About: http://webisa.webdatacommons.org/130142323

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	August 2012 OpenCV, XCode, TutorialsI think developers and research guys who works with object recognition, image registration and other areas that uses keypoint extraction can find this post useful.
http://www.w3.org/ns/prov#wasQuotedFrom	computer-vision-talks.com