* {{cite journal|title=Improving Classification When a Class Hierarchy is Available Using a Hierarchy-Based Prior|last=Shahbaba|first=Babak|last2=Neal|first2=Radford M.|journal=Bayesian Analysis|volume=2|issue=1|pages=221–228|year=2007|issn=1936-0975|publisher=International Society for Bayesian Analysis|location=Carnegie Mellon University, Pittsburgh, Pennsylvania|url=http://ba.stat.cmu.edu/journal/2007/vol02/issue01/shahbaba.pdf|bibcode=2005math.....10449S|arxiv=math/0510449|doi=10.1214/07-ba209|url-status=dead|archiveurl=https://web.archive.org/web/20150903231224/http://ba.stat.cmu.edu/journal/2007/vol02/issue01/shahbaba.pdf|archivedate=2015-09-03}} | * {{cite journal|title=Improving Classification When a Class Hierarchy is Available Using a Hierarchy-Based Prior|last=Shahbaba|first=Babak|last2=Neal|first2=Radford M.|journal=Bayesian Analysis|volume=2|issue=1|pages=221–228|year=2007|issn=1936-0975|publisher=International Society for Bayesian Analysis|location=Carnegie Mellon University, Pittsburgh, Pennsylvania|url=http://ba.stat.cmu.edu/journal/2007/vol02/issue01/shahbaba.pdf|bibcode=2005math.....10449S|arxiv=math/0510449|doi=10.1214/07-ba209|url-status=dead|archiveurl=https://web.archive.org/web/20150903231224/http://ba.stat.cmu.edu/journal/2007/vol02/issue01/shahbaba.pdf|archivedate=2015-09-03}} |