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

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Showing 2776–2800 of 2874 papers

Title	Date	Tasks	Status
A Pipeline Arabic Named Entity Recognition using a Hybrid Approach	Dec 1, 2012	named-entity-recognitionNamed Entity Recognition	—Unverified
Structured Term Recognition in Medical Text	Dec 1, 2012	Named Entity Recognition (NER)	—Unverified
Improving Supervised Sense Disambiguation with Web-Scale Selectors	Dec 1, 2012	Named Entity Recognition (NER)Word Sense Disambiguation	—Unverified
Initial Explorations on using CRFs for Turkish Named Entity Recognition	Dec 1, 2012	named-entity-recognitionNamed Entity Recognition	—Unverified
A Hybrid Approach to Finding Phenotype Candidates in Genetic Texts	Dec 1, 2012	Named Entity Recognition (NER)	—Unverified
Named Entity Recognition System for Urdu	Dec 1, 2012	named-entity-recognitionNamed Entity Recognition	—Unverified
A Comparison and Improvement of Online Learning Algorithms for Sequence Labeling	Dec 1, 2012	Named Entity Recognition (NER)	—Unverified
SIR-NERD: A Chinese Named Entity Recognition and Disambiguation System using a Two-Stage Method	Dec 1, 2012	Chinese Named Entity RecognitionInformation Retrieval	—Unverified
Hybrid Adaptation of Named Entity Recognition for Statistical Machine Translation	Dec 1, 2012	Machine Translationnamed-entity-recognition	—Unverified
A Joint Chinese Named Entity Recognition and Disambiguation System	Dec 1, 2012	Chinese Named Entity RecognitionEntity Linking	—Unverified
Chinese Name Disambiguation Based on Adaptive Clustering with the Attribute Features	Dec 1, 2012	AttributeClustering	—Unverified
Chinese Personal Name Disambiguation Based on Vector Space Model	Dec 1, 2012	Entity LinkingNamed Entity Recognition (NER)	—Unverified
Tamil NER - Coping with Real Time Challenges	Dec 1, 2012	Machine TranslationNamed Entity Recognition (NER)	—Unverified
Attribute based Chinese Named Entity Recognition and Disambiguation	Dec 1, 2012	AttributeChinese Named Entity Recognition	—Unverified
An Experiment in Integrating Sentiment Features for Tech Stock Prediction in Twitter	Dec 1, 2012	Named Entity Recognition (NER)Sentiment Analysis	—Unverified
Ontology-Based Information Extraction from Twitter	Dec 1, 2012	Named Entity Recognition (NER)	—Unverified
N-gram and Gazetteer List Based Named Entity Recognition for Urdu: A Scarce Resourced Language	Dec 1, 2012	Information RetrievalMachine Translation	—Unverified
MAP Inference in Chains using Column Generation	Dec 1, 2012	named-entity-recognitionNamed Entity Recognition	—Unverified
Extracting Networks of People and Places from Literary Texts	Nov 1, 2012	Named Entity Recognition (NER)	—Unverified
Set Expansion using Sibling Relations between Semantic Categories	Nov 1, 2012	Named Entity Recognition (NER)Reading Comprehension	—Unverified
Automatically generated NE tagged corpora for English and Hungarian	Jul 1, 2012	Information RetrievalMachine Translation	—Unverified
EAGER: Extending Automatically Gazetteers for Entity Recognition	Jul 1, 2012	Named Entity Recognition (NER)	—Unverified
Language Independent Named Entity Identification using Wikipedia	Jul 1, 2012	Named Entity Recognition (NER)	—Unverified
Accurate Unsupervised Joint Named-Entity Extraction from Unaligned Parallel Text	Jul 1, 2012	Cross-Domain Named Entity RecognitionDomain Adaptation	—Unverified
Structured Named Entities in two distinct press corpora: Contemporary Broadcast News and Old Newspapers	Jul 1, 2012	Named 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	Spark NLP	F1	89.13	—	Unverified
5	BLSTM-CNN-Char (SparkNLP)	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	BLSTM-CNN-Char (SparkNLP)	F1	89.73	—	Unverified
9	Spark NLP	F1	89.73	—	Unverified
10	UniNER-7B	F1	89.34	—	Unverified