1. Find observations of species listed in the Global Invasive Species Database.
(simple triple matching)
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PREFIX rdf:       <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs:      <http://www.w3.org/2000/01/rdf-schema#>
PREFIX dwc:       <http://rs.tdwg.org/dwc/terms/#>
PREFIX issg:       <http://spire.umbc.edu/ontologies/lists/ISSG-GISD.rdf#>

select ?occurrenceID ?taxon

FROM <http://www.csee.umbc.edu/~jsachs/occurrences/TechnoBioblitzOccurrences.rdf>
FROM <http://spire.umbc.edu/ontologies/lists/ISSG-GISD.rdf>

WHERE {?occurrence dwc:occurrenceID ?occurrenceID .
       ?occurrence dwc:Identification ?identification .
       ?identification dwc:taxonConceptID ?taxon .
       ?taxon rdfs:subClassOf issg:ISSG-GISDThing}
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2. Find observations of species of concern in Massachusetts.
(requires rdfs reasoning)

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PREFIX rdf:       <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs:      <http://www.w3.org/2000/01/rdf-schema#>
PREFIX dwc:       <http://rs.tdwg.org/dwc/terms/#>
PREFIX inv:       <http://spire.umbc.edu/ontologies/InvasivesOntology.owl#>

select ?occurrenceID ?taxon

FROM <http://www.csee.umbc.edu/~jsachs/occurrences/TechnoBioblitzOccurrences.rdf>
FROM <http://spire.umbc.edu/ontologies/lists/invasiveMass.rdf>
FROM <http://spire.umbc.edu/ontologies/lists/noxiousMassPlants.rdf> 
FROM <http://spire.umbc.edu/ontologies/lists/rareMass.rdf>
FROM <http://spire.umbc.edu/ontologies/lists/threatenedMassPlants.rdf>

WHERE {?occurrence dwc:occurrenceID ?occurrenceID .
       ?occurrence dwc:Identification ?identification .
       ?identification dwc:taxonConceptID ?taxon .
       ?taxon rdfs:subClassOf inv:ThingOfConcern }
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