Figure 1
Distribution of Roman Samian Ware (terra sigillata) manufactured in production centres in the western Roman Empire, using Samian Research data. Allard W. Mees, CC BY 4.0.
Figure 2
Differential marketing of marbled Samian during the 1st century AD. Allard W. Mees, CC BY 4.0.
Figure 3
Directed trading focused on the civil Roman towns en route towards the Roman military camps during the 1st century AD. Export distances of Samian produced at La Graufesenque and percentages of the total export per site. On the horizontal x-axis, the distance in kilometres is displayed, and on the vertical y-axis, the export percentages are shown. Allard Mees, CC BY 4.0.
Figure 4
Least cost routing of Samian Ware from Banassac to Carnuntum. Allard Mees, CC BY 4.0.
Figure 5
Scheme of the Federated Knowledge Graph Ecosystem. Florian Thiery and Andreas Noback, CC BY 4.0.
Figure 6
LOSW Linked Pipe as Data Flow Diagram. Florian Thiery, Timo Homburg, Martina Trognitz, CC BY 4.0.
Figure 7
A: Schematic representation of AMT modelling. B: Samian vessel form type string “15/17 OR 18 OR 18/31” according to the Dragendorff form type catalogue as RDF and SPARQL. Florian Thiery, Allard W. Mees, and Dennis Gottwald, CC BY 4.0.
Figure 8
A labelled graphic showing the organisation of information on Wikidata with the Decibalus suicide Samian vessel. Florian Thiery & Allard W. Mees, CC BY 4.0, via Wikimedia Commons.7
Figure 9
Rubbing of a decorated Samian vessel depicting the suicide of the Dacian king Decibalus during the reign of Trajan. Allard W. Mees, CC BY 4.0, via Wikimedia Commons.8
Figure 10
Schematic data model of the fuzzy-sl Wikibase. Florian Thiery, CC BY 4.0.
Figure 11
Semantic overview on the LOSW Ontology. Florian Thiery, Allard W. Mees, Dennis Gottwald, CC BY 4.0.
Figure 12
A: SPARQL query within the NFDI4Objects Knowledge Graph. B: Visualisation of Samian Research production centres and their kiln regions in QGIS. Florian Thiery, CC BY 4.0.
Figure 13
A: 3876 LOSW Discovery Sites. B: 103 LOSW Production Centres. C: LOSW 11 Kiln regions on Wikidata queried via (A) https://w.wiki/6EBu; (B) https://w.wiki/6EBx; (C) https://w.wiki/FmeX on 2025-10-22; CC0, Wikidata Community.
Figure 14
A: Samian Ware findspots in the fuzzy-sl Wikibase from London and Southwark. B: findspots and potter dies; Licence: map: CC BY 4.0, fuzzy-sl Wikibase; potter dies: LEIZA/Samian Research.
Figure 15
The workflow from the Samian Research relational database and its analysis with the SPARQLing Unicorn QGIS Plugin. Florian Thiery and Allard W. Mees, CC BY 4.0.
Figure 16
A: Distribution of Samian Ware produced at La Graufesenque by the samian potter Vitalis i (red) and amphoras of type Dressel 20 made by an amphora potter Vitalis (black) produced in the Baetica area. B: Distribution of Samian Ware produced at Les Martres-de-Veyre by the samian potter Vitalis iii (red) and amphoras of type Dressel 20 made by an amphora potter Vitalis (black) produced in the Baetica area. Allard W. Mees and Florian Thiery, CC BY 4.0.
Figure 17
Aggregated individual sites as Limes sections and their relative Allen time intervals as RDF. Florian Thiery, CC BY 4.0.