Efficient Sampling for Gaussian Process Inference using Control Variables.

Michalis Titsias Neil D. Lawrence Magnus Rattray Efficient Sampling for Gaussian Process Inference using Control Variables. 1681-1688 2008 NIPS http://books.nips.cc/papers/files/nips21/NIPS2008_0694.pdf conf/nips/2008 db/conf/nips/nips2008.html#TitsiasLR08