When were the first papers of the authors of 'A unified framework for linear dimensionality reduction in l1' published?
Mention the year in which the first papers of the authors of 'A unified framework for linear dimensionality reduction in l1' were published.
SELECT DISTINCT ?answer MIN(xsd:integer(?y)) AS ?y WHERE { <https://dblp.org/rec/journals/corr/Ward14> <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/corr/Ward14>