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Named Entity Recognition (NER) is a fundamental Natural Language Processing (NLP) task to extract entities from unstructured data. The previous methods for NER were based on machine learning or deep learning. Recently, pre-training models…

计算与语言 · 计算机科学 2020-02-21 Yu Wang , Yining Sun , Zuchang Ma , Lisheng Gao , Yang Xu , Ting Sun

Cross-lingual named entity recognition (NER) suffers from data scarcity in the target languages, especially under zero-shot settings. Existing translate-train or knowledge distillation methods attempt to bridge the language gap, but often…

计算与语言 · 计算机科学 2022-11-18 Ran Zhou , Xin Li , Lidong Bing , Erik Cambria , Luo Si , Chunyan Miao

Named entity recognition (NER) is the process of recognising and classifying important information (entities) in text. Proper nouns, such as a person's name, an organization's name, or a location's name, are examples of entities. The NER is…

计算与语言 · 计算机科学 2023-02-28 Onkar Litake , Maithili Sabane , Parth Patil , Aparna Ranade , Raviraj Joshi

Named entity recognition (NER) is a vital task in spoken language understanding, which aims to identify mentions of named entities in text e.g., from transcribed speech. Existing neural models for NER rely mostly on dedicated word-level…

计算与语言 · 计算机科学 2019-09-24 Abdalghani Abujabal , Judith Gaspers

Named entity discovery (NED) is an important information retrieval problem that can be decomposed into two sub-problems. The first sub-problem, named entity recognition (NER), aims to tag pre-defined sets of words in a vocabulary (called…

信息检索 · 计算机科学 2018-11-27 Sammy Khalife , Michalis Vazirgiannis

Crowdsourcing is regarded as one prospective solution for effective supervised learning, aiming to build large-scale annotated training data by crowd workers. Previous studies focus on reducing the influences from the noises of the…

计算与语言 · 计算机科学 2021-11-16 Xin Zhang , Guangwei Xu , Yueheng Sun , Meishan Zhang , Pengjun Xie

The task of named entity recognition (NER) is normally divided into nested NER and flat NER depending on whether named entities are nested or not. Models are usually separately developed for the two tasks, since sequence labeling models,…

计算与语言 · 计算机科学 2022-11-23 Xiaoya Li , Jingrong Feng , Yuxian Meng , Qinghong Han , Fei Wu , Jiwei Li

Many previous models of named entity recognition (NER) suffer from the problem of Out-of-Entity (OOE), i.e., the tokens in the entity mentions of the test samples have not appeared in the training samples, which hinders the achievement of…

计算与语言 · 计算机科学 2025-01-14 Guochao Jiang , Ziqin Luo , Chengwei Hu , Zepeng Ding , Deqing Yang

Named Entity Recognition (NER) is a foundational NLP task that aims to provide class labels like Person, Location, Organisation, Time, and Number to words in free text. Named Entities can also be multi-word expressions where the additional…

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

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

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

The most common Named Entity Recognizers are usually sequence taggers trained on fully annotated corpora, i.e. the class of all words for all entities is known. Partially annotated corpora, i.e. some but not all entities of some types are…

计算与语言 · 计算机科学 2022-04-21 Michael Strobl , Amine Trabelsi , Osmar Zaiane

The MultiCoNER II task aims to detect complex, ambiguous, and fine-grained named entities in low-context situations and noisy scenarios like the presence of spelling mistakes and typos for multiple languages. The task poses significant…

计算与语言 · 计算机科学 2023-05-11 Long Ma , Kai Lu , Tianbo Che , Hailong Huang , Weiguo Gao , Xuan Li

Named Entity Recognition (NER) in historical texts presents unique challenges due to non-standardized language, archaic orthography, and nested or overlapping entities. This study benchmarks a diverse set of NER approaches, ranging from…

计算与语言 · 计算机科学 2025-06-04 Ludovic Moncla , Hédi Zeghidi

The availability of large amounts of computer-readable textual data and hardware that can process the data has shifted the focus of knowledge projects towards deep learning architecture. Natural Language Processing, particularly the task of…

计算与语言 · 计算机科学 2021-01-28 Arya Roy

In biomedical literature, it is common for entity boundaries to not align with word boundaries. Therefore, effective identification of entity spans requires approaches capable of considering tokens that are smaller than words. We introduce…

计算与语言 · 计算机科学 2018-09-25 Emily Sheng , Prem Natarajan

Recently, neural methods have achieved state-of-the-art (SOTA) results in Named Entity Recognition (NER) tasks for many languages without the need for manually crafted features. However, these models still require manually annotated…

计算与语言 · 计算机科学 2019-11-25 M Saiful Bari , Shafiq Joty , Prathyusha Jwalapuram

We propose an efficient modeling framework for cross-lingual named entity recognition in semi-structured text data. Our approach relies on both knowledge distillation and consistency training. The modeling framework leverages knowledge from…

计算与语言 · 计算机科学 2023-07-19 Sunisth Kumar , Davide Liu , Alexandre Boulenger

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…

计算与语言 · 计算机科学 2025-10-14 Yawen Yang , Fukun Ma , Shiao Meng , Aiwei Liu , Lijie Wen