Assertion: mining | /r/HasProperty | demonstrated in theory
Facets:
value: on a 55-year-old computer
type: LOCATION
value: for reference
type: PURPOSE
value: by ibm
type: OTHER
value: some time ago
type: TEMPORAL
Source sentences:
text: For reference, mining was demonstrated in theory on a 55-year-old computer some time ago by IBM—and the result was of course, that it’s not worth it.