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Seeking dietary guidance often requires navigating complex professional knowledge while accommodating individual health conditions. Knowledge Graphs (KGs) offer structured and interpretable nutritional information, whereas Large Language…

Human-Computer Interaction · Computer Science 2025-04-22 Fan Gao , Xinjie Zhao , Ding Xia , Zhongyi Zhou , Rui Yang , Jinghui Lu , Hang Jiang , Chanjun Park , Irene Li

Embedding based Knowledge Graph (KG) Completion has gained much attention over the past few years. Most of the current algorithms consider a KG as a multidirectional labeled graph and lack the ability to capture the semantics underlying the…

Artificial Intelligence · Computer Science 2024-07-12 Mehwish Alam , Frank van Harmelen , Maribel Acosta

In recent years, the introduction of knowledge graphs (KGs) has significantly advanced recommender systems by facilitating the discovery of potential associations between items. However, existing methods still face several limitations.…

Information Retrieval · Computer Science 2025-04-18 Ziqiang Cui , Yunpeng Weng , Xing Tang , Fuyuan Lyu , Dugang Liu , Xiuqiang He , Chen Ma

Personal knowledge graphs (PKGs) offer individuals a way to store and consolidate their fragmented personal data in a central place, improving service personalization while maintaining full user control. Despite their potential, practical…

Human-Computer Interaction · Computer Science 2024-02-13 Nolwenn Bernard , Ivica Kostric , Weronika Łajewska , Krisztian Balog , Petra Galuščáková , Vinay Setty , Martin G. Skjæveland

The integration of multimodal Electronic Health Records (EHR) data has significantly improved clinical predictive capabilities. Leveraging clinical notes and multivariate time-series EHR, existing models often lack the medical context…

Artificial Intelligence · Computer Science 2024-02-13 Yinghao Zhu , Changyu Ren , Shiyun Xie , Shukai Liu , Hangyuan Ji , Zixiang Wang , Tao Sun , Long He , Zhoujun Li , Xi Zhu , Chengwei Pan

Neuroscience research publications encompass a vast wealth of knowledge. Accurately retrieving existing information and discovering new insights from this extensive literature is essential for advancing the field. However, when knowledge is…

Computation and Language · Computer Science 2025-10-28 Pralaypati Ta , Sriram Venkatesaperumal , Keerthi Ram , Mohanasankar Sivaprakasam

The transition towards patient-centric healthcare necessitates a comprehensive understanding of patient journeys, which encompass all healthcare experiences and interactions across the care spectrum. Existing healthcare data systems are…

Computation and Language · Computer Science 2025-03-24 Hassan S. Al Khatib , Sudip Mittal , Shahram Rahimi , Nina Marhamati , Sean Bozorgzad

Knowledge Graph Alignment (KGA) aims to integrate knowledge from multiple sources to address the limitations of individual Knowledge Graphs (KGs) in terms of coverage and depth. However, current KGA models fall short in achieving a…

Computation and Language · Computer Science 2024-07-26 Xiaohan Fang , Chaozhuo Li , Yi Zhao , Qian Zang , Litian Zhang , Jiquan Peng , Xi Zhang , Jibing Gong

Currently, the main approach for Large Language Models (LLMs) to tackle the hallucination issue is incorporating Knowledge Graphs(KGs).However, LLMs typically treat KGs as plain text, extracting only semantic information and limiting their…

Computation and Language · Computer Science 2025-09-29 Yifang Zhang , Pengfei Duan , Yiwen Yang , Shengwu Xiong

Irregular data in real-world are usually organized as heterogeneous graphs (HGs) consisting of multiple types of nodes and edges. To explore useful knowledge from real-world data, both the large-scale encyclopedic HG datasets and…

Artificial Intelligence · Computer Science 2023-09-12 Yide Qiu , Shaoxiang Ling , Tong Zhang , Bo Huang , Zhen Cui

Artificial intelligence (AI) is expected to be embodied in software agents, robots, and cyber-physical systems that can understand the various contextual information of daily life in the home environment to support human behavior and…

Artificial Intelligence · Computer Science 2023-08-01 Shusaku Egami , Takanori Ugai , Mikiko Oono , Koji Kitamura , Ken Fukuda

In real world applications, knowledge graphs (KG) are widely used in various domains (e.g. medical applications and dialogue agents). However, for fact verification, KGs have not been adequately utilized as a knowledge source. KGs can be a…

Computation and Language · Computer Science 2023-10-18 Jiho Kim , Sungjin Park , Yeonsu Kwon , Yohan Jo , James Thorne , Edward Choi

Given that substantial amounts of domain-specific knowledge are stored in structured formats, such as web data organized through HTML, Large Language Models (LLMs) are expected to fully comprehend this structured information to broaden…

Information Retrieval · Computer Science 2025-02-26 Sirui Huang , Hanqian Li , Yanggan Gu , Xuming Hu , Qing Li , Guandong Xu

The "RNA world" represents a novel frontier for the study of fundamental biological processes and human diseases and is paving the way for the development of new drugs tailored to the patient's biomolecular characteristics. Although…

Knowledge Graph (KG) contains entities and the relations between entities. Due to its representation ability, KG has been successfully applied to support many medical/healthcare tasks. However, in the medical domain, knowledge holds under…

Databases · Computer Science 2019-08-20 Yang Deng , Yaliang Li , Ying Shen , Nan Du , Wei Fan , Min Yang , Kai Lei

This paper presents an ecosystem for personal knowledge graphs (PKGs), commonly defined as resources of structured information about entities related to an individual, their attributes, and the relations between them. PKGs are a key enabler…

Artificial Intelligence · Computer Science 2024-03-18 Martin G. Skjæveland , Krisztian Balog , Nolwenn Bernard , Weronika Łajewska , Trond Linjordet

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…

Artificial Intelligence · Computer Science 2025-07-23 Yitong Lin , Jiaying He , Jiahe Chen , Xinnan Zhu , Jianwei Zheng , Tao Bo

Large language models (LLMs) offer new opportunities for constructing knowledge graphs (KGs) from unstructured clinical narratives. However, existing approaches often rely on structured inputs and lack robust validation of factual accuracy…

Artificial Intelligence · Computer Science 2026-01-06 Udiptaman Das , Krishnasai B. Atmakuri , Duy Ho , Chi Lee , Yugyung Lee

Traditional methods of linking large language models (LLMs) to knowledge bases via the semantic similarity search often fall short of capturing complex relational dynamics. To address these limitations, we introduce AutoKG, a lightweight…

Computation and Language · Computer Science 2023-11-28 Bohan Chen , Andrea L. Bertozzi

Electronic Health Records (EHR) have been heavily used in modern healthcare systems for recording patients' admission information to hospitals. Many data-driven approaches employ temporal features in EHR for predicting specific diseases,…

Machine Learning · Computer Science 2021-12-07 Chang Lu , Chandan K. Reddy , Yue Ning