Mention the publication on Expression recognition that was published by Alvaro in Pattern Recognit..
Which research paper on Expression recognition was published by Alvaro in Pattern Recognit.?
SELECT DISTINCT ?answer WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/57/8614> . ?answer <https://dblp.org/rdf/schema#publishedIn> 'Pattern Recognit.' }
<https://dblp.org/pid/57/8614>