Was the paper 'Negative Boolean Constraints' not not published in the year 1996?
Was the publication 'Negative Boolean Constraints' not not published in 1996?
ASK { <https://dblp.org/rec/journals/tcs/MarriottO96> <https://dblp.org/rdf/schema#yearOfPublication> '1996' }
<https://dblp.org/rec/journals/tcs/MarriottO96>