Query 1 - Boundary_CLC: PREFIX geof: PREFIX datasets: PREFIX clc: SELECT (geof:boundary(?o1) AS ?ret) WHERE { GRAPH datasets:clc {?s1 clc:asWKT ?o1} } Query 2 - Envelope_CLC: PREFIX geof: PREFIX datasets: PREFIX clc: SELECT (geof:envelope(?o1) AS ?ret) WHERE { GRAPH datasets:clc {?s1 clc:asWKT ?o1} } Query 3 - ConvexHull_CLC: PREFIX geof: PREFIX datasets: PREFIX clc: SELECT (geof:convexHull(?o1) AS ?ret) WHERE { GRAPH datasets:clc {?s1 clc:asWKT ?o1} } Query 4 - Buffer_GeoNames_2: PREFIX geof: PREFIX datasets: PREFIX geonames: PREFIX opengis: SELECT (geof:buffer(?o1, 4, opengis:metre) AS ?ret) WHERE { GRAPH datasets:geonames {?s1 geonames:asWKT ?o1} } Query 5 - Buffer_LGD_2: PREFIX geof: PREFIX datasets: PREFIX lgd: PREFIX opengis: SELECT (geof:buffer(?o1, 4, opengis:metre) AS ?ret) WHERE { GRAPH datasets:lgd {?s1 lgd:asWKT ?o1} } Query 6 - Area_CLC: PREFIX strdf: PREFIX datasets: PREFIX clc: SELECT (strdf:area(?o1) as ?ret) WHERE { GRAPH dataset:clc {?s1 clc:asWKT ?o1} }