Here you can find the research outcomes for Expression Editor (user stories, use cases, pain points etc. ) The questionnaire was made and some interviews were conducted as well in late 2019.
There are some good practices that could be inspiring.
Have a look at an upgraded ExEd prototype that contains a direct input line. It’s not implemented in MIQ. There was no user testing. For more information contact Robin Knaur.
There are still missing features that would enable a query to be applied, saved, load, editted…
There should be also a static Helper text with specific examples and ways how to build a query.