English
Related papers

Related papers: A Unified MRC Framework for Named Entity Recogniti…

200 papers

Named entity recognition (NER) is frequently addressed as a sequence classification task where each input consists of one sentence of text. It is nevertheless clear that useful information for the task can often be found outside of the…

Computation and Language · Computer Science 2020-12-18 Jouni Luoma , Sampo Pyysalo

Recent advances in named entity recognition (NER) have pushed the boundary of the task to incorporate visual signals, leading to many variants, including multi-modal NER (MNER) or grounded MNER (GMNER). A key challenge to these tasks is…

Computation and Language · Computer Science 2024-04-03 Hyunjong Ok , Taeho Kil , Sukmin Seo , Jaeho Lee

Named entity recognition (NER) is a well-studied task in natural language processing. Traditional NER research only deals with flat entities and ignores nested entities. The span-based methods treat entity recognition as a span…

Computation and Language · Computer Science 2021-07-14 Yongliang Shen , Xinyin Ma , Zeqi Tan , Shuai Zhang , Wen Wang , Weiming Lu

Most of the Natural Language Processing systems are involved in entity-based processing for several tasks like Information Extraction, Question-Answering, Text-Summarization and so on. A new challenge comes when entities play roles…

Computation and Language · Computer Science 2025-11-11 Neelesh Kumar Shukla , Sanasam Ranbir Singh

Traditional named entity recognition (NER) aims to identify text mentions into pre-defined entity types. Continual Named Entity Recognition (CNER) is introduced since entity categories are continuously increasing in various real-world…

Computation and Language · Computer Science 2025-10-14 Yawen Yang , Fukun Ma , Shiao Meng , Aiwei Liu , Lijie Wen

Popular solutions to Named Entity Recognition (NER) include conditional random fields, sequence-to-sequence models, or utilizing the question-answering framework. However, they are not suitable for nested and overlapping spans with large…

Computation and Language · Computer Science 2022-03-08 Hagen Soltau , Izhak Shafran , Mingqiu Wang , Laurent El Shafey

In this work, we address the NER problem by splitting it into two logical sub-tasks: (1) Span Detection which simply extracts entity mention spans irrespective of entity type; (2) Span Classification which classifies the spans into their…

Computation and Language · Computer Science 2023-11-01 Jatin Arora , Youngja Park

Named entity recognition (NER) is the task to identify mentions of rigid designators from text belonging to predefined semantic types such as person, location, organization etc. NER always serves as the foundation for many natural language…

Computation and Language · Computer Science 2023-04-26 Jing Li , Aixin Sun , Jianglei Han , Chenliang Li

In recent years, the fine-tuned generative models have been proven more powerful than the previous tagging-based or span-based models on named entity recognition (NER) task. It has also been found that the information related to entities,…

Computation and Language · Computer Science 2024-06-12 Guochao Jiang , Ziqin Luo , Yuchen Shi , Dixuan Wang , Jiaqing Liang , Deqing Yang

Named Entity Recognition seeks to extract substrings within a text that name real-world objects and to determine their type (for example, whether they refer to persons or organizations). In this survey, we first present an overview of…

Computation and Language · Computer Science 2024-12-23 Imed Keraghel , Stanislas Morbieu , Mohamed Nadif

Named entity recognition (NER) is a well-studied task in natural language processing. However, the widely-used sequence labeling framework is difficult to detect entities with nested structures. In this work, we view nested NER as…

Computation and Language · Computer Science 2020-12-16 Yao Fu , Chuanqi Tan , Mosha Chen , Songfang Huang , Fei Huang

For several purposes in Natural Language Processing (NLP), such as Information Extraction, Sentiment Analysis or Chatbot, Named Entity Recognition (NER) holds an important role as it helps to determine and categorize entities in text into…

Computation and Language · Computer Science 2020-03-24 Thong Nguyen , Duy Nguyen , Pramod Rao

Named entity recognition (NER) is an information extraction technique that aims to locate and classify named entities (e.g., organizations, locations,...) within a document into predefined categories. Correctly identifying these phrases…

Computation and Language · Computer Science 2021-12-16 Tran Thi Hong Hanh , Antoine Doucet , Nicolas Sidere , Jose G. Moreno , Senja Pollak

As a fundamental natural language processing task and one of core knowledge extraction techniques, named entity recognition (NER) is widely used to extract information from texts for downstream tasks. Nested NER is a branch of NER in which…

Computation and Language · Computer Science 2022-04-19 Yifei Yang , Zuchao Li , Hai Zhao

With the proliferation of models for natural language processing tasks, it is even harder to understand the differences between models and their relative merits. Simply looking at differences between holistic metrics such as accuracy, BLEU,…

Computation and Language · Computer Science 2020-12-10 Jinlan Fu , Pengfei Liu , Graham Neubig

Named entity recognition (NER) systems that perform well require task-related and manually annotated datasets. However, they are expensive to develop, and are thus limited in size. As there already exists a large number of NER datasets that…

Computation and Language · Computer Science 2019-04-23 Nargiza Nosirova , Mingbin Xu , Hui Jiang

So far, named entity recognition (NER) has been involved with three major types, including flat, overlapped (aka. nested), and discontinuous NER, which have mostly been studied individually. Recently, a growing interest has been built for…

Computation and Language · Computer Science 2021-12-21 Jingye Li , Hao Fei , Jiang Liu , Shengqiong Wu , Meishan Zhang , Chong Teng , Donghong Ji , Fei Li

Named entity recognition (NER) and entity linking (EL) are two fundamentally related tasks, since in order to perform EL, first the mentions to entities have to be detected. However, most entity linking approaches disregard the mention…

Computation and Language · Computer Science 2019-07-22 Pedro Henrique Martins , Zita Marinho , André F. T. Martins

Named Entity Recognition (NER) and Entity Linking (EL) play an essential role in voice assistant interaction, but are challenging due to the special difficulties associated with spoken user queries. In this paper, we propose a novel…

Named entity recognition (NER) has been one of the essential preliminary steps in modern NLP applications. This report focuses on implementing the NER task on finetuning two pretrained models: (i) an encoder-only model (BERT) with a simple…

Computation and Language · Computer Science 2026-05-19 Mei Jia