Figure 1: Example of a class hierarchy in an ontology.
Figure 2: Example of a Roman ceramic tableware class hierarchy.
Figure 3: Class hierarchy in the data model for the tablewares from the fort at Ellingen.
Figure 4: Inked-in design for the data model for a Roman tablewares ontology. (Drawing by D. van Helden)
Figure 5: Final data model for a Roman tablewares ontology. The yellow nodes indicate classes and the cyan nodes indicate literals. (Drawing in yEd by D. van Helden)
Figure 6: Screenshot from Protégé ontology model for Roman tablewares showing, on the right, the instance level of the 'Form_Type' class.
Figure 7: Screenshot from Protégé ontology model for Roman tablewares showing, on the right, the instance level of the 'Artefact' class.
Figure 8: Instructions for installing and using Protégé and downloading the Ellingen ontology.
Figure 9: Hypothetical excavation plan.
Figure 10: Key for graph notations and colour schemes for the Visual Query Interface.
Figure 11: Sample query for the Ellingen dataset. (Drawing in yEd by D. van Helden)
Figure 12: Spatial analysis of assemblages of 'Form_Labels' by building in the fort at Ellingen.
Figure 13: Chronological analysis of 'Form_Labels across the fort at Ellingen, according to all documented building phases and ranges of phases.
Figure 14: Chronological analysis of 'Form_Labels' across the fort at Ellingen with reduced building phases.
Figure 15: Chronological analysis of 'Form_Labels across the fort at Ellingen with definite building phases only.
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