Mention the publication on -edge that was published by Sofiane in SIGSPATIAL/GIS.
Which paper on -edge was published by Abbar in SIGSPATIAL/GIS?
SELECT DISTINCT ?answer WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/07/225> . ?answer <https://dblp.org/rdf/schema#publishedIn> 'SIGSPATIAL/GIS' }
<https://dblp.org/pid/07/225>