Validate? What? How? The author sounds like: "I don't know a lot about computers, but these smart guys improved something something that used to take one day i

Validate? What? How? The author sounds like: "I don't know a lot about computers, but these smart guys improved something something that used to take one day into 20 minutes, smart, fast, cool" This article is useless. Instead, link to the paper itself: http://portal.acm.org/citation.cfm?id=1645421&coll=GUIDE&dl=GUIDE&CFID=77531079&CFTOKEN=42017699&ret=1#Fulltext http://portal.acm.org/citation.cfm?id=1645421&coll=GUIDE...