Querying the Internet with PIER.

http://www.vldb.org/conf/2003/papers/S11P01.pdf Ryan Huebsch Joseph M. Hellerstein Nick Lanham Boon Thau Loo Scott Shenker Ion Stoica Querying the Internet with PIER. 2003 VLDB 321-332 db/conf/vldb/vldb2003.html#HuebschHLLSS03