An ontology for describing the phenology of individual plants and populations of plants, and for integrating plant phenological data across sources and scales.
The OWL file at http://purl.obolibrary.org/obo/ppo.owl states its ontology IRI to be https://raw.githubusercontent.com/PlantPhenoOntology/ppo/master/ppo.owl and its version IRI to be https://raw.githubusercontent.com/PlantPhenoOntology/ppo/master/releases/2018-10-26/ppo.owl.
Ideally these would be http://purl.obolibrary.org/obo/ppo.owl and http://purl.obolibrary.org/obo/ppo/releases/2018-10-26/ppo.owl.
The OWL file at
http://purl.obolibrary.org/obo/ppo.owl
states its ontology IRI to behttps://raw.githubusercontent.com/PlantPhenoOntology/ppo/master/ppo.owl
and its version IRI to behttps://raw.githubusercontent.com/PlantPhenoOntology/ppo/master/releases/2018-10-26/ppo.owl
.Ideally these would be
http://purl.obolibrary.org/obo/ppo.owl
andhttp://purl.obolibrary.org/obo/ppo/releases/2018-10-26/ppo.owl
.