Nasty Dose Of Reality 3
		If it’s not recall and precision, what’s the biggest concern? Throughput. Google handles 100 million queries /day, most in < 0.5 sec. (2,000 queries / sec. peak). Because the Web is so big, any scheme involving complicated queries and/or document analysis is just not feasible. Trying to work within the existing search engine framework is probably a bad idea.