Declarative RDF graph generation from heterogeneous (semi-) structured data: A systematic literature review

D Van Assche, T Delva, G Haesendonck… - Journal of Web …, 2023 - Elsevier
More and more data in various formats are integrated into knowledge graphs. However,
there is no overview of existing approaches for generating knowledge graphs from …

[HTML][HTML] Construction of knowledge graphs: Current state and challenges

M Hofer, D Obraczka, A Saeedi, H Köpcke, E Rahm - Information, 2024 - mdpi.com
With Knowledge Graphs (KGs) at the center of numerous applications such as recommender
systems and question-answering, the need for generalized pipelines to construct and …

The RML ontology: a community-driven modular redesign after a decade of experience in map** heterogeneous data to RDF

A Iglesias-Molina, D Van Assche… - International Semantic …, 2023 - Springer
Abstract The Relational to RDF Map** Language (R2RML) became a W3C
Recommendation a decade ago. Despite its wide adoption, its potential applicability beyond …

Construction of knowledge graphs: State and challenges

M Hofer, D Obraczka, A Saeedi, H Köpcke… - arxiv preprint arxiv …, 2023 - arxiv.org
With knowledge graphs (KGs) at the center of numerous applications such as recommender
systems and question answering, the need for generalized pipelines to construct and …

[HTML][HTML] Reconfigurable smart contracts for renewable energy exchange with re-use of verification rules

T Górski - Applied Sciences, 2022 - mdpi.com
Smart contracts constitute the foundation for blockchain distributed applications. These
constructs enable transactions in trustless environments using consensus algorithms and …

[HTML][HTML] Semantic Web Rule Language-based approach for implementing Knowledge-Based Engineering systems

L Zhang, A Lobov - Advanced Engineering Informatics, 2024 - Elsevier
The culture of product design is shifting from case-by-case development to the Knowledge-
Based Engineering (KBE) paradigm facilitating knowledge sharing and reusing among …

Boosting knowledge graph generation from tabular data with RML views

J Arenas-Guerrero, A Alobaid, M Navas-Loro… - European Semantic …, 2023 - Springer
A large amount of data is available in tabular form. RML is commonly used to declare how
such data can be transformed into RDF. However, RML presents limitations that lead, in …

Enhancing virtual ontology based access over tabular data with Morph-CSV

D Chaves-Fraga, E Ruckhaus, F Priyatna… - Semantic …, 2021 - content.iospress.com
Abstract Ontology-Based Data Access (OBDA) has traditionally focused on providing a
unified view of heterogeneous datasets (eg, relational databases, CSV and JSON files) …

Special issue on “Data exploration in the web 3.0 age”

M Atzori, G Koutrika, B Pes, L Tanca - Future Generation Computer Systems, 2020 - Elsevier
This FGCS special issue aims at supporting the discussion and the circulation of research
on the various kinds and ways for Data Exploration, in a sense that especially stems from the …

Ontology-based GraphQL server generation for data access and data integration

H Li, O Hartig, R Armiento, P Lambrix - Semantic Web, 2024 - journals.sagepub.com
In a GraphQL Web API, a so-called GraphQL schema defines the types of data objects that
can be queried, and so-called resolver functions are responsible for fetching the relevant …