The next major release of Vitro / VIVO contains an upgrade of Jena - from 2.10.1, to Jena 3.x (3.1.1 at time of writing). Whilst development is still progressing, in order to maximise amount of testing of this core upgrade, an alpha has been released.
What has changed
Jena 3 improves Jena's RDF 1.1 compatibility. Specifically, literal values always have datatypes. "Untyped" string literals are the same as the identical value typed as xsd:string. See the following document for more information
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