SELECT t2.name FROM publication AS t4 JOIN journal AS t2 ON t4.jid  =  t2.jid JOIN writes AS t3 ON t3.pid  =  t4.pid JOIN author AS t1 ON t3.aid  =  t1.aid WHERE t1.name  =  "H. V. Jagadish" GROUP BY t2.name ORDER BY COUNT ( DISTINCT t4.title ) DESC LIMIT 1;
return me the journal, which have the most number of papers by " H. V. Jagadish " .