About: http://webisa.webdatacommons.org/269354048

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the preferred embodiment shown in FIG. 3A, a user manually selects points P1-P7 around the displayed object of interest (i.e., the left ventricle 312) using a user interface such as a trackball or mouse.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com