Dominik Ślęzak, Tai-hoon Kim, Jianhua Ma, Wai-Chi Fang, Frode Eika Sandnes, Byeong-Ho Kang, Bongen Gu U- and E-Service, Science and Technology - Germany Springer 2009 ISBN: 978-3-642-10580-7 Subjects--Topical Terms: Computer ScienceU- and E-Service, Science and Technology