Connecting to BigQuery
Connecting to BigQuery required a Service Account with permissions BigQuery User, BigQuery Data Viewer and BigQuery Metadata Viewer and a valid JSON key.
To create the user proceed to Google's Cloud Console and into IAM -> Service Accounts
 
 
Create a new Service Account
 
 
Choose a name and id for the service account
 
 
Add the necessary permissions and finish creating the account
 
 
After creating the account, select it and go to Keys in order to create a new key for the Service Account
 
 
Choose JSON as the format for the key
 
 
Finally, create a new Knowledge Graph in Veezoo and add all the necessary information.

If the wanted datasets are not shown, check the location of the datasets in the BigQuery console and add it to the "Location" field.