SELECT ?obId1 ?obId2 ?v1 ?v2 FROM STREAM <AarhusPollutionData182955> [range 3s step 1s]
FROM STREAM <AarhusPollutionData182955> [range 3s step 1s]
FROM STREAM <AarhusPollutionData182955> [range 3s step 1s]
FROM STREAM <AarhusPollutionData182955> [range 3s step 1s]
WHERE {?p1 a <http://www.insight-centre.org/citytraffic#ParkingVacancy>. ?p2 a <http://www.insight-centre.org/citytraffic#CongestionLevel>. {?obId1 a ?ob. ?obId1 <http://purl.oclc.org/NET/ssnx/ssn#observedProperty> ?p1. ?obId1 <http://purl.oclc.org/NET/sao/hasValue> ?v1.?obId1 <http://purl.oclc.org/NET/ssnx/ssn#observedBy> <http://www.insight-centre.org/dataset/SampleEventService#AarhusParkingDataKALKVAERKSVEJ>. }{?obId2 a ?ob.?obId2 <http://purl.oclc.org/NET/ssnx/ssn#observedProperty> ?p2.?obId2 <http://purl.oclc.org/NET/sao/hasValue> ?v2.?obId2 <http://purl.oclc.org/NET/ssnx/ssn#observedBy> <http://www.insight-centre.org/dataset/SampleEventService#AarhusTrafficData158505>.}}