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Pain is a complex concept that can interconnect with other concepts such as a disorder that might cause pain, a medication that might relieve pain, and so on. To fully understand the context of pain experienced by either an individual or…

Machine Learning · Computer Science 2023-08-21 Jaya Chaturvedi , Tao Wang , Sumithra Velupillai , Robert Stewart , Angus Roberts

Biomarker discovery from high-throughput transcriptomic data is crucial for advancing precision medicine. However, existing methods often neglect gene-gene regulatory relationships and lack stability across datasets, leading to conflation…

Quantitative Methods · Quantitative Biology 2025-11-18 Chaowang Lan , Jingxin Wu , Yulong Yuan , Chuxun Liu , Huangyi Kang , Caihua Liu

This paper considers inference of causal structure in a class of graphical models called "conditional DAGs". These are directed acyclic graph (DAG) models with two kinds of variables, primary and secondary. The secondary variables are used…

Methodology · Statistics 2014-11-12 Chris J. Oates , Jim Q. Smith , Sach Mukherjee

Knowledge graph (KG) embedding has been used to benefit the diagnosis of animal diseases by analyzing electronic medical records (EMRs), such as notes and veterinary records. However, learning representations to capture entities and…

Artificial Intelligence · Computer Science 2023-09-08 Van Thuy Hoang , Sang Thanh Nguyen , Sangmyeong Lee , Jooho Lee , Luong Vuong Nguyen , O-Joun Lee

With the rise of knowledge graph based retrieval-augmented generation (RAG) techniques such as GraphRAG and Pike-RAG, the role of knowledge graphs in enhancing the reasoning capabilities of large language models (LLMs) has become…

Information Retrieval · Computer Science 2025-04-15 Hairong Zhang , Jiaheng Si , Guohang Yan , Boyuan Qi , Pinlong Cai , Song Mao , Ding Wang , Botian Shi

The integration of Artificial Intelligence (AI) into the field of drug discovery has been a growing area of interdisciplinary scientific research. However, conventional AI models are heavily limited in handling complex biomedical structures…

Machine Learning · Computer Science 2024-07-25 Zhiqiang Zhong , Anastasia Barkova , Davide Mottin

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

Medical deep learning models depend heavily on domain-specific knowledge to perform well on knowledge-intensive clinical tasks. Prior work has primarily leveraged unimodal knowledge graphs, such as the Unified Medical Language System…

Artificial Intelligence · Computer Science 2025-05-26 Xiaochen Wang , Yuan Zhong , Lingwei Zhang , Lisong Dai , Ting Wang , Fenglong Ma

Here we present a holistic approach for data exploration on dense knowledge graphs as a novel approach with a proof-of-concept in biomedical research. Knowledge graphs are increasingly becoming a vital factor in knowledge mining and…

Artificial Intelligence · Computer Science 2019-12-16 Jens Dörpinghaus , Alexander Apke , Vanessa Lage-Rupprecht , Andreas Stefan

Legal decision-making process requires the availability of comprehensive and detailed legislative background knowledge and up-to-date information on legal cases and related sentences/decisions. Legal Knowledge Graphs (KGs) would be a…

Artificial Intelligence · Computer Science 2025-08-11 Claudia dAmato , Giuseppe Rubini , Francesco Didio , Donato Francioso , Fatima Zahra Amara , Nicola Fanizzi

Real-world multimodal knowledge graphs (MMKGs) are dynamic, with new entities, relations, and multimodal knowledge emerging over time. Existing continual knowledge graph reasoning (CKGR) methods focus on structural triples and cannot fully…

Computation and Language · Computer Science 2026-04-06 Linyu Li , Zhi Jin , Yichi Zhang , Dongming Jin , Yuanpeng He , Haoran Duan , Gadeng Luosang , Nyima Tashi

Clinical diagnosis is time-consuming, requiring intensive interactions between patients and medical professionals. While large language models (LLMs) could ease the pre-diagnostic workload, their limited domain knowledge hinders effective…

Computation and Language · Computer Science 2026-03-03 Liwen Sun , Xiang Yu , Ming Tan , Zhuohao Chen , Anqi Cheng , Ashutosh Joshi , Chenyan Xiong

Leveraging domain knowledge including fingerprints and functional groups in molecular representation learning is crucial for chemical property prediction and drug discovery. When modeling the relation between graph structure and molecular…

Machine Learning · Computer Science 2021-03-25 Yin Fang , Haihong Yang , Xiang Zhuang , Xin Shao , Xiaohui Fan , Huajun Chen

Finding cause-effect relationships is of key importance in science. Causal discovery aims to recover a graph from data that succinctly describes these cause-effect relationships. However, current methods face several challenges, especially…

Machine Learning · Computer Science 2026-01-21 Jan Marco Ruiz de Vargas , Kirtan Padh , Niki Kilbertus

Large language models (LLMs) have revolutionized natural language processing (NLP), particularly through Retrieval-Augmented Generation (RAG), which enhances LLM capabilities by integrating external knowledge. However, traditional RAG…

Computation and Language · Computer Science 2025-10-23 Nengbo Wang , Xiaotian Han , Jagdip Singh , Jing Ma , Vipin Chaudhary

Learning directed acyclic graph (DAG) that describes the causality of observed data is a very challenging but important task. Due to the limited quantity and quality of observed data, and non-identifiability of causal graph, it is almost…

Machine Learning · Computer Science 2022-11-23 Dezhi Yang , Guoxian Yu , Jun Wang , Zhengtian Wu , Maozu Guo

Knowledge Graphs (KG) are the backbone of many data-intensive applications since they can represent data coupled with its meaning and context. Aligning KGs across different domains and providers is necessary to afford a fuller and…

Artificial Intelligence · Computer Science 2023-10-12 Pedro Giesteira Cotovio , Ernesto Jimenez-Ruiz , Catia Pesquita

Adverse Drug Reactions (ADRs) are a leading cause of morbidity and mortality. Existing prediction methods rely mainly on chemical similarity, machine learning on structured databases, or isolated target profiles, but often fail to integrate…

Biomolecules · Quantitative Biology 2026-03-03 David Jackson , Michael Gertz , Jürgen Hesser

Causal processes in biomedicine may contain cycles, evolve over time or differ between populations. However, many graphical models cannot accommodate these conditions. We propose to model causation using a mixture of directed cyclic graphs…

Machine Learning · Statistics 2020-09-08 Eric V. Strobl

Multivariate time series data typically comprises two distinct modalities: variable semantics and sampled numerical observations. Traditional time series models treat variables as anonymous statistical signals, overlooking the rich semantic…

Machine Learning · Computer Science 2025-08-18 Yifei Sun , Junming Liu , Yirong Chen , Xuefeng Yan , Ding Wang