The webapp provides for each item the link on ECB's website.
Speeches for : Philip R. Lane where "duration" appeared
2020-06-24 : The ECB’s monetary policy response to the pandemic: liquidity, stabilisation and supporting the recovery2020-05-01 : The monetary policy response to the pandemic emergency
2020-03-13 : The Monetary Policy Package: An Analytical Framework
2019-11-25 : The yield curve and monetary policy