Luke S. Zettlemoyer Brian Milch Leslie Pack Kaelbling Multi-Agent Filtering with Infinitely Nested Beliefs. 1905-1912 2008 NIPS http://books.nips.cc/papers/files/nips21/NIPS2008_0882.pdf conf/nips/2008 db/conf/nips/nips2008.html#ZettlemoyerMK08