Journal of Sensors / 2016 / Article / Lst 1

Research Article

SREQP: A Solar Radiation Extraction and Query Platform for the Production and Consumption of Linked Data from Weather Stations Sensors

Listing 1

Sample SPARQL query.
select ?quantityvalue
where {
?station wgs84:location "<>".
?sensor ssn:onPlatform ?station.
?sensor a solrad:DirectIrradiancePyranometer.
?measurement ssn:observedBy ?sensor.
?measurement ssn:observationResult ?result.
?result ssn:hasValue ?value.
?value ssn:hasQuantityValue ?quantityvalue.
?measurement time:hasBeginning ?beginning.
?beginning time:inXSDDateTime ?timedate
FILTER (?timedate = "2015-06-19T13:00:00.00+01:00"∧∧xsd:#dateTime>)

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