Mapping Spreadsheets to RDF: Supporting Excel in RML

Markus Schröder; Christian Jilek; Andreas Dengel

In: The Semantic Web: ESWC 2021 Satellite Events. Extended Semantic Web Conference (ESWC-2021), June 6-10, Hersonissos/Virtual, Greece, Springer, 2021.


The RDF Mapping Language (RML) enables, among other formats, the mapping of tabular data as Comma-Separated Values (CSV) files to RDF graphs. Unfortunately, the widely used spreadsheet format is currently neglected by its specification and well-known implementations. Therefore, we extended RML Mapper to support Microsoft Excel spreadsheet files and demonstrate its capabilities in an interactive online demo. Our approach allows to access various meta data of spreadsheet cells in typical RML maps. Some experimental features for more specific use cases are also provided. The implementation code is publicly available in a GitHub fork.


Deutsches Forschungszentrum für Künstliche Intelligenz
German Research Center for Artificial Intelligence