Before the China censorship:
"Does Google censor search results?
Google does not censor results for any search term. The order and content of our results are completely automated; we do not manipulate our search results by hand. We believe strongly in allowing the democracy of the web to determine the inclusion and ranking of sites in our search results. To learn more about Google's search technology, please visit http://www.google.com/technology/index.html."
After the China censorship:
You can still find the original page in Google Cache.
The address in Google Help Center is: http://www.google.com/support/bin/answer.py?answer=17795&topic=368.
SIGGRAPH's technical papers 2013 preview
14 minutes ago