On the internet we get information from many different sources such as news sites, twitter,facebook , and Wikipedia.
This information is often conflicting so we need to decide which sources to believe.
Some information sources are more trusted than others.
How do we decide what to believe,and who to trust? How can we design an algorithm to do it automatically? This is the area of fact-finding algorithm. In this talk I give a brief overview of the current state-of-the-art this topic mention some exciting ideas for future work.