Which paper on Signal classification was published by Chen in Inf.?
Mention the publication on Signal classification that was published by Rong in Inf..
SELECT DISTINCT ?answer WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/22/6904> . ?answer <https://dblp.org/rdf/schema#publishedIn> 'Inf.' }
<https://dblp.org/pid/22/6904>