Was 'Getting \Messy\ with Problems: The Challenges of Teaching \Soft\ OR' not published in 2011?
Wasn't the publication 'Getting \Messy\ with Problems: The Challenges of Teaching \Soft\ OR' published in 2011?
ASK { <https://dblp.org/rec/journals/ited/Ackermann11> <https://dblp.org/rdf/schema#yearOfPublication> '2011' FILTER NOT EXISTS { <https://dblp.org/rec/journals/ited/Ackermann11> <https://dblp.org/rdf/schema#yearOfPublication> '2011' } }
<https://dblp.org/rec/journals/ited/Ackermann11>