The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "asset" appeared
2010-04-08 : Introductory statement with Q&A2009-07-02 : Introductory statement with Q&A
2005-05-04 : Introductory statement with Q&A
2004-10-07 : Introductory statement with Q&A
2004-07-01 : Introductory statement with Q&A