List the years in which the authors of 'Welchen Beitrag kann die Geoinformationsverarbeitung zur Entwicklung des Digitalen Zeitalters leisten? / What Contribution Can Geoinformation Processing Make to the Development of the Digital Age?' published other papers.
In which other years were the authors of 'Welchen Beitrag kann die Geoinformationsverarbeitung zur Entwicklung des Digitalen Zeitalters leisten? / What Contribution Can Geoinformation Processing Make to the Development of the Digital Age?' publishing?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/journals/agit/Mandl20> <https://dblp.org/rdf/schema#authoredBy> ?x . <https://dblp.org/rec/journals/agit/Mandl20> <https://dblp.org/rdf/schema#yearOfPublication> ?y . ?z <https://dblp.org/rdf/schema#authoredBy> ?x . ?z <https://dblp.org/rdf/schema#yearOfPublication> ?answer FILTER (?answer != ?y) }
<https://dblp.org/rec/journals/agit/Mandl20>