Quality criteria for a query

[tholzheim]

• syntax correct
• syntax endpoint independent
• executes (on at least on endpoint)
• executes quickly
• executes on all endpoints
• has current result
• executes energy efficient
• has stable results over time
• has truly tabular result
• is interesting
• is used a lot
• has a lot of value
• ....

[WolfgangFahl]

show the quality in the UI with icons