This is a binary decision – it's good, or it's bad. We have helped a few sites to get their penalty removed (not Penguin as yet, as there has not yet been an update to that algorithm). For reference, I have written about parts of the process in two...
BinarySearch Not Only Finds Malware But Also Shows Signs Of More PCWorld reports that Google's binarysearch feature came in handy to locate
thousands of malicious Web sites, as well as several legitimate sites that
have been hacked.
Overture performs one type of internally-run relevancy testing that I'd describe as "BinarySearch. The answer is either yes or no, a binary choice. There's still some sense of the "binary" in this type of testing.