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Linking (aligning) biomedical concepts across diverse data sources enables various integrative analyses, but it is challenging due to the discrepancies in concept naming conventions. Various strategies have been developed to overcome this…

Information Retrieval · Computer Science 2024-05-14 Yuzhang Xie , Jiaying Lu , Joyce Ho , Fadi Nahab , Xiao Hu , Carl Yang

Pre-trained Language Models (PLMs) have been applied in NLP tasks and achieve promising results. Nevertheless, the fine-tuning procedure needs labeled data of the target domain, making it difficult to learn in low-resource and non-trivial…

Computation and Language · Computer Science 2022-11-08 Dongfang Li , Baotian Hu , Qingcai Chen

The unstructured nature of clinical notes within electronic health records often conceals vital patient-related information, making it challenging to access or interpret. To uncover this hidden information, specialized Natural Language…

Contextualized entity representations learned by state-of-the-art transformer-based language models (TLMs) like BERT, GPT, T5, etc., leverage the attention mechanism to learn the data context from training data corpus. However, these models…

Computation and Language · Computer Science 2021-09-06 Keyur Faldu , Amit Sheth , Prashant Kikani , Hemang Akbari

Large Language Models (LLMs) demonstrate remarkable versatility in various NLP tasks but encounter distinct challenges in biomedical due to the complexities of language and data scarcity. This paper investigates LLMs application in the…

Computation and Language · Computer Science 2024-07-12 Masoud Monajatipoor , Jiaxin Yang , Joel Stremmel , Melika Emami , Fazlolah Mohaghegh , Mozhdeh Rouhsedaghat , Kai-Wei Chang

Forms are a widespread type of template-based document used in a great variety of fields including, among others, administration, medicine, finance, or insurance. The automatic extraction of the information included in these documents is…

Computation and Language · Computer Science 2021-12-15 María Villota , César Domínguez , Jónathan Heras , Eloy Mata , Vico Pascual

The first stage of every knowledge base question answering approach is to link entities in the input question. We investigate entity linking in the context of a question answering task and present a jointly optimized neural architecture for…

Computation and Language · Computer Science 2018-04-24 Daniil Sorokin , Iryna Gurevych

Using language models (LMs) pre-trained in a self-supervised setting on large corpora and then fine-tuning for a downstream task has helped to deal with the problem of limited label data for supervised learning tasks such as Named Entity…

Computation and Language · Computer Science 2023-08-21 Pavlova Vera , Mohammed Makhlouf

Entity matching is the task of deciding whether two entity descriptions refer to the same real-world entity. Entity matching is a central step in most data integration pipelines. Many state-of-the-art entity matching methods rely on…

Computation and Language · Computer Science 2024-10-21 Ralph Peeters , Aaron Steiner , Christian Bizer

Many fundamental problems in natural language processing rely on determining what entities appear in a given text. Commonly referenced as entity linking, this step is a fundamental component of many NLP tasks such as text understanding,…

Computation and Language · Computer Science 2016-02-01 Octavian-Eugen Ganea , Marina Ganea , Aurelien Lucchi , Carsten Eickhoff , Thomas Hofmann

Entity linking (EL) is the task of automatically identifying entity mentions in text and resolving them to a corresponding entity in a reference knowledge base like Wikipedia. Throughout the past decade, a plethora of EL systems and…

Computation and Language · Computer Science 2021-01-15 Renato Stoffalette João , Pavlos Fafalios , Stefan Dietze

Motivation: State-of-the-art biomedical named entity recognition (BioNER) systems often require handcrafted features specific to each entity type, such as genes, chemicals and diseases. Although recent studies explored using neural network…

Information Retrieval · Computer Science 2018-10-09 Xuan Wang , Yu Zhang , Xiang Ren , Yuhao Zhang , Marinka Zitnik , Jingbo Shang , Curtis Langlotz , Jiawei Han

Named entity typing (NET) is a classification task of assigning an entity mention in the context with given semantic types. However, with the growing size and granularity of the entity types, rare researches in previous concern with newly…

Computation and Language · Computer Science 2020-11-04 Tao Zhang , Congying Xia , Chun-Ta Lu , Philip Yu

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

This study evaluated the effect of BioBERT in medical text processing for the task of medical named entity recognition. Through comparative experiments with models such as BERT, ClinicalBERT, SciBERT, and BlueBERT, the results showed that…

Computation and Language · Computer Science 2024-12-12 Jiacheng Hu , Runyuan Bao , Yang Lin , Hanchao Zhang , Yanlin Xiang

Previous work has shown promising results in performing entity linking by measuring not only the affinities between mentions and entities but also those amongst mentions. In this paper, we present novel training and inference procedures…

Computation and Language · Computer Science 2022-12-13 Dhruv Agarwal , Rico Angell , Nicholas Monath , Andrew McCallum

Multi-task learning (MTL) has achieved remarkable success in natural language processing applications. In this work, we study a multi-task learning model with multiple decoders on varieties of biomedical and clinical natural language…

Computation and Language · Computer Science 2020-05-07 Yifan Peng , Qingyu Chen , Zhiyong Lu

Prevalent solution for BioNER involves using representation learning techniques coupled with sequence labeling. However, such methods are inherently task-specific, demonstrate poor generalizability, and often require dedicated model for…

Computation and Language · Computer Science 2024-04-30 Junyi Biana , Weiqi Zhai , Xiaodi Huang , Jiaxuan Zheng , Shanfeng Zhu

Developing high-performing systems for detecting biomedical named entities has major implications. State-of-the-art deep-learning based solutions for entity recognition often require large annotated datasets, which is not available in the…

Computation and Language · Computer Science 2020-11-03 Arda Akdemir , Tetsuo Shibuya

For the task of fine-grained entity typing (FET), due to the use of a large number of entity types, it is usually considered too costly to manually annotating a training dataset that contains an ample number of examples for each type. A…

Computation and Language · Computer Science 2023-12-12 Hongliang Dai , Ziqian Zeng