The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "uncertain" appeared
2018-11-26 : Interview with Agence France-Presse2017-06-01 : Banks business models: keeping pace?
2017-03-02 : The European banking sector - growing together and growing apart
2016-09-13 : Monetary policy in uncertain times - the ECB and the crisis
2016-03-01 : Navigating uncertainty - governance, risk management and leveraged finance