Jian-Jia Chen Jun Wu Chi-Sheng Shih Tei-Wei Kuo Approximation Algorithms for Scheduling Multiple Feasible Interval Jobs. 11-16 2005 conf/rtcsa/2005 RTCSA http://doi.ieeecomputersociety.org/10.1109/RTCSA.2005.28 db/conf/rtcsa/rtcsa2005.html#ChenWSK05