The fund manager has been plagued by underperformance and was forced to freeze redemptions on some of its funds at the height of the financial crisis last November.

She wants to be a princess, and has turned Turk, roared the rabbis.

He [the hound] pinch'd and pull'd her down.

Concept drift is an important issue to be considered in data stream mining. In a real environment, the data distribution is constantly changing, and the model needs to be continuously updated to adapt to the new environment.