Mention the year in which the first papers of the authors of 'A Fast Sub-Volume Search Method for Human Action Detection' were published.
In which year were the first papers of the authors of 'A Fast Sub-Volume Search Method for Human Action Detection' published?
SELECT DISTINCT ?answer MIN(xsd:integer(?y)) AS ?y WHERE { <https://dblp.org/rec/journals/ieicet/GuoMZW12> <https://dblp.org/rdf/schema#authoredBy> ?answer . ?x <https://dblp.org/rdf/schema#authoredBy> ?answer . ?x <https://dblp.org/rdf/schema#yearOfPublication> ?y }
<https://dblp.org/rec/journals/ieicet/GuoMZW12>