You are free:
Under the following conditions:
ShareSharing. The data should be made available to everyone publicly, and used altruistically. Additionally if you alter, transform, or build upon this data, you may distribute the resulting work only under a license identical to this one, however with a different repository or uri for data sharing.
CreditCredit You have to attribute the source of the data in the manner specified by the author or licensor.

Your fair use and other rights are in no way affected by the above.

This is a human agreement, not a legal contract. In the future there will be Legal Code (the full license) to accompany this, however that agreement will not apply retroactively - it will be a new license version.
At this time the legal code has not been approved, and we therefore discourage other groups from releasing new works under this license.