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Related papers: K-Paths: Reasoning over Graph Paths for Drug Repur…

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For Artificial Intelligence to have a greater impact in biology and medicine, it is crucial that recommendations are both accurate and transparent. In other domains, a neurosymbolic approach of multi-hop reasoning on knowledge graphs has…

Machine Learning · Computer Science 2022-10-10 Gavin Edwards , Sebastian Nilsson , Benedek Rozemberczki , Eliseo Papa

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

Knowledge Graphs (KGs) and their machine learning counterpart, Knowledge Graph Embedding Models (KGEMs), have seen ever-increasing use in a wide variety of academic and applied settings. In particular, KGEMs are typically applied to KGs to…

Machine Learning · Computer Science 2024-12-16 Jeffrey Sardina , John D. Kelleher , Declan O'Sullivan

Background: Identification of the interactions and regulatory relations between biomolecules play pivotal roles in understanding complex biological systems and the mechanisms underlying diverse biological functions. However, the collection…

Computation and Language · Computer Science 2025-04-24 Gilchan Park , Byung-Jun Yoon , Xihaier Luo , Vanessa López-Marrero , Shinjae Yoo , Shantenu Jha

We introduce an explainability method for biomedical hypothesis generation systems, built on top of the novel Hypothesis Generation Context Retriever framework. Our approach combines semantic graph-based retrieval and relevant…

Information Retrieval · Computer Science 2025-11-11 Ilya Tyagin , Saeideh Valipour , Aliaksandra Sikirzhytskaya , Michael Shtutman , Ilya Safro

Understanding complex biomolecular mechanisms requires multi-step reasoning across molecular interactions, signaling cascades, and metabolic pathways. While large language models(LLMs) show promise in such tasks, their application to…

Artificial Intelligence · Computer Science 2025-11-12 Tianwen Lyu , Xiang Zhuang , Keyan Ding , Xinzhe Cao , Lei Liang , Wei Zhao , Qiang Zhang , Huajun Chen

Knowledge Graph Embeddings (KGE) have become a quite popular class of models specifically devised to deal with ontologies and graph structure data, as they can implicitly encode statistical dependencies between entities and relations in a…

Artificial Intelligence · Computer Science 2023-03-27 Michelangelo Diligenti , Francesco Giannini , Stefano Fioravanti , Caterina Graziani , Moreno Falaschi , Giuseppe Marra

Knowledge graph question answering (KGQA) presents significant challenges due to the structural and semantic variations across input graphs. Existing works rely on Large Language Model (LLM) agents for graph traversal and retrieval; an…

Computation and Language · Computer Science 2025-07-08 Costas Mavromatis , Soji Adeshina , Vassilis N. Ioannidis , Zhen Han , Qi Zhu , Ian Robinson , Bryan Thompson , Huzefa Rangwala , George Karypis

Knowledge Graph Question Answering (KGQA) aims to interpret natural language queries and perform structured reasoning over knowledge graphs by leveraging their relational and semantic structures to retrieve accurate answers. Existing…

Computation and Language · Computer Science 2025-09-29 Yingxu Wang , Shiqi Fan , Mengzhu Wang , Siyang Gao , Chao Wang , Nan Yin

Medication recommendations have become an important task in the healthcare domain, especially in measuring the accuracy and safety of medical dialogue systems (MDS). Different from the recommendation task based on electronic health records…

Computation and Language · Computer Science 2025-05-20 Jialun Zhong , Yanzeng Li , Sen Hu , Yang Zhang , Teng Xu , Lei Zou

Integrating structured knowledge from Knowledge Graphs (KGs) into Large Language Models (LLMs) enhances factual grounding and reasoning capabilities. This survey paper systematically examines the synergy between KGs and LLMs, categorizing…

Computation and Language · Computer Science 2025-06-12 Blaž Škrlj , Boshko Koloski , Senja Pollak , Nada Lavrač

Large language models (LLMs) have demonstrated significant potential in clinical decision support. Yet LLMs still suffer from hallucinations and lack fine-grained contextual medical knowledge, limiting their high-stake healthcare…

Computation and Language · Computer Science 2025-04-22 Pengcheng Jiang , Cao Xiao , Minhao Jiang , Parminder Bhatia , Taha Kass-Hout , Jimeng Sun , Jiawei Han

Knowledge graphs (KGs) are powerful tools that codify relational behaviour between entities in knowledge bases. KGs can simultaneously model many different types of subject-predicate-object and higher-order relations. As such, they offer a…

Social and Information Networks · Computer Science 2020-10-27 Charilaos I. Kanatsoulis , Nicholas D. Sidiropoulos

The problem of answering questions using knowledge from pre-trained language models (LMs) and knowledge graphs (KGs) presents two challenges: given a QA context (question and answer choice), methods need to (i) identify relevant knowledge…

Computation and Language · Computer Science 2022-12-14 Michihiro Yasunaga , Hongyu Ren , Antoine Bosselut , Percy Liang , Jure Leskovec

Multi-scale biomedical knowledge networks are expanding with emerging experimental technologies that generates multi-scale biomedical big data. Link prediction is increasingly used especially in bipartite biomedical networks to identify…

Social and Information Networks · Computer Science 2022-02-25 Jinjiang Guo , Jie Li , Dawei Leng , Lurong Pan

Quantitative Systems Pharmacology (QSP) modeling is essential for drug development but it requires significant time investment that limits the throughput of domain experts. We present \textbf{GRASP} -- a multi-agent, graph-reasoning…

Machine Learning · Computer Science 2025-12-08 Omid Bazgir , Vineeth Manthapuri , Ilia Rattsev , Mohammad Jafarnejad

Knowledge graph question answering (KGQA) aims to answer natural language questions using knowledge graphs. Recent research leverages large language models (LLMs) to enhance KGQA reasoning, but faces limitations: retrieval-based methods are…

Computation and Language · Computer Science 2025-10-03 Can Lin , Zhengwang Jiang , Ling Zheng , Qi Zhao , Yuhang Zhang , Qi Song , Wangqiu Zhou

Graph neural networks (GNNs) are increasingly used to model biological systems, yet the reliability of post-hoc explanation methods for recovering meaningful molecular mechanisms remains unclear. Here, we systematically evaluate four widely…

Molecular Networks · Quantitative Biology 2026-05-22 Kyle Higgins , Ivan Laponogov , Dennis Veselkov , Kirill Veselkov

Large Language Models (LLMs) often struggle with inherent knowledge boundaries and hallucinations, limiting their reliability in knowledge-intensive tasks. While Retrieval-Augmented Generation (RAG) mitigates these issues, it frequently…

Artificial Intelligence · Computer Science 2026-02-25 Yuqi Huang , Ning Liao , Kai Yang , Anning Hu , Shengchao Hu , Xiaoxing Wang , Junchi Yan

Molecular interaction prediction plays a crucial role in forecasting unknown interactions between molecules, such as drug-target interaction (DTI) and drug-drug interaction (DDI), which are essential in the field of drug discovery and…