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相关论文: Biomedical Event Extraction with Hierarchical Know…

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Automatically extracting the relationships between chemicals and diseases is significantly important to various areas of biomedical research and health care. Biomedical experts have built many large-scale knowledge bases (KBs) to advance…

计算与语言 · 计算机科学 2019-12-24 Huiwei Zhou , Yunlong Yang , Shixian Ning , Zhuang Liu , Chengkun Lang , Yingyu Lin , Degen Huang

Automatic extraction of clinical concepts is an essential step for turning the unstructured data within a clinical note into structured and actionable information. In this work, we propose a clinical concept extraction model for automatic…

计算与语言 · 计算机科学 2018-11-28 Henghui Zhu , Ioannis Ch. Paschalidis , Amir Tahmasebi

With the advent of artificial intelligence (AI), many researchers are attempting to extract structured information from document-level biomedical literature by fine-tuning large language models (LLMs). However, they face significant…

神经与进化计算 · 计算机科学 2026-02-26 Lei Zhao , Ling Kang , Quan Guo

Electronic health records (EHR) contain narrative notes that provide extensive details on the medical condition and management of patients. Natural language processing (NLP) of clinical notes can use observed frequencies of clinical terms…

计算与语言 · 计算机科学 2023-07-04 Bryan Cai , Sihang Zeng , Yucong Lin , Zheng Yuan , Doudou Zhou , Lu Tian

Medical knowledge bases (KBs), distilled from biomedical literature and regulatory actions, are expected to provide high-quality information to facilitate clinical decision making. Entity disambiguation (also referred to as entity linking)…

信息检索 · 计算机科学 2021-04-06 Alina Vretinaris , Chuan Lei , Vasilis Efthymiou , Xiao Qin , Fatma Özcan

Hypergraph neural networks (HGNNs) effectively model complex high-order relationships in domains like protein interactions and social networks by connecting multiple vertices through hyperedges, enhancing modeling capabilities, and reducing…

机器学习 · 计算机科学 2025-12-08 Yue Gao , Yifan Feng , Shiquan Liu , Xiangmin Han , Shaoyi Du , Zongze Wu , Han Hu

Neurological conditions, such as Alzheimer's Disease, are challenging to diagnose, particularly in the early stages where symptoms closely resemble healthy controls. Existing brain network analysis methods primarily focus on graph-based…

神经元与认知 · 定量生物学 2025-05-20 Jiaxing Xu , Kai He , Yue Tang , Wei Li , Mengcheng Lan , Xia Dong , Yiping Ke , Mengling Feng

Temporal information extraction from unstructured text is essential for contextualizing events and deriving actionable insights, particularly in the medical domain. We address the task of extracting clinical events and their temporal…

计算与语言 · 计算机科学 2026-01-22 Rochana Chaturvedi , Peyman Baghershahi , Sourav Medya , Barbara Di Eugenio

We present an analysis of the problem of identifying biological context and associating it with biochemical events in biomedical texts. This constitutes a non-trivial, inter-sentential relation extraction task. We focus on biological…

计算与语言 · 计算机科学 2018-12-18 Enrique Noriega-Atala , Paul D. Hein , Shraddha S. Thumsi , Zechy Wong , Xia Wang , Clayton T. Morrison

Intensive Care Units (ICU) require comprehensive patient data integration for enhanced clinical outcome predictions, crucial for assessing patient conditions. Recent deep learning advances have utilized patient time series data, and fusion…

机器学习 · 计算机科学 2023-11-14 Samyak Jain , Manuel Burger , Gunnar Rätsch , Rita Kuznetsova

Electronic Health Records (EHRs) and routine documentation practices play a vital role in patients' daily care, providing a holistic record of health, diagnoses, and treatment. However, complex and verbose EHR narratives overload healthcare…

Motivation: Biomedical knowledge graphs (KGs) are crucial for drug discovery and disease understanding, yet their completion and reasoning are challenging. Knowledge Embedding (KE) methods capture global semantics but struggle with dynamic…

人工智能 · 计算机科学 2025-07-23 Yitong Lin , Jiaying He , Jiahe Chen , Xinnan Zhu , Jianwei Zheng , Tao Bo

Contextualized word embeddings derived from pre-trained language models (LMs) show significant improvements on downstream NLP tasks. Pre-training on domain-specific corpora, such as biomedical articles, further improves their performance.…

计算与语言 · 计算机科学 2019-04-05 Qiao Jin , Bhuwan Dhingra , William W. Cohen , Xinghua Lu

In this study, we evaluated the RNNG, a neural top-down transition based parser, for medication information extraction in clinical texts. We evaluated this model on a French clinical corpus. The task was to extract the name of a drug (or a…

计算与语言 · 计算机科学 2022-04-06 Ivan Lerner , Jordan Jouffroy , Anita Burgun , Antoine Neuraz

Off-the-shelf biomedical embeddings obtained from the recently released various pre-trained language models (such as BERT, XLNET) have demonstrated state-of-the-art results (in terms of accuracy) for the various natural language…

计算与语言 · 计算机科学 2020-12-22 Ishani Mondal

Using different sources of information to support automated extracting of relations between biomedical concepts contributes to the development of our understanding of biological systems. The primary comprehensive source of these relations…

计算与语言 · 计算机科学 2020-09-21 Diana Sousa , Andre Lamurias , Francisco M. Couto

Nested named entity recognition (NER) aims to identify the entity boundaries and recognize categories of the named entities in a complex hierarchical sentence. Some works have been done using character-level, word-level, or lexicon-level…

计算与语言 · 计算机科学 2022-11-08 Yuan Sui , Fanyang Bu , Yingting Hu , Wei Yan , Liang Zhang

Understanding how small molecules perturb gene expression is essential for uncovering drug mechanisms, predicting off-target effects, and identifying repurposing opportunities. While prior deep learning frameworks have integrated multimodal…

机器学习 · 计算机科学 2026-01-01 Pascal Passigan , Kevin Zhu , Angelina Ning

Financial event entity extraction is a crucial task for analyzing market dynamics and building financial knowledge graphs, yet it presents significant challenges due to the specialized language and complex structures in financial texts.…

计算与语言 · 计算机科学 2025-04-22 Soo-joon Choi , Ji-jun Park

Event grounding aims at linking mention references in text corpora to events from a knowledge base (KB). Previous work on this task focused primarily on linking to a single KB event, thereby overlooking the hierarchical aspects of events.…

计算与语言 · 计算机科学 2023-02-09 Jiefu Ou , Adithya Pratapa , Rishubh Gupta , Teruko Mitamura