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Named entity recognition (NER) is the task to detect and classify the entity spans in the text. When entity spans overlap between each other, this problem is named as nested NER. Span-based methods have been widely used to tackle the nested…

Computation and Language · Computer Science 2022-09-16 Hang Yan , Yu Sun , Xiaonan Li , Xipeng Qiu

In the field of image classification, existing methods often struggle with biased or ambiguous data, a prevalent issue in real-world scenarios. Current strategies, including semi-supervised learning and class blending, offer partial…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Lars Schmarje , Vasco Grossmann , Claudius Zelenka , Johannes Brünger , Reinhard Koch

Abbreviations are unavoidable yet critical parts of the medical text. Using abbreviations, especially in clinical patient notes, can save time and space, protect sensitive information, and help avoid repetitions. However, most abbreviations…

Computation and Language · Computer Science 2022-10-07 Mucahit Cevik , Sanaz Mohammad Jafari , Mitchell Myers , Savas Yildirim

Background. Previous state-of-the-art systems on Drug Name Recognition (DNR) and Clinical Concept Extraction (CCE) have focused on a combination of text "feature engineering" and conventional machine learning algorithms such as conditional…

Computation and Language · Computer Science 2018-06-26 Inigo Jauregi Unanue , Ehsan Zare Borzeshi , Massimo Piccardi

When an entity name contains other names within it, the identification of all combinations of names can become difficult and expensive. We propose a new method to recognize not only outermost named entities but also inner nested ones. We…

Computation and Language · Computer Science 2020-07-13 Takashi Shibuya , Eduard Hovy

Cross-document coreference, the problem of resolving entity mentions across multi-document collections, is crucial to automated knowledge base construction and data mining tasks. However, the scarcity of large labeled data sets has hindered…

Artificial Intelligence · Computer Science 2015-03-17 Sameer Singh , Michael Wick , Andrew McCallum

While deep learning techniques have shown promising results in many natural language processing (NLP) tasks, it has not been widely applied to the clinical domain. The lack of large datasets and the pervasive use of domain-specific language…

Computation and Language · Computer Science 2019-06-20 Jiin Nam , Seunghyun Yoon , Kyomin Jung

Hypernym identification of open-domain entities is crucial for taxonomy construction as well as many higher-level applications. Current methods suffer from either low precision or low recall. To decrease the difficulty of this problem, we…

Artificial Intelligence · Computer Science 2017-11-29 Chao Zhao , Min Zhao , Yi Guan

Clinical studies often require understanding elements of a patient's narrative that exist only in free text clinical notes. To transform notes into structured data for downstream use, these elements are commonly extracted and normalized to…

Computation and Language · Computer Science 2020-08-03 Monica Agrawal , Chloe O'Connell , Yasmin Fatemi , Ariel Levy , David Sontag

There are a few challenges related to the task of biomedical named entity recognition, which are: the existing methods consider a fewer number of biomedical entities (e.g., disease, symptom, proteins, genes); and these methods do not…

Computation and Language · Computer Science 2022-07-05 Shaina Raza , Brian Schwartz

In medical documents, it is possible that an entity of interest not only contains a discontiguous sequence of words but also overlaps with another entity. Entities of such structures are intrinsically hard to recognize due to the large…

Computation and Language · Computer Science 2019-09-04 Bailin Wang , Wei Lu

Deep learning-based medical image classification techniques are rapidly advancing in medical image analysis, making it crucial to develop accurate and trustworthy models that can be efficiently deployed across diverse clinical scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Hangzhou He , Jiachen Tang , Lei Zhu , Kaiwen Li , Yanye Lu

Fine-grained entity typing is the task of assigning fine-grained semantic types to entity mentions. We propose a neural architecture which learns a distributional semantic representation that leverages a greater amount of semantic context…

Computation and Language · Computer Science 2018-04-24 Sheng Zhang , Kevin Duh , Benjamin Van Durme

Pre-trained language models induce dense entity representations that offer strong performance on entity-centric NLP tasks, but such representations are not immediately interpretable. This can be a barrier to model uptake in important…

Computation and Language · Computer Science 2021-06-18 Diego Garcia-Olano , Yasumasa Onoe , Ioana Baldini , Joydeep Ghosh , Byron C. Wallace , Kush R. Varshney

Biomedical named entity recognition (NER) presents unique challenges due to specialized vocabularies, the sheer volume of entities, and the continuous emergence of novel entities. Traditional NER models, constrained by fixed taxonomies and…

Computation and Language · Computer Science 2025-05-22 Anthony Yazdani , Ihor Stepanov , Douglas Teodoro

Neural entity linking models are very powerful, but run the risk of overfitting to the domain they are trained in. For this problem, a domain is characterized not just by genre of text but even by factors as specific as the particular…

Computation and Language · Computer Science 2020-01-09 Yasumasa Onoe , Greg Durrett

Unstructured information comprises a valuable source of data in clinical records. For text mining in clinical records, concept extraction is the first step in finding assertions and relationships. This study presents a system developed for…

Information Retrieval · Computer Science 2010-12-09 Ning Kang , Rogier Barendse , Zubair Afzal , Bharat Singh , Martijn J. Schuemie , Erik M. van Mulligen , Jan A. Kors

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…

Computation and Language · Computer Science 2020-04-08 Muhammad Asif Ali , Yifang Sun , Bing Li , Wei Wang

Named Entity Recognition (NER) involves identifying and categorizing named entities within textual data. Despite its significance, NER research has often overlooked low-resource languages like Myanmar (Burmese), primarily due to the lack of…

Computation and Language · Computer Science 2025-04-08 Kaung Lwin Thant , Kwankamol Nongpong , Ye Kyaw Thu , Thura Aung , Khaing Hsu Wai , Thazin Myint Oo

The abstract of a scientific paper distills the contents of the paper into a short paragraph. In the biomedical literature, it is customary to structure an abstract into discourse categories like BACKGROUND, OBJECTIVE, METHOD, RESULT, and…

Computation and Language · Computer Science 2020-05-28 Soumya Banerjee , Debarshi Kumar Sanyal , Samiran Chattopadhyay , Plaban Kumar Bhowmick , Parthapratim Das