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Pretrained language models have shown success in many natural language processing tasks. Many works explore incorporating knowledge into language models. In the biomedical domain, experts have taken decades of effort on building large-scale…

计算与语言 · 计算机科学 2021-04-22 Zheng Yuan , Yijia Liu , Chuanqi Tan , Songfang Huang , Fei Huang

Entity Linking involves detecting and linking entity mentions in natural language texts to a knowledge graph. Traditional methods use a two-step process with separate models for entity recognition and disambiguation, which can be…

计算与语言 · 计算机科学 2025-10-23 Daniel Vollmers , Hamada M. Zahera , Diego Moussallem , Axel-Cyrille Ngonga Ngomo

In this work, we consider the medical concept normalization problem, i.e., the problem of mapping a health-related entity mention in a free-form text to a concept in a controlled vocabulary, usually to the standard thesaurus in the Unified…

计算与语言 · 计算机科学 2023-11-21 Zulfat Miftahutdinov , Elena Tutubalina

The surging amount of biomedical literature & digital clinical records presents a growing need for text mining techniques that can not only identify but also semantically relate entities in unstructured data. In this paper we propose a text…

计算与语言 · 计算机科学 2021-12-28 Hasham Ul Haq , Veysel Kocaman , David Talby

Contextual word embedding models, such as BioBERT and Bio_ClinicalBERT, have achieved state-of-the-art results in biomedical natural language processing tasks by focusing their pre-training process on domain-specific corpora. However, such…

计算与语言 · 计算机科学 2021-06-04 George Michalopoulos , Yuanxin Wang , Hussam Kaka , Helen Chen , Alexander Wong

Our objective in this study is to investigate the behavior of Boolean operators on combining annotation output from multiple Natural Language Processing (NLP) systems across multiple corpora and to assess how filtering by aggregation of…

To study social, economic, and historical questions, researchers in the social sciences and humanities have started to use increasingly large unstructured textual datasets. While recent advances in NLP provide many tools to efficiently…

Although Large Language Models (LLMs) exhibit remarkable adaptability across domains, these models often fall short in structured knowledge extraction tasks such as named entity recognition (NER). This paper explores an innovative,…

计算与语言 · 计算机科学 2024-06-11 Yuzhao Heng , Chunyuan Deng , Yitong Li , Yue Yu , Yinghao Li , Rongzhi Zhang , Chao Zhang

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

Extracting detailed clinical information from free-text medical narratives remains a practical challenge for researchers and healthcare systems. Terminology for immune-mediated and infectious diseases is especially inconsistent across…

计算与语言 · 计算机科学 2026-05-29 Veysel Kocaman , Gursev Pirge , Yigit Gul , Ace Vo , Zhenya Nargizyan , David Talby

In document-level relation extraction, entities may appear multiple times in a document, and their relationships can shift from one context to another. Accurate prediction of the relationship between two entities across an entire document…

计算与语言 · 计算机科学 2025-08-01 Nilesh , Atul Gupta , Avinash C Panday

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…

计算与语言 · 计算机科学 2024-12-12 Jiacheng Hu , Runyuan Bao , Yang Lin , Hanchao Zhang , Yanlin Xiang

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

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…

计算与语言 · 计算机科学 2021-06-18 Diego Garcia-Olano , Yasumasa Onoe , Ioana Baldini , Joydeep Ghosh , Byron C. Wallace , Kush R. Varshney

Entity disambiguation, or mapping a phrase to its canonical representation in a knowledge base, is a fundamental step in many natural language processing applications. Existing techniques based on global ranking models fail to capture the…

计算与语言 · 计算机科学 2016-04-21 Tiep Mai , Bichen Shi , Patrick K. Nicholson , Deepak Ajwani , Alessandra Sala

Named Entity Recognition (NER) models play a crucial role in various NLP tasks, including information extraction (IE) and text understanding. In academic writing, references to machine learning models and datasets are fundamental components…

计算与语言 · 计算机科学 2023-11-17 Wolfgang Otto , Matthäus Zloch , Lu Gan , Saurav Karmakar , Stefan Dietze

Named entity recognition in real-world applications suffers from the diversity of entity types, the emergence of new entity types, and the lack of high-quality annotations. To address the above problems, this paper proposes an in-context…

计算与语言 · 计算机科学 2023-05-29 Jiawei Chen , Yaojie Lu , Hongyu Lin , Jie Lou , Wei Jia , Dai Dai , Hua Wu , Boxi Cao , Xianpei Han , Le Sun

Information extraction techniques, including named entity recognition (NER) and relation extraction (RE), are crucial in many domains to support making sense of vast amounts of unstructured text data by identifying and connecting relevant…

计算与语言 · 计算机科学 2024-01-17 Mingjie Li , Karin Verspoor

Adverse event (AE) extraction following COVID-19 vaccines from text data is crucial for monitoring and analyzing the safety profiles of immunizations. Traditional deep learning models are adept at learning intricate feature representations…

计算与语言 · 计算机科学 2024-06-27 Yiming Li , Deepthi Viswaroopan , William He , Jianfu Li , Xu Zuo , Hua Xu , Cui Tao

Food touches our lives through various endeavors, including flavor, nourishment, health, and sustainability. Recipes are cultural capsules transmitted across generations via unstructured text. Automated protocols for recognizing named…