Computer says no: why making AIs fair, accountable and transparent is crucial

As powerful AIs proliferate in society, the ability to trace their decisions, challenge them and remove ingrained biases has become a key area of research

In October, American teachers prevailed in a lawsuit with their school district over a computer program that assessed their performance.

The system rated teachers in Houston by comparing their students' test scores against state averages. Those with high ratings won praise and even bonuses. Those who fared poorly faced the sack.