SELECT T2.Author FROM acceptance AS T1 JOIN submission AS T2 ON T1.Submission_ID  =  T2.Submission_ID GROUP BY T2.Author HAVING COUNT(DISTINCT T1.workshop_id)  >  1
Which authors have submitted to more than one workshop?
SELECT T2.Author FROM acceptance AS T1 JOIN submission AS T2 ON T1.Submission_ID = T2.Submission_ID GROUP BY T2.Author HAVING COUNT ( DISTINCT T1.workshop_id ) > 1
select t2 . author from acceptance as t1 join submission as t2 on t1 . submission_id = t2 . submission_id group by t2 . author having count ( distinct t1 . workshop_id ) > value
Which authors have submitted to more than one workshop ?