More on ontolgies and/or PageRank (tm)

http://www.theregister.co.uk/content/6/33141.html

"Google buys search engine - PageRank� RIP?"

[Typical overstated Reg headline, and it features 
Andrew Orlowski's obligatory blogger-taunting, but the
article is closely related to recent discussions here.
]

'Google isn't too proud to acquire external search
technologies, and earlier this year bought Applied
Semantics for its CIRCA ontology, which "understands,
organizes, and extracts knowledge from websites and
information repositories in a way that mimics human
thought". '