The concept of hierarchical access control is that a higher privileged user (or higher level) has the ability to access data in lower privileged user (or lower level). Hierarchica...
An RFID tag is a small and cheap device which is combined in IC chip and an antenna for radio communications. The tag is used for management of goods and its distribution. Moreove...
More and more sensor networks will be deployed in the place where people are living, studying, and working. These sensor networks bring us the convenience of accessing information...
Automotive software systems are becoming increasingly complex, driven both by advances in technology and by demands for more powerful applications. The design of such complex syst...
Several kinds of call-ordering problems have been identified, all of which present subtle difficulties in ensuring the correctness of a sequential program. They include object pro...