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相关论文: Nested Named Entity Recognition via Second-best Se…

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Named entity recognition is a traditional task in natural language processing. In particular, nested entity recognition receives extensive attention for the widespread existence of the nesting scenario. The latest research migrates the…

计算与语言 · 计算机科学 2023-05-23 Xueru Wen , Changjiang Zhou , Haotian Tang , Luguang Liang , Yu Jiang , Hong Qi

Most state-of-the-art approaches for named-entity recognition (NER) use semi supervised information in the form of word clusters and lexicons. Recently neural network-based language models have been explored, as they as a byproduct generate…

计算与语言 · 计算机科学 2014-04-23 Alexandre Passos , Vineet Kumar , Andrew McCallum

Named Entity Recognition and Relation Extraction are two crucial and challenging subtasks in the field of Information Extraction. Despite the successes achieved by the traditional approaches, fundamental research questions remain open.…

计算与语言 · 计算机科学 2024-05-15 Yao Wang , Xin Liu , Weikun Kong , Hai-Tao Yu , Teeradaj Racharak , Kyoung-Sook Kim , Minh Le Nguyen

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…

计算与语言 · 计算机科学 2026-05-19 Mei Jia

We study learning named entity recognizers in the presence of missing entity annotations. We approach this setting as tagging with latent variables and propose a novel loss, the Expected Entity Ratio, to learn models in the presence of…

计算与语言 · 计算机科学 2021-08-17 Thomas Effland , Michael Collins

This paper focuses on the study of recognizing discontiguous entities. Motivated by a previous work, we propose to use a novel hypergraph representation to jointly encode discontiguous entities of unbounded length, which can overlap with…

计算与语言 · 计算机科学 2020-05-28 Aldrian Obaja Muis , Wei Lu

Entity Linking has two main open areas of research: 1) generate candidate entities without using alias tables and 2) generate more contextual representations for both mentions and entities. Recently, a solution has been proposed for the…

计算与语言 · 计算机科学 2020-04-08 Oshin Agarwal , Daniel M. Bikel

This paper studies the effect of the order of depth of mention on nested named entity recognition (NER) models. NER is an essential task in the extraction of biomedical information, and nested entities are common since medical concepts can…

计算与语言 · 计算机科学 2021-04-05 Perceval Wajsburt , Yoann Taillé , Xavier Tannier

Named entity recognition (NER) is one of the tasks in natural language processing that can greatly benefit from the use of external knowledge sources. We propose a named entity recognition framework composed of knowledge-based feature…

计算与语言 · 计算机科学 2019-06-07 Sławomir Dadas

Named entity recognition (NER) plays an important role in text-based information retrieval. In this paper, we combine Bidirectional Long Short-Term Memory (Bi-LSTM) \cite{hochreiter1997,schuster1997} with Conditional Random Field (CRF)…

计算与语言 · 计算机科学 2019-12-04 Ngoc C. Lê , Ngoc-Yen Nguyen , Anh-Duong Trinh

Form understanding is a challenging problem which aims to recognize semantic entities from the input document and their hierarchical relations. Previous approaches face significant difficulty dealing with the complexity of the task, thus…

人工智能 · 计算机科学 2021-06-03 Tuan-Anh Nguyen Dang , Duc-Thanh Hoang , Quang-Bach Tran , Chih-Wei Pan , Thanh-Dat Nguyen

It has been shown that named entity recognition (NER) could benefit from incorporating the long-distance structured information captured by dependency trees. We believe this is because both types of features - the contextual information…

计算与语言 · 计算机科学 2021-04-13 Lu Xu , Zhanming Jie , Wei Lu , Lidong Bing

When combined with In-Context Learning, a technique that enables models to adapt to new tasks by incorporating task-specific examples or demonstrations directly within the input prompt, autoregressive language models have achieved good…

计算与语言 · 计算机科学 2024-10-18 Enzo Shiraishi , Raphael Y. de Camargo , Henrique L. P. Silva , Ronaldo C. Prati

In recent years, named entity recognition has always been a popular research in the field of natural language processing, while traditional deep learning methods require a large amount of labeled data for model training, which makes them…

计算与语言 · 计算机科学 2022-03-29 Yuan Shi

Supervised machine learning assumes the availability of fully-labeled data, but in many cases, such as low-resource languages, the only data available is partially annotated. We study the problem of Named Entity Recognition (NER) with…

计算与语言 · 计算机科学 2019-09-23 Stephen Mayhew , Snigdha Chaturvedi , Chen-Tse Tsai , Dan Roth

Named Entity Recognition (NER) is a critical task in natural language processing, yet it remains particularly challenging for discontinuous entities. The primary difficulty lies in text segmentation, as traditional methods often missegment…

计算与语言 · 计算机科学 2026-01-01 Wen-Fang Su , Hsiao-Wei Chou , Wen-Yang Lin

Here we present the training and evaluation of NanoNER, a Named Entity Recognition (NER) model for Nanobiology. NER consists in the identification of specific entities in spans of unstructured texts and is often a primary task in Natural…

信息检索 · 计算机科学 2024-02-07 Martin Lentschat , Cyril Labbé , Ran Cheng

Acknowledgments in scientific papers may give an insight into aspects of the scientific community, such as reward systems, collaboration patterns, and hidden research trends. The aim of the paper is to evaluate the performance of different…

数字图书馆 · 计算机科学 2023-07-26 Nina Smirnova , Philipp Mayr

Named Entity Recognition (NER) or the extraction of concepts from clinical text is the task of identifying entities in text and slotting them into categories such as problems, treatments, tests, clinical departments, occurrences (such as…

计算与语言 · 计算机科学 2022-08-31 Namrata Nath , Sang-Heon Lee , Ivan Lee

In a large-scale knowledge graph (KG), an entity is often described by a large number of triple-structured facts. Many applications require abridged versions of entity descriptions, called entity summaries. Existing solutions to entity…

计算与语言 · 计算机科学 2020-05-12 Junyou Li , Gong Cheng , Qingxia Liu , Wen Zhang , Evgeny Kharlamov , Kalpa Gunaratna , Huajun Chen