A web-based information system for management of scientific electronic journals is presented in the paper. Journal management requires exchange of information between many participants in the publishing process, including authors, reviewers, editors, and lectors. Each participant in the process plays a different role, and cooperates with other participants. The web system is implemented using o...

In the future, electronic exchanges will be a major facilitator of negotiation systems and a driver for new forms of bargaining and matchmaking between potential trading partners. Most existing bargaining systems are based on formalized auction schemes which need a centralized authority (an auctioneer). With the development of decentralized networks, we need new forms of electronic bargaining w...

In this paper, we propose a novel electronic bearer check system (EBC). This system allows the consumer to pay any amount of money below an upper-boundary on the Internet within an expiration period. During each transaction, the consumer does not need to contact the bank’s server. Furthermore, this electronic bearer check can be transferred to any third party. The off-line characteristic of our...

In today’s world, efficiency and transparency is what needed to increase the performance and liminate thepresence of fraudulent in a system. Recording and monitoring students’ attendance become very important part for any institutions. This paper is presented about an Electronic Attendance System (EAS) using Near Field Communication (NFC). System allows teachers and parents to monitor student a...