The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "detailed" appeared
2010-10-19 : The continuing quest for reliable and timely statistics2008-01-16 : A few remarks on communication by central banks
2005-01-25 : Communication, transparency and the ECB's monetary policy
2004-11-11 : The ECB's use of statistics and other information for monetary policy
2004-09-27 : Current issues on the European Central Bank and the euro