Named Entity Recognition (NER)

Named entity recognition (NER) is the task of tagging entities in text with their corresponding type.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 |Source: [Zalando](https://research.zalando.com/welcome/mission/research-projects/flair-nlp/)
相关学科: CRFBERTRelation ExtractionPOS taggingChinese Named Entity RecognitionWord EmbeddingsPoSQuestion AnsweringChunkingBiLSTM

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