Zhexuan Song Yannis Labrou Ryusuke Masuoka Dynamic Service Discovery and Management in Task Computing. 310-318 2004 conf/mobiquitous/2004 MobiQuitous http://csdl.computer.org/comp/proceedings/mobiquitous/2004/2208/00/22080310abs.htm db/conf/mobiquitous/mobiquitous2004.html#SongLM04