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Named Entity Recognition

2014
Named entity recognition (NER) is the problem of locating and categorizing important nouns and proper nouns in a text. In this chapter, we review the general state of research on entity recognition, relevant challenges and the current state of the art works on named entity recognition on Semitic languages.
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Entity relationship extraction optimization based on entity recognition

2019 International Conference on Image and Video Processing, and Artificial Intelligence, 2019
Chinese entity relationship is usually stored in the form of a triple, usually based on dependent on its syntactic and semantic role labeling way of information extraction, the method to extract the entities may be greatly influenced by noise, this paper USES neural network is optimized by the recognition of Chinese entities triples, abstracted from ...
Yanru Zhong   +4 more
openaire   +1 more source

Crowdsourcing Named Entity Recognition and Entity Linking Corpora

2017
This chapter describes our experience with crowdsourcing a corpus containing named entity annotations and their linking to DBpedia. The corpus consists of around 10,000 tweets and is still growing, as new social media content is added. We first define the methodological framework for crowdsourcing entity annotated corpora, which combines expert-based ...
Kalina Bontcheva   +2 more
openaire   +1 more source

Named Entity Recognition Using Gazetteer of Hierarchical Entities

2019
This paper presents a named entity recognition method which finds predetermined entities in an unstructured text. The method uses word similarities based on typical word transformations (lemmatization and stemming), word embeddings and character level based similarity to map those entities onto words in the text.
Miha Štravs, Jernej Zupančič
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Entity Subword Encoding for Chinese Long Entity Recognition

2019
Named entity recognition (NER) is a fundamental and important task in natural language processing area, which jointly predicts entity boundaries and pre-defined categories. For Chinese NER task, recognition of long entities has not been well addressed yet.
Changyu Hou, Meiling Wang, Changliang Li
openaire   +1 more source

Named Entity Recognition and Relation Extraction

ACM Computing Surveys, 2022
Zara Nasar   +2 more
exaly  

Nested Named Entity Recognition: A Survey

ACM Transactions on Knowledge Discovery From Data, 2022
Yu Wang, Hanghang Tong, Ziye Zhu
exaly  

Recursive Named Entity Recognition

2022
Cédric Lopez   +7 more
openaire   +1 more source

Chinese mineral named entity recognition based on BERT model

Expert Systems With Applications, 2022
Yuzhu Wang, Zhenhua Wang
exaly  

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