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The rapid advancement of digital technologies and recent global pandemic scenarios have led to a growing focus on how these technologies can enhance healthcare service delivery and workflow to address crises. Action plans that consolidate…

Artificial Intelligence · Computer Science 2025-01-20 Subhashis Das , Debashis Naskar , Sara Rodriguez Gonzalez , Pamela Hussey

Semantic embedding has been widely investigated for aligning knowledge graph (KG) entities. Current methods have explored and utilized the graph structure, the entity names and attributes, but ignore the ontology (or ontological schema)…

Computation and Language · Computer Science 2021-05-25 Yuejia Xiang , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Zhenxi Lin , Yefeng Zheng

Personal service robots are increasingly used in domestic settings to assist older adults and people requiring support. Effective operation involves not only physical interaction but also the ability to interpret dynamic environments,…

Robotics · Computer Science 2025-09-29 Margherita Martorana , Francesca Urgese , Ilaria Tiddi , Stefan Schlobach

Knowledge graphs (KG) are used in a wide range of applications. The automation of KG generation is very desired due to the data volume and variety in industries. One important approach of KG generation is to map the raw data to a given KG…

Artificial Intelligence · Computer Science 2022-09-23 Dongzhuoran Zhou , Baifan Zhou , Jieying Chen , Gong Cheng , Egor V. Kostylev , Evgeny Kharlamov

Ontologies can act as a schema for constructing knowledge graphs (KGs), offering explainability, interoperability, and reusability. We explore \emph{ontology-compliant} KGs, aiming to build both internal and external ontology compliance. We…

Information Retrieval · Computer Science 2026-03-31 Zhangcheng Qiang

Presently, a very large number of public and private data sets are available from local governments. In most cases, they are not semantically interoperable and a huge human effort would be needed to create integrated ontologies and…

Databases · Computer Science 2015-08-06 Pierfrancesco Bellini , Monica Benigni , Riccardo Billero , Paolo Nesi , Nadia Rauch

Most of the existing techniques to product discovery rely on syntactic approaches, thus ignoring valuable and specific semantic information of the underlying standards during the process. The product data comes from different heterogeneous…

Artificial Intelligence · Computer Science 2020-10-19 Sarika Jain

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

As we approach the exascale era, the size and complexity of HPC systems continues to increase, raising concerns about their manageability and sustainability. For this reason, more and more HPC centers are experimenting with fine-grained…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-21 Alessio Netti , Micha Mueller , Carla Guillen , Michael Ott , Daniele Tafani , Gence Ozer , Martin Schulz

We propose an ontology-grounded approach to Knowledge Graph (KG) construction using Large Language Models (LLMs) on a knowledge base. An ontology is authored by generating Competency Questions (CQ) on knowledge base to discover knowledge…

Artificial Intelligence · Computer Science 2024-12-31 Xiaohan Feng , Xixin Wu , Helen Meng

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

Knowledge Graphs (KGs) are increasingly used to represent and explore complex, interconnected data across diverse domains. However, existing KG visualization systems remain limited because they fail to provide the context of user questions.…

Human-Computer Interaction · Computer Science 2026-04-14 Rumali Perera , Xiaoqi Wang , Han-wei Shen

In ontology-based data access (OBDA), users are provided with a conceptual view of a (relational) data source that abstracts away details about data storage. This conceptual view is realized through an ontology that is connected to the data…

Databases · Computer Science 2018-02-05 Davide Lanti , Guohui Xiao , Diego Calvanese

In recent years, data science has evolved significantly. Data analysis and mining processes become routines in all sectors of the economy where datasets are available. Vast data repositories have been collected, curated, stored, and used…

Artificial Intelligence · Computer Science 2022-07-19 Quoc Hung Ngo , Tahar Kechadi , Nhien-An Le-Khac

Large Language Models (LLMs) have been extensively adopted in Knowledge Graph Completion (KGC), showcasing significant research advancements. However, as black-box models driven by deep neural architectures, current LLM-based KGC methods…

Computation and Language · Computer Science 2025-10-22 Wenbin Guo , Xin Wang , Jiaoyan Chen , Zhao Li , Zirui Chen

Data warehouses are nowadays an important component in every competitive system, it's one of the main components on which business intelligence is based. We can even say that many companies are climbing to the next level and use a set of…

Databases · Computer Science 2013-10-23 Naoual Mouhni , Abderrafiaa Elkalay

Recently ontologies have been exploited in a wide range of research areas for data modeling and data management. They greatly assists in defining the semantic model of the underlying data combined with domain knowledge. In this paper, we…

Databases · Computer Science 2021-06-08 Jiantao Wu , Fabrizio Orlandi , Declan O'Sullivan , Soumyabrata Dev

Efficiency and scalability are obstacles that have not yet received a viable response from the human activity recognition research community. This paper proposes an activity recognition method. The knowledge model is in the form of…

Human-Computer Interaction · Computer Science 2021-09-08 Pouya Foudeh , Naomie Salim

The development of technologies has prompted a paradigm shift in the automotive industry, with an increasing focus on connected services and autonomous driving capabilities. This transformation allows vehicles to collect and share vast…

Social and Information Networks · Computer Science 2025-04-23 Haiyue Yuan , Ali Raza , Nikolay Matyunin , Jibesh Patra , Shujun Li

The importance of improving the FAIRness (findability, accessibility, interoperability, reusability) of research data is undeniable, especially in the face of large, complex datasets currently being produced by omics technologies.…