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CAPTCHAs are popularly used techniques to distinguish humans and automated applications. Such techniques are often useful in banking transactions, email creation, online surveys, data downloads etc. Starting from a very primitive stage of providing the users with a simple alphabetical string to asking using to do complex calculations, CAPTCHAs have come a long way in terms of sophistication of human-bot...
This paper proposes integration of secure agents with a secure communication infrastructure in order to provide rapid information gathering platform from various information sources and actors participating in a crisis situation. The role of agents is primarily a coordinated collection of information. The secure communication infrastructure (SCI) provides communication services for voice and data...
The paper analyzes the attributes and properties of the emerging hybrid network. The changes that the hybrid network has brought to information dissemination and the development of the social collective behaviors, as well as the challenges it has imposed on the management of the social clusters are discussed. Reviewing the previous researches based on network technologies, a new paradigm for hybrid...
This paper classifies the user's purchase pattern into four types of behavior, and proposes an agent-based personalized multimedia Jukebox that provides a personalized service on the client side. The proposed Jukebox assists the efficient management of numerous multimedia contents stored in a personal desktop computer, and provides personalized multimedia contents to the mobile device based on a push...
The boundaries between different kinds of media spaces are complex and challenging. The convergence of computing, media, and telecommunications produces environments that contain elements of their origins, but also contain new components that allow interaction in new ways by new users with new kinds of information. This poses problems for effective human computer interaction and human media interaction...
Nowadays mobile communication permeates daily life everywhere. So as the troubles made by spam SMS (Short Message Service), telephone frauds are also obsessing the users. In this paper a new method is proposed for avoiding telephone frauds using CAPTCHA (completely automatic public turing test to tell computer and human apart) systems. In this method, an authorize code is structured and decomposed...
After accurate and fuzzy information, contradictory information, another important information, must be solved to enhance the intelligence of computer. Some characteristics of contradictory information are studied in this article, which are closely related to the definition and solution of contradictory problems. The basic research is the foundation of intelligent disposal of contradictory problems.
Negotiation and coordination of activities involving a number of people can be a difficult and time-consuming process, even when all participants are collocated. We propose the use of spatial proximity regions around mobile devices on a table to significantly reduce the effort of proposing and exploring content within a group of collocated people. In order to determine the location of devices on ordinary...
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