impact of Phrase Recognition on Concept Tagging	May 1, 2012	Entity LinkingNamed Entity Recognition (NER)	—Unverified

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All datasets CoNLL 2003 (English)Ontonotes v5 (English)NCBI Disease WNUT 2017 ACE 2005 JNLPBA BC5CDR GENIA BC2GM BC5CDR-chemical SLUE CoNLL++

Benchmark Results

#	Model	Metric	Claimed	Verified	Status
1	ACE + document-context	F1	94.6	—	Unverified
2	LUKE 483M	F1	94.3	—	Unverified
3	Co-regularized LUKE	F1	94.22	—	Unverified
4	LUKE + SubRegWeigh (K-means)	F1	94.2	—	Unverified
5	ASP+T5-3B	F1	94.1	—	Unverified
6	FLERT XLM-R	F1	94.09	—	Unverified
7	PL-Marker	F1	94	—	Unverified
8	CL-KL	F1	93.85	—	Unverified
9	XLNet-GCN	F1	93.82	—	Unverified
10	RoBERTa + SubRegWeigh (K-means)	F1	93.81	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	BERT-MRC+DSC	F1	92.07	—	Unverified
2	PL-Marker	F1	91.9	—	Unverified
3	Baseline + BS	F1	91.74	—	Unverified
4	Biaffine-NER	F1	91.3	—	Unverified
5	BERT-MRC	F1	91.11	—	Unverified
6	PIQN	F1	90.96	—	Unverified
7	HGN	F1	90.92	—	Unverified
8	Syn-LSTM + BERT (wo doc-context)	F1	90.85	—	Unverified
9	DiffusionNER	F1	90.66	—	Unverified
10	W2NER	F1	90.5	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	BioBERT	F1	89.71	—	Unverified
2	SpanModel + SequenceLabelingModel	F1	89.6	—	Unverified
3	SciFive-Base	F1	89.39	—	Unverified
4	BLSTM-CNN-Char (SparkNLP)	F1	89.13	—	Unverified
5	Spark NLP	F1	89.13	—	Unverified
6	KeBioLM	F1	89.1	—	Unverified
7	CL-KL	F1	88.96	—	Unverified
8	BioKMNER + BioBERT	F1	88.77	—	Unverified
9	BioLinkBERT (large)	F1	88.76	—	Unverified
10	CompactBioBERT	F1	88.67	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	CL-KL	F1	60.45	—	Unverified
2	RoBERTa + SubRegWeigh (K-means)	F1	60.29	—	Unverified
3	BERT-CRF (Replicated in AdaSeq)	F1	59.69	—	Unverified
4	RoBERTa-BiLSTM-context	F1	59.61	—	Unverified
5	BERT + RegLER	F1	58.9	—	Unverified
6	TNER -xlm-r-large	F1	58.5	—	Unverified
7	HGN	F1	57.41	—	Unverified
8	ASA + RoBERTa	F1	57.3	—	Unverified
9	BERTweet	F1	56.5	—	Unverified
10	MINER	F1	54.86	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	Ours: cross-sentence ALB	F1	90.9	—	Unverified
2	GoLLIE	F1	89.6	—	Unverified
3	PromptNER [RoBERTa-large]	F1	88.26	—	Unverified
4	PIQN	F1	87.42	—	Unverified
5	PromptNER [BERT-large]	F1	87.21	—	Unverified
6	DiffusionNER	F1	86.93	—	Unverified
7	BERT-MRC	F1	86.88	—	Unverified
8	UniNER-7B	F1	86.69	—	Unverified
9	Locate and Label	F1	86.67	—	Unverified
10	BoningKnife	F1	85.46	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	KeBioLM	F1	82	—	Unverified
2	BLSTM-CNN-Char (SparkNLP)	F1	81.29	—	Unverified
3	Spark NLP	F1	81.29	—	Unverified
4	BINDER	F1	80.3	—	Unverified
5	BioMobileBERT	F1	80.13	—	Unverified
6	BioLinkBERT (large)	F1	80.06	—	Unverified
7	DistilBioBERT	F1	79.97	—	Unverified
8	CompactBioBERT	F1	79.88	—	Unverified
9	BioDistilBERT	F1	79.1	—	Unverified
10	PubMedBERT uncased	F1	79.1	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	BINDER	F1	91.9	—	Unverified
2	ConNER	F1	91.3	—	Unverified
3	CL-L2	F1	90.99	—	Unverified
4	aimped	F1	90.95	—	Unverified
5	BertForTokenClassification (Spark NLP)	F1	90.89	—	Unverified
6	BioLinkBERT (large)	F1	90.22	—	Unverified
7	ELECTRAMed	F1	90.03	—	Unverified
8	Spark NLP	F1	89.73	—	Unverified
9	BLSTM-CNN-Char (SparkNLP)	F1	89.73	—	Unverified
10	UniNER-7B	F1	89.34	—	Unverified