VladimirAlexiev added a comment.
Use `FILTER(?dateOfDeath >= "2020-01-01"^^xsd:date)` which is as convenient,
but is also a valid literal (note the datatype).
The trouble with accepting invalid input is that further computations then
become invalid. Eg how do you explain these results:
Lucas_Werkmeister_WMDE added a comment.
This is probably a Blazegraph thing, not sure how much influence we have over
it. But I disagree that it should be fixed – `FILTER(?dateOfDeath >=
"2020-01-01"^^xsd:dateTime)` is much more convenient to write, and in my
opinion also more legible, than