Experiments 10 is not working

[janez87]

CSPARQL fails to register the query for experiments 10.

Registering the following query:

select ?obId1 ?obId2 ?lat1 ?lon1 ?lat2 ?lon2 ?v1 ?v2 ((?v1+?v2) as ?sumOfAPI)
from stream http://www.insight-centre.org/dataset/SampleEventService#AarhusPollutionData201399 [range 3s step 1s]
from stream http://www.insight-centre.org/dataset/SampleEventService#AarhusPollutionData184892 [range 3s step 1s]
from <SensorRepository.rdf>
where {

{?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#AarhusPollutionData201399.
}

{?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#AarhusPollutionData184892.
}}

throws the following exception:

java.lang.UnsupportedOperationException: Unsupported query type: QUERY Q10v2 AS SELECT ?obId1 ?obId2 ?lat1 ?lon1 ?lat2 ?lon2 ?v1 ?v2