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 …

Formalisation and experiences of R2RML-based SPARQL to SQL query translation using morph

F Priyatna, O Corcho, J Sequeda - Proceedings of the 23rd international …, 2014 - dl.acm.org
R2RML is used to specify transformations of data available in relational databases into
materialised or virtual RDF datasets. SPARQL queries evaluated against virtual datasets are …

Using Berlin SPARQL benchmark to evaluate virtual SPARQL endpoints over relational databases

M Chaloupka, M Necasky - Data & Knowledge Engineering, 2024 - Elsevier
The RDF is a popular and well-documented format for publishing structured data on the
web. It enables data to be consumed without the knowledge of how the data is internally …

Ontowiki–an authoring, publication and visualization interface for the data web

P Frischmuth, M Martin, S Tramp, T Riechert… - Semantic …, 2015 - content.iospress.com
OntoWiki is a front-end application for the Semantic Data Web, which was originally
developed to support distributed knowledge engineering scenarios. Due to its extensibility it …

[PDF][PDF] Simplified RDB2RDF Map**.

C Stadler, J Unbehauen, P Westphal… - LDOW …, 2015 - events.linkeddata.org
A CONSTRUCT clause for which quads to create A FROM clause for the underlying logical
table. a WITH clause that creates RDF terms from the columns of the logical table and …

Linked'Big'Data: towards a manifold increase in big data value and veracity

J Debattista, C Lange, S Scerri… - 2015 IEEE/ACM 2nd …, 2015 - ieeexplore.ieee.org
The Web of Data is an increasingly rich source of information, which makes it useful for Big
Data analysis. However, there is no guarantee that this Web of Data will provide the …

A map**-based method to query MongoDB documents with SPARQL

F Michel, C Faron-Zucker, J Montagnat - … 5-8, 2016, Proceedings, Part II 27, 2016 - Springer
Accessing legacy data as virtual RDF stores is a key issue in the building of the Web of Data.
In recent years, the MongoDB database has become a popular actor in the NoSQL market …

The query translation landscape: a survey

MN Mami, D Graux, H Thakkar, S Scerri, S Auer… - ar**, Schema Transformation and Query Translation to Integrate XML and the Semantic Web
N Bikakis, C Tsinaraki, I Stavrakantonakis, N Gioldasis… - World Wide Web, 2015 - Springer
In the context of the emergent Web of Data, a large number of organizations, institutes and
companies (eg, DBpedia, Data. gov, GeoNames, PubMed) adopt the Linked Data practices …

A generic map**-based query translation from SPARQL to various target database query languages

F Michel, CF Zucker, J Montagnat - 12th International Conference on …, 2016 - hal.science
Fostering the development of SPARQL interfaces to heterogeneous databases is a key to
efficiently expose legacy data as RDF on the Web. To deal with the variety of modern …