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Knowledge Graphs are pivotal for semantic data integration. The real-world data they model is often inherently uncertain. Within knowledge graphs, uncertainty manifests in three distinct levels: imprecise attribute values, probabilistic…

Artificial Intelligence · Computer Science 2026-05-19 Jingcheng Wu

The development of domain ontological models, though being a mature research arena backed by well-established methodologies, still suffer from two key shortcomings. Firstly, the issues concerning the semantic persistency of ontology…

Artificial Intelligence · Computer Science 2022-08-30 Mayukh Bagchi

Situation awareness is a crucial cognitive skill that enables individuals to perceive, comprehend, and project the current state of their environment accurately. It involves being conscious of relevant information, understanding its…

Information Retrieval · Computer Science 2023-07-26 Sumit Sharma , Sarika Jain

In this work, we fill the gap in the Semantic Web in the context of Cultural Symbolism. Building upon earlier work in, we introduce the Simulation Ontology, an ontology that models the background knowledge of symbolic meanings, developed by…

Artificial Intelligence · Computer Science 2021-11-04 Bruno Sartini , Marieke van Erp , Aldo Gangemi

The increasing importance of resource-efficient production entails that manufacturing companies have to create a more dynamic production environment, with flexible manufacturing machines and processes. To fully utilize this potential of…

Artificial Intelligence · Computer Science 2021-11-29 Anna Himmelhuber , Stephan Grimm , Thomas Runkler , Sonja Zillner

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

Despite improved digital access to scholarly knowledge in recent decades, scholarly communication remains exclusively document-based. In this form, scholarly knowledge is hard to process automatically. In this paper, we present the first…

We propose a novel approach to the problem of semantic heterogeneity where data are organized into a set of stratified and independent representation layers, namely: conceptual(where a set of unique alinguistic identifiers are connected…

Databases · Computer Science 2021-05-21 Fausto Giunchiglia , Alessio Zamboni , Mayukh Bagchi , Simone Bocca

Recent research on predicting the binding affinity between drug molecules and proteins use representations learned, through unsupervised learning techniques, from large databases of molecule SMILES and protein sequences. While these…

This paper describes a new technique, called "knowledge patterns", for helping construct axiom-rich, formal ontologies, based on identifying and explicitly representing recurring patterns of knowledge (theory schemata) in the ontology, and…

Artificial Intelligence · Computer Science 2020-05-12 Peter Clark , John Thompson , Bruce Porter

In recent years, there has been a resurgence in methods that use distributed (neural) representations to represent and reason about semantic knowledge for robotics applications. However, while robots often observe previously unknown…

Robotics · Computer Science 2021-05-11 Angel Daruna , Mehul Gupta , Mohan Sridharan , Sonia Chernova

We present a new unified graph-based representation of medical data, combining genetic information and medical records of patients with medical knowledge via a unique knowledge graph. This approach allows us to infer meaningful information…

Artificial Intelligence · Computer Science 2024-10-22 Davide Belluomo , Tiziana Calamoneri , Giacomo Paesani , Ivano Salvo

The ML-Schema, proposed by the W3C Machine Learning Schema Community Group, is a top-level ontology that provides a set of classes, properties, and restrictions for representing and interchanging information on machine learning algorithms,…

The sharing of ontologies between diverse communities of discourse allows them to compare their own information structures with that of other communities that share a common terminology and semantics - ontology sharing facilitates…

Artificial Intelligence · Computer Science 2018-10-29 Robert E. Kent

Human cognition can leverage fundamental conceptual knowledge, like geometric and kinematic ones, to appropriately perceive, comprehend and interact with novel objects. Motivated by this finding, we aim to endow machine intelligence with an…

Robotics · Computer Science 2024-09-19 Jianhua Sun , Yuxuan Li , Longfei Xu , Jiude Wei , Liang Chai , Cewu Lu

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

Traditional ontologies describe domain structure but cannot generate novel artifacts. Large language models generate fluently but produce outputs lacking structural validity, hallucinating mechanisms without components, goals without end…

Artificial Intelligence · Computer Science 2026-02-10 Benny Cheung

Knowledge graph is a collection of facts, known as triples(head, relation, tail), which are represented in form of a network, where nodes are entities and edges are relations among the respective head and tail entities. Embedding of…

Quantum Physics · Physics 2025-02-26 Pulak Ranjan Giri , Mori Kurokawa , Kazuhiro Saito

Medical artificial intelligence (AI) systems frequently lack systematic domain expertise integration, potentially compromising diagnostic reliability. This study presents an ontology-based framework for bone disease diagnosis, developed in…

Artificial Intelligence · Computer Science 2025-06-06 Loan Dao , Ngoc Quoc Ly

GraphFlow is a visual workflow system designed to improve the reliability of agentic AI automation in multi-step, mission-critical processes. In these workflows, small errors compound rapidly: under an idealized model of independent steps,…

Artificial Intelligence · Computer Science 2026-05-15 Drewry H. Morris , Luis Valles , Reza Hosseini Ghomi
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