Assertion: pda | /r/CapableOf | know about the user
Facets:
value: by interpreting the images
type: MANNER
value: by observing keystrokes
type: MANNER
Source sentences:
text: It knows about the user by observing keystrokes and mouse action as well as by interpreting the images on the camera; it verifies that the user is still the owner because that is important to building user-specific models.