controlling the internet has for a long time been the privilege of academics in the usa. however, with the evolution of the internet as the world communication medium of the 21 st century and the world-wide-web providing the infrastructure for business and public services in the digital era, the stakes have risen dramatically. the value of the internet is nowadays considered extremely important...

The advances in science and technology bring the public digital arts from traditional carriers towards new media types. The use, the language and the implications of the material itself are different from it being applied as a carrier for public digital arts. These new media types of public digital arts are in need of new carriers and new form languages for its progress and prosperity in the ag...

Digital signage is a Digital Information Display (DID) which expresses traditional advertisements of outdoor billboards by digital. In early digital signage was limited to provide contents consists texts, images and videos, but now it is combined with the network so contents can be installed, operated and replaced from a distance. These days digital signage is coming into wide use as a public d...

We first give an analysis on Zhang et al.’s attack on a short signature scheme so called ZCSM scheme and point out their forgery attack is not correct one. Furthermore, we present a forgery attack under the chosen message and public key attacks on ZCSM scheme, in the sense of Zhang et al.’s attack. We also analyze Zhang et al.’s improved signature scheme suggested to resist their attacks and po...

Digital libraries are large, organized collections of information objects. Well-designed digital library software has the potential to enable nonspecialist people to conceive, assemble, build, and disseminate new information collections. This has great social import because, by democratizing information dissemination, it provides a counterbalance to disturbing commercialization initiatives in t...

INTRODUCTION ..................................................................................... 82 I. EMERGENT DIGITAL PUBLIC SERVICE MEDIA PRACTICES: MAKING BROADBAND SERVE PUBLIC PURPOSES .................................................................................... 89 A. Functions: How Public Service Media Can “Address National Concerns and Solve Local Problems” .......................

The maximum power point tracking (MPPT) control in the Photovoltaic system is the key control technology, however present controller has the disadvantages of long development cycle, high cost and complex verification, and there are some disadvantages carrying out totally physical simulation or totally digital simulation of different control algorithms. This paper carried out design of hardware ...

Introduction North Carolina hosted the 2012 Democratic National Convention, September 3-6, 2012. The NC Epidemiology and Surveillance Team was created to facilitate enhanced surveillance for injuries and illnesses, early detection of outbreaks during the DNC, assist local public health with epidemiologic investigations and response, and produce daily surveillance reports for internal and extern...