List the years in which the authors of 'A system for reasoning with imprecise linguistic information' published other papers.
The authors of 'A system for reasoning with imprecise linguistic information' published in which other years?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/journals/ijar/Schwartz91> <https://dblp.org/rdf/schema#authoredBy> ?x . <https://dblp.org/rec/journals/ijar/Schwartz91> <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/ijar/Schwartz91>