requirement → HasProperty → voluntary
Typicality: 0.492
Saliency: 0.188
Facets 1
like following an iso standard 3 other
Open triples 1
requirement → be → voluntary 12
Sentiment analysis
negative neutral positive
0.081 0.824 0.095
Other statistics
Raw frequency 12
Normalized frequency 0.188
Modifier score 1.000
Perplexity 151.082