Chunjiang Li Nong Xiao Xuejun Yang Application Availability Measurement in Computational Grid. 151-154 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3032&spage=151 2003 conf/gcc/2003-1 GCC (1) db/conf/gcc/gcc2003-1.html#LiXY03a