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Nested named entity recognition is a subtask of information extraction that seeks to locate and classify nested named entities (i.e., hierarchically structured entities) mentioned in unstructured text (Source: Adapted from Wikipedia).

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Greatest papers with code

A Feature-Based Model for Nested Named-Entity Recognition at VLSP-2018 NER Evaluation Campaign

22 Mar 2018minhpqn/vietner

In this report, we describe our participant named-entity recognition system at VLSP 2018 evaluation campaign.

NESTED NAMED ENTITY RECOGNITION

Neural Segmental Hypergraphs for Overlapping Mention Recognition

EMNLP 2018 berlino/overlapping-ner-em18

In this work, we propose a novel segmental hypergraph representation to model overlapping entity mentions that are prevalent in many practical datasets.

NESTED MENTION RECOGNITION NESTED NAMED ENTITY RECOGNITION OVERLAPPING MENTION RECOGNITION

Pyramid: A Layered Model for Nested Named Entity Recognition

ACL 2020 LorrinWWW/Pyramid

Its hidden state at layer l represents an l-gram in the input text, which is labeled only if its corresponding text region represents a complete entity mention.

Ranked #2 on Nested Named Entity Recognition on GENIA (using extra training data)

NESTED NAMED ENTITY RECOGNITION