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To support the emerging trends in mobile interaction, design patterns for distributed software system need adaptations and extensions. In this paper, we describe an implementation framework for providing interactive applications with distributed message-based Model-View-Controller (MVC) architecture using event programming design. The provided solution uses the XMPP protocol for exchanging message...
In order to seamlessly interact with everyday objects embedded with wireless sensors, we need diverse messaging abstractions that support convenient application-level interactions with sensor nodes. We have developed TinySIP with the goal of providing a unifying messaging protocol that not only supports distributed interactions among sensor nodes but also enables users on a traditional network to...
This work proposes a novel utilization of instant messaging (IM) services as an ubiquitous network layer for protocol encapsulation and transmission. As more than 70% of organizations and almost all home users do not block IM traffic, this work evidences a latent vulnerability of the technology that can be exploited. A working prototype was implemented using open source software. The prototype combines...
This paper proposes a personal software architecture to provide a user with a pervasive communication capability. The core of this architecture is a personal communication server (PCS) which bridges between different instant messaging networks and extends them with a unified access to the user. A SIP-based implementation of such a communication server is presented, which solves various interoperability...
One of the most fundamental facets of learning is the social interaction in which learning is an outcome of individuals sharing experiences. There are three locations where learners perform learning tasks: formal locations such as classrooms or scheduled computer laboratory sessions; semi-formal locations such libraries or walk-in laboratories; and informal locations such as residences or non-academic...
SIP plays an important role in VoIP service infrastructure. Presence service is emerged to meet the needs of integrated service and presence service is a core function within integrated service. IETF SIMPLE WG generates standard SIP extensions for presence service. In this paper, we described the service scenarios of presence services based on SIMPLE. We also described the construction of presence...
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