Reliance on 3rd-Party Data Creates Uncertainty for 'Altmetrics' Providers

Alternative metrics have great potential to help track the real-world influence of research, but they're only as good as the data sources they draw on. And those data sources are a motley crew of open and closed, public and private. Services that want to offer a wide array of metrics operate in a hybrid environment of commercial and nonprofit enterprises where the balance between open and closed can shift at any time.

Look at the anxiety created when