Xuepeng Yin Papers on DiSC'04 Evaluating XML-extended OLAP queries based on a physical algebra Publications Note: Links lead to the DBLP on the Web. Xuepeng Yin Xuepeng Yin, Torben Bach Pedersen : Evaluating XML-extended OLAP queries based on a physical algebra. DOLAP 2004 : 73-82 1 [ 1 ] ©2005 Association for Computing Machinery