Question: Can you add the paper IDs of those to the table please?
SQL: SELECT t3.title,t3.paperID FROM authors AS t1 JOIN authorship AS t2 ON t1.authid   =   t2.authid JOIN papers AS t3 ON t2.paperid   =   t3.paperid WHERE  t1.fname   =   "Ralf" AND t1.lname   =   "Hinze"