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This study compares participant acceptance of the property graph andedge-labelled graph paradigms, as represented by Cypher and the proposedextensions to the W3C standards, RDF* and SPARQL*.  In general, modelling preferences are consistent across the two paradigms.When presented with location information, participants preferred to createnodes to represent cities, rather than use metadata; although the preferencewas less marked for Cypher. In Cypher, participants showed little difference inpreference between representing dates or population size as nodes. In RDF*,this choice was not necessary since both could be represented as literals.However, there was a significant preference for using the date as metadata todescribe a triple containing population size, rather than vice versa. There wasno significant difference overall in accuracy of interpretation of queries inthe two paradigms; although in one specific case, the use of a reverse arrow inCypher was interpreted significantly more accurately than the ^ symbol inSPARQL. Based on our results and on the comments of participants, we make somerecommendations for modellers.  Techniques for reifing RDF have attracted a great deal of research. Recently,a hybrid approach, employing some of the features of property graphs, hasclaimed to offer an improved technique for RDF reification. Query-timereasoning is also a requirement which has prompted a number of proposedextensions to SPARQL and which is only possible to a limited extent in theproperty graph paradigm. Another recent development, the hypergraph paradigmenables more powerful query-time reasoning. There is a need for more researchinto the user acceptance of these various more powerful approaches to modellingand querying. Such research should take account of complex modellingsituations.

Edge Labelled Graphs and Property Graphs; a comparison from the user perspective