The challenge stemmed from the fact that cookies are domain-specific, so there was no simple way to seamlessly transfer a user from one website to another.

The challenge stems from the fact that these theories posit the existence of a finite verb phrase constituent.

The second challenge stems from puzzling aspects of self-knowledge, as the knowledge we have of ourselves seems very unlike the knowledge we have of other objects in several ways .

The other major challenge for the industry stems from the 1992 deadline for transforming Western Europe into a single market.

That challenge stems mainly from the growing tension within car groups.

Transit officials said the challenges faced by their cleaning crews may stem from a greater good, that the system is attracting more riders.

The biggest challenge that KDD faces now may stem from a mistake that it made several years ago: it decided not to land FLAG.

While they are sceptical, an additional challenge stems from the way in which large numbers of citizens in Europe are profoundly dissatisfied with how politicians are managing this issue.

These challenges largely stem from commissioners' ability to manage different risks and responsibilities, especially in relation to their understanding of desired outcomes and their measurement.

These challenges stem from deregulation, which is spreading to Europe's airline industry.