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相关论文: Nested Named Entity Recognition as Latent Lexicali…

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Named Entity Recognition (NER) in domains like e-commerce is an understudied problem due to the lack of annotated datasets. Recognizing novel entity types in this domain, such as products, components, and attributes, is challenging because…

计算与语言 · 计算机科学 2020-05-25 Hanchu Zhang , Leonhard Hennig , Christoph Alt , Changjian Hu , Yao Meng , Chao Wang

In this paper we examine the benefit of performing named entity recognition (NER) and co-reference resolution to an English and a Greek corpus used for text segmentation. The aim here is to examine whether the combination of text…

计算与语言 · 计算机科学 2016-10-31 Pavlina Fragkou

Span-based nested named-entity recognition (NER) has a cubic-time complexity using a variant of the CYK algorithm. We show that by adding a supplementary structural constraint on the search space, nested NER has a quadratic-time complexity,…

计算与语言 · 计算机科学 2023-05-29 Caio Corro

Named Entity Recognition has traditionally been a key task in natural language processing, aiming to identify and extract important terms from unstructured text data. However, a notable challenge for contemporary deep-learning NER models…

计算与语言 · 计算机科学 2025-08-19 Tzu-Chieh Chen , Wen-Yang Lin

In the last years, the consolidation of deep neural network architectures for information extraction in document images has brought big improvements in the performance of each of the tasks involved in this process, consisting of text…

计算机视觉与模式识别 · 计算机科学 2020-05-05 Manuel Carbonell , Alicia Fornés , Mauricio Villegas , Josep Lladós

Biomedical Named Entity Recognition presents significant challenges due to the complexity of biomedical terminology and inconsistencies in annotation across datasets. This paper introduces SRU-NER (Slot-based Recurrent Unit NER), a novel…

计算与语言 · 计算机科学 2025-07-25 João Ruano , Gonçalo M. Correia , Leonor Barreiros , Afonso Mendes

In this work, we revisit the problem of semi-supervised named entity recognition (NER) focusing on extremely light supervision, consisting of a lexicon containing only 10 examples per class. We introduce ELLEN, a simple, fully modular,…

计算与语言 · 计算机科学 2025-02-26 Haris Riaz , Razvan-Gabriel Dumitru , Mihai Surdeanu

Clinical named entity recognition (NER) aims to retrieve important entities within clinical narratives. Recent works have demonstrated that large language models (LLMs) can achieve strong performance in this task. While previous works focus…

计算与语言 · 计算机科学 2025-02-21 Reza Averly , Xia Ning

Spoken language understanding (SLU) tasks involve mapping from speech audio signals to semantic labels. Given the complexity of such tasks, good performance might be expected to require large labeled datasets, which are difficult to collect…

计算与语言 · 计算机科学 2022-07-12 Ankita Pasad , Felix Wu , Suwon Shon , Karen Livescu , Kyu J. Han

The automated and timely conversion of cybersecurity information from unstructured online sources, such as blogs and articles to more formal representations has become a necessity for many applications in the domain nowadays. Named Entity…

信息检索 · 计算机科学 2024-09-18 Houssem Gasmi , Jannik Laval , Abdelaziz Bouras

Few-shot named entity recognition (NER) aims at identifying named entities based on only few labeled instances. Current few-shot NER methods focus on leveraging existing datasets in the rich-resource domains which might fail in a…

计算与语言 · 计算机科学 2022-10-14 Zeng Yang , Linhai Zhang , Deyu Zhou

Named Entity Recognition (NER) is essential in various Natural Language Processing (NLP) applications. Traditional NER models are effective but limited to a set of predefined entity types. In contrast, Large Language Models (LLMs) can…

计算与语言 · 计算机科学 2023-11-16 Urchade Zaratiana , Nadi Tomeh , Pierre Holat , Thierry Charnois

Deep neural models for named entity recognition (NER) have shown impressive results in overcoming label scarcity and generalizing to unseen entities by leveraging distant supervision and auxiliary information such as explanations. However,…

Named Entity Recognition (NER) is a key NLP task, which is all the more challenging on Web and user-generated content with their diverse and continuously changing language. This paper aims to quantify how this diversity impacts…

计算与语言 · 计算机科学 2017-03-09 Isabelle Augenstein , Leon Derczynski , Kalina Bontcheva

Discontinuous Named Entity Recognition (DNER) presents a challenging problem where entities may be scattered across multiple non-adjacent tokens, making traditional sequence labelling approaches inadequate. Existing methods predominantly…

计算与语言 · 计算机科学 2025-03-25 Rina Carines Cabral , Soyeon Caren Han , Areej Alhassan , Riza Batista-Navarro , Goran Nenadic , Josiah Poon

Chinese named entity recognition (CNER) is an important task in Chinese natural language processing field. However, CNER is very challenging since Chinese entity names are highly context-dependent. In addition, Chinese texts lack delimiters…

计算与语言 · 计算机科学 2019-05-07 Fangzhao Wu , Junxin Liu , Chuhan Wu , Yongfeng Huang , Xing Xie

Fine-Grained Named Entity Typing (FG-NET) is a key component in Natural Language Processing (NLP). It aims at classifying an entity mention into a wide range of entity types. Due to a large number of entity types, distant supervision is…

计算与语言 · 计算机科学 2020-04-08 Muhammad Asif Ali , Yifang Sun , Bing Li , Wei Wang

Streaming text generation has become a common way of increasing the responsiveness of language model powered applications, such as chat assistants. At the same time, extracting semantic information from generated text is a useful tool for…

计算与语言 · 计算机科学 2024-10-15 Nicholas Popovič , Michael Färber

This work models named entity distribution from a way of visualizing topological structure of embedding space, so that we make an assumption that most, if not all, named entities (NEs) for a language tend to aggregate together to be…

计算与语言 · 计算机科学 2019-09-04 Zhuosheng Zhang , Bingjie Tang , Zuchao Li , Hai Zhao

The state-of-the-art named entity recognition (NER) systems are supervised machine learning models that require large amounts of manually annotated data to achieve high accuracy. However, annotating NER data by human is expensive and…

计算与语言 · 计算机科学 2019-11-04 Jian Ni , Georgiana Dinu , Radu Florian