Delta: A Modular Ontology Evaluation System

Ontologies are widely used nowadays. However, the plethora of ontologies currently available online, makes it really difficult to identify which appropriate for a given task and decide on their quality characteristics. This is further complicated by fact that multiple criteria have been proposed ontologies, making even more ontology adopt. In this context, in paper we present Delta, modular online tool analyzing evaluating ontologies. The interested user can upload an tool, then automatically analyzes graphically visualizes numerous statistics, metrics, pitfalls. Those visuals presented include diverse set dimensions, guiding users understand benefits drawbacks each individual how properly develop extend it.