What was the name of the paper that was published on "IEEE Transactions on Pattern Analysis and Machine Intelligence" in 2011?
'IEEE Transactions on Pattern Analysis and Machine Intelligence' is the FullName of journal; 2011 refers to Year = '2011'; name of the paper refers to Title of paper
SELECT T2.Title FROM Journal AS T1 INNER JOIN Paper AS T2 ON T1.Id = T2.JournalId WHERE T1.FullName = 'IEEE Transactions on Pattern Analysis and Machine Intelligence' AND T2.Year = 2011 AND T2.Title <> ''