We study a wide range of online covering and packing optimization problems. In an online covering problem a linear cost function is known in advance, but the linear constraints th...
When information services are organized to provide some composed functionality, their interactions can be formally represented as workflows. Traditionally, workflows are executed...
Abstract. Transformations of signed documents raise questions of technical and organisational nature which render the legal security of the transformed document doubtful. In partic...
In the current Web, e-document has been the most common vehicle for delivering and exchanging information. As the amount of e-documents has grown enormously, effective classificati...
DarGridⅡ is an implemented database gird system whose goal is to provide a semantic solution for integrating database resources on the web. Although many algorithms have been pro...
Xiaoqing Zheng, Huajun Chen, Zhaohui Wu, Yuxin Mao