SCOVO – Statistical Core Vocabulary

A vocabulary for representing statistical data. Three basic concepts are used: a dataset, representing the container of some data, such as a table holding some data in its cells; a data item, representing a single piece of data (e.g. a cell in a table); a dimension, representing some kind of unit of a single piece of data (for example a time period, location, etc.)


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The following examples shows how to use scovo to model statistics for airline on-time arrivals and departures more…

@prefix ex: <> .
@prefix scv: <> .
@prefix dc: <> .
@prefix rdf: <> .
@prefix rdfs: <> .
@prefix xsd: <> .

 # domain schema definitions
 ex:TimePeriod rdfs:subClassOf scv:Dimension ;
   dc:title "time period" .
 ex:Q12006 rdf:type ex:TimePeriod ;
   dc:title "2006 Q1" ;
   scv:min "2006-01-01"^^xsd:date ;
   scv:max "2006-03-31"^^xsd:date .
 ex:OnTime rdfs:subClassOf scv:Dimension ; 
   dc:title "on-time arrivals or departures" .

 ex:ota rdf:type ex:OnTime ;
   dc:title "on-time arrivals" .
 ex:Airport rdfs:subClassOf scv:Dimension ;
   dc:title "airport" .
 ex:AtlantaHartsfield rdf:type ex:Airport ;
   dc:title "Atlanta, Hartsfield" .
 # dataset and data items instances
 ex:ontime-flights rdf:type scv:Dataset ;
   dc:title "On-time Flight Arrivals and Departures at Major U.S. Airports: 2006" ;
   scv:datasetOf ex:AtlantaHartsfield-ota-2006-q1 .
 ex:AtlantaHartsfield-ota-2006-q1 rdf:type scv:Item ;
   rdf:value 74 ;
   scv:dataset ex:ontime-flights ;
   scv:dimension ex:Q12006 ;
   scv:dimension ex:ota ;
   scv:dimension ex:AtlantaHartsfield .