Data sources and permissions

The GQII is based on publicly available data. The research team collects and selects the data.

Sources

The GQII uses data from the following sources:

Due to the heterogeneity of the database, a significant task is to clean up the data and make the data comparable.

Permissions

This work is licensed under Creative Commons  Attribution-ShareAlike 4.0 International License

To view a copy of the license, visit https://creativecommons.org/licenses/by-sa/4.0/.

You are free to:

Share — copy and redistribute the material in any medium or format for any purpose, even commercially.

Adapt — remix, transform, and build upon the material for any purpose, even commercially.

The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

Attribution — You must give appropriate credit , provide a link to the license, and indicate if changes were made . You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.

No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

Contact us

 Did you find the GQII and its database helpful? Let us know!

Please contact us if you have further questions at:

gqii@mesopartner.com