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The automatic construction of knowledge graphs (KGs) is an important research area in medicine, with far-reaching applications spanning drug discovery and clinical trial design. These applications hinge on the accurate identification of…

Computation and Language · Computer Science 2025-01-30 Vahan Arsenyan , Spartak Bughdaryan , Fadi Shaya , Kent Small , Davit Shahnazaryan

Large Language Models (LLMs) have inherent limitations of faithfulness and factuality, commonly referred to as hallucinations. Several benchmarks have been developed that provide a test bed for factuality evaluation within the context of…

Computation and Language · Computer Science 2025-10-24 Ernests Lavrinovics , Russa Biswas , Katja Hose , Johannes Bjerva

Personal service robots are deployed to support daily living in domestic environments, particularly for elderly and individuals requiring assistance. These robots must perceive complex and dynamic surroundings, understand tasks, and execute…

Artificial Intelligence · Computer Science 2025-07-15 Margherita Martorana , Francesca Urgese , Mark Adamik , Ilaria Tiddi

This paper presents a principled and scalable framework for systematically generating complex Question Answering (QA) data. In the core of this framework is a graphlet-anchored generation process, where small subgraphs from a Knowledge…

Computation and Language · Computer Science 2026-04-30 Richard A. A. Jonker , Bárbara Maria Ribeiro de Abreu Martins , Sérgio Matos

In today's rapidly expanding data landscape, knowledge extraction from unstructured text is vital for real-time analytics, temporal inference, and dynamic memory frameworks. However, traditional static knowledge graph (KG) construction…

Artificial Intelligence · Computer Science 2026-01-27 Yassir Lairgi , Ludovic Moncla , Khalid Benabdeslem , Rémy Cazabet , Pierre Cléau

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 2023-02-24 Md. Rezaul Karim , Lina Molinas Comet , Oya Beyan , Dietrich Rebholz-Schuhmann , Stefan Decker

Knowledge graphs (KGs) are widely used for representing and organizing structured knowledge in diverse domains. However, the creation and upkeep of KGs pose substantial challenges. Developing a KG demands extensive expertise in data…

Information Retrieval · Computer Science 2023-09-19 Samira Babalou , Sheeba Samuel , Birgitta König-Ries

Predicting missing facts in a knowledge graph (KG) is crucial as modern KGs are far from complete. Due to labor-intensive human labeling, this phenomenon deteriorates when handling knowledge represented in various languages. In this paper,…

Artificial Intelligence · Computer Science 2022-03-30 Zijie Huang , Zheng Li , Haoming Jiang , Tianyu Cao , Hanqing Lu , Bing Yin , Karthik Subbian , Yizhou Sun , Wei Wang

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…

Machine Learning · Computer Science 2026-01-01 Pascal Passigan , Kevin Zhu , Angelina Ning

Large language models (LLMs) are increasingly used in the mental health domain, yet it remains unclear how well they capture related biomedical knowledge and how reliably they apply it to clinically salient structured judgments. Here, we…

Computation and Language · Computer Science 2026-05-18 Weixin Liu , Congning Ni , Shelagh A. Mulvaney , Susannah L. Rose , Murat Kantarcioglu , Bradley A. Malin , Zhijun Yin

Background. In the last decades, several life science resources have structured data using the same framework and made these accessible using the same query language to facilitate interoperability. Knowledge graphs have seen increased…

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

RNA-KG is a recently developed knowledge graph that integrates the interactions involving coding and non-coding RNA molecules extracted from public data sources. It can be used to support the classification of new molecules, identify new…

Databases · Computer Science 2025-08-12 Emanuele Cavalleri , Paolo Perlasca , Marco Mesiti

We present MMKG, a collection of three knowledge graphs that contain both numerical features and (links to) images for all entities as well as entity alignments between pairs of KGs. Therefore, multi-relational link prediction and entity…

Artificial Intelligence · Computer Science 2019-03-14 Ye Liu , Hui Li , Alberto Garcia-Duran , Mathias Niepert , Daniel Onoro-Rubio , David S. Rosenblum

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

Multilingual knowledge graphs (KGs) provide high-quality relational and textual information for various NLP applications, but they are often incomplete, especially in non-English languages. Previous research has shown that combining…

Computation and Language · Computer Science 2025-01-08 Zelin Zhou , Simone Conia , Daniel Lee , Min Li , Shenglei Huang , Umar Farooq Minhas , Saloni Potdar , Henry Xiao , Yunyao Li

Untargeted metabolomics generates large volumes of tandem mass spectrometry (MS/MS) data and computational annotations that can reveal molecular mechanisms across organisms and environments. Public reuse has improved through harmonized…

Databases · Computer Science 2026-05-26 Matthieu Féraud , Dina Boukhajou , Fabien Gandon , Louis-Félix Nothias

Drug repositioning-a promising strategy for discovering new therapeutic uses for existing drugs-has been increasingly explored in the computational science literature using biomedical databases. However, the technological potential of drug…

Artificial Intelligence · Computer Science 2024-07-25 Yongseung Jegal , Jaewoong Choi , Jiho Lee , Ki-Su Park , Seyoung Lee , Janghyeok Yoon

Knowledge graphs (KGs) serve as a vital backbone for a wide range of AI applications, including natural language understanding and recommendation. A promising yet underexplored direction is numerical reasoning over KGs, which involves…

Artificial Intelligence · Computer Science 2026-04-21 Ming Yin , Zongsheng Cao , Qiqing Xia , Chenyang Tu , Neng Gao

Knowledge Graphs (KGs) often have two characteristics: heterogeneous graph structure and text-rich entity/relation information. Text-based KG embeddings can represent entities by encoding descriptions with pre-trained language models, but…

Computation and Language · Computer Science 2023-09-15 Xin Xie , Zhoubo Li , Xiaohan Wang , Zekun Xi , Ningyu Zhang