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As generative models become powerful, concerns around transparency, accountability, and copyright violations have intensified. Understanding how specific training data contributes to a model's output is critical. We introduce a framework…

Artificial Intelligence · Computer Science 2025-12-03 Theodoros Aivalis , Iraklis A. Klampanos , Antonis Troumpoukis , Joemon M. Jose

Reasoning on the knowledge graph (KG) aims to infer new facts from existing ones. Methods based on the relational path have shown strong, interpretable, and transferable reasoning ability. However, paths are naturally limited in capturing…

Artificial Intelligence · Computer Science 2022-01-24 Yongqi Zhang , Quanming Yao

Knowledge graphs (KGs) have become the standard technology for the representation of factual information in applications such as recommendation engines, search, and question-answering systems. However, the continual updating of KGs, as well…

Artificial Intelligence · Computer Science 2023-07-24 Walid S. Saba

The role of pharmacists is evolving from medicine dispensing to delivering comprehensive pharmaceutical services within multidisciplinary healthcare teams. Central to this shift is access to accurate, up-to-date medicinal product…

Artificial Intelligence · Computer Science 2025-06-24 Lizzy Farrugia , Lilian M. Azzopardi , Jeremy Debattista , Charlie Abela

Despite widespread applications of knowledge graphs (KGs) in various tasks such as question answering and intelligent conversational systems, existing KGs face two major challenges: information granularity and deficiency in timeliness.…

Artificial Intelligence · Computer Science 2024-05-01 Linyi Ding , Sizhe Zhou , Jinfeng Xiao , Jiawei Han

Knowledge graphs and structural causal models have each proven valuable for organizing biomedical knowledge and estimating causal effects, but remain largely disconnected: knowledge graphs encode qualitative relationships focusing on facts…

Artificial Intelligence · Computer Science 2025-05-13 Sumyyah Toonsi , Paul Schofield , Robert Hoehndorf

Biomedical datasets are often modeled as knowledge graphs (KGs) because they capture the multi-relational, heterogeneous, and dynamic natures of biomedical systems. KG completion (KGC), can, therefore, help researchers make predictions to…

Artificial Intelligence · Computer Science 2023-07-18 Lauren Nicole DeLong , Ramon Fernández Mir , Zonglin Ji , Fiona Niamh Coulter Smith , Jacques D. Fleuriot

Biomedical knowledge graphs (KG) are heterogenous networks consisting of biological entities as nodes and relations between them as edges. These entities and relations are extracted from millions of research papers and unified in a single…

Artificial Intelligence · Computer Science 2022-11-11 Dattaraj J. Rao , Shraddha S. Mane , Mukta A. Paliwal

Virtual Knowledge Graphs (VKG) constitute one of the most promising paradigms for integrating and accessing legacy data sources. A critical bottleneck in the integration process involves the definition, validation, and maintenance of…

Artificial Intelligence · Computer Science 2023-08-14 Diego Calvanese , Avigdor Gal , Davide Lanti , Marco Montali , Alessandro Mosca , Roee Shraga

Retrieval augmented generation (RAG) has shown great power in improving Large Language Models (LLMs). However, most existing RAG-based LLMs are dedicated to retrieving single modality information, mainly text; while for many real-world…

Computation and Language · Computer Science 2025-06-09 Saptarshi Sengupta , Shuhua Yang , Paul Kwong Yu , Fali Wang , Suhang Wang

Adoption of recently developed methods from machine learning has given rise to creation of drug-discovery knowledge graphs (KG) that utilize the interconnected nature of the domain. Graph-based modelling of the data, combined with KG…

Machine Learning · Computer Science 2022-07-27 Stephen Bonner , Ufuk Kirik , Ola Engkvist , Jian Tang , Ian P Barrett

Much of human knowledge in cybersecurity is encapsulated within the ever-growing volume of scientific papers. As this textual data continues to expand, the importance of document organization methods becomes increasingly crucial for…

Organizing a large-scale knowledge graph into a typed property graph requires structural decisions -- which entities become nodes, which properties become edges, and what schema governs these choices. Existing approaches embed these…

Artificial Intelligence · Computer Science 2026-04-06 Yitao Li , Zhanlin Liu , Anuranjan Pandey , Muni Srikanth

Extracting relevant and structured knowledge from large, complex technical documents within the Reliability and Maintainability (RAM) domain is labor-intensive and prone to errors. Our work addresses this challenge by presenting OntoKGen, a…

Artificial Intelligence · Computer Science 2024-12-11 Mohammad Sadeq Abolhasani , Rong Pan

Structured and unstructured data and facts about drugs, genes, protein, viruses, and their mechanism are spread across a huge number of scientific articles. These articles are a large-scale knowledge source and can have a huge impact on…

Artificial Intelligence · Computer Science 2022-10-13 Md. Rezaul Karim , Hussain Ali , Prinon Das , Mohamed Abdelwaheb , Stefan Decker

Current science communication has a number of drawbacks and bottlenecks which have been subject of discussion lately: Among others, the rising number of published articles makes it nearly impossible to get an overview of the state of the…

Digital Libraries · Computer Science 2020-11-24 Arthur Brack , Anett Hoppe , Markus Stocker , Sören Auer , Ralph Ewerth

Knowledge graph (KG) is an abstraction that can be extracted from text corpora and used for in-depth reasoning. Prior work has leveraged KGs to fine-tune language models (LMs), enabling domain-specific superintelligence. In this work, we…

Computation and Language · Computer Science 2026-05-28 Jake Stephen , Niraj K. Jha

Ontologies have been known for their semantic representation of knowledge. ontologies cannot automatically evolve to reflect updates that occur in respective domains. To address this limitation, researchers have called for automatic…

Artificial Intelligence · Computer Science 2022-01-19 Samaa Elnagar , Victoria Yoon , Manoj A. Thomas

Knowledge graph (KG) is used to represent data in terms of entities and structural relations between the entities. This representation can be used to solve complex problems such as recommendation systems and question answering. In this…

Artificial Intelligence · Computer Science 2022-12-09 Ajay Kumar Gogineni

Large Language Models (LLMs) are being adopted at an unprecedented rate, yet still face challenges in knowledge-intensive domains like biomedicine. Solutions such as pre-training and domain-specific fine-tuning add substantial computational…