<https://blogs.mtu.edu/geo/2015/09/01/aleksey-smirnov-awarded-nsf-grant/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blogs.mtu.edu/geo/2015/09/01/aleksey-smirnov-awarded-nsf-grant/>