# orca, the Ontology of Reasoning, Certainty and Attribution
orca, the Ontology of Reasoning, Certainty and Attribution, is an ontology for characterizing the certainty of information, how it is known, and its source

## DBpedia Archivo Ontology Snapshot

| Attribute |  Value |
| - | - |
| Ontology URI | <http://vocab.deri.ie/orca>
| Snapshot OWL Version IRI | <None>
| Snapshot Time | 2020-06-10 21:22:47

The [DBpedia Archivo Databus agent](https://databus.dbpedia.org/ontologies) generates only basic, static documentation for the archived snapshots of the ontologies. More, augmented and dynamic information for this ontology is rendered on and retrievable via [DBpedia Archivo Frontend](http://archivo.dbpedia.org/info?o=http://vocab.deri.ie/orca).

## Ontology Metadata

DBpedia Archivo extracts metadata from the ontology for well known properties (e.g. dct:description). This subsection shows the content of every property individually using a separate heading.

### dct:description

orca, the Ontology of Reasoning, Certainty and Attribution, is an ontology for characterizing the certainty of information, how it is known, and its source

 + ## All DBpedia Archivo ontologies from vocab.deri.ie domain

Each artifact in this group deals as the archive for snapshots of one ontology of the [DBpedia Archivo](https://databus.dbpedia.org/ontologies) -  A Web-Scale Interface for Ontology Archiving under Consumer-oriented Aspects. Find out more at [http://archivo.dbpedia.org](http://archivo.dbpedia.org). The description for the individual files in the artifact can be found [here](http://dev.dbpedia.org/DBpedia_Archvio#files).