The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "simple" appeared
2011-05-05 : Monetary policy in uncertain times2007-09-07 : The euro area and its Monetary Policy
2006-06-08 : Lecture on “Activism and alertness in monetary policy”
2004-10-20 : Press briefing on the ECB Convergence Report
2004-10-05 : Key issues for monetary policy: an ECB view