Subject	density
Predicate	has_property
Object	physical property
Modality	Modality Occurrences TBC[important physical property] 1 TBC[intensive physical property] 2 TBC[physical property useful] 1
Polarity	POSITIVE
Plausibility	0.8392
Neighborhood Sigma	0.8407
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source density is considered to be a physical property 1 Google Autocomplete density is an important physical property 1 Google Autocomplete density is an intensive physical property 2 Google Autocomplete, Answers.com Questions density is a physical property useful for identifying an unknown substance 1 Answers.com Questions