Multimedia Service Composition Research Articles

Nature-inspired multimedia service composition in a media cloud-based healthcare environment

This paper presents a nature-inspired service composition framework for mobile cloud media services, which attempts to solve the mismatch between resource-hungry rich media content and power-limited smart phones used by healthcare professionals. Our objective was to design and develop on-demand and optimal media service composition schemes (combining various individual services such as media streaming services, transcoding services, and payment services). The technique considers the users' quality of service (QoS) requirements and is self-optimizing, self-healing, self-configuring, and self-protecting on a mobile media cloud platform. Media cloud services provide similar functionality but different QoS and can dynamically join or leave the cloud. We propose an approach for choosing an optimal service composition path is to formulate an optimization problem that considers the QoS criteria, and then solve the problem using a nature-inspired technique such as the bee-based algorithm. We evaluated the suitability of this framework through simulations and a test-bed.

Distributed multimedia service composition with statistical QoS assurances

Service composition allows multimedia services to be automatically composed from atomic service components based on dynamic service requirements. Previous work falls short for distributed multimedia service composition in terms of scalability, flexibility and quality-of-service (QoS) management. In this paper, we present a fully decentralized service composition framework, called SpiderNet, to address the challenges. SpiderNet provides statistical multiconstrained QoS assurances and load balancing for service composition. Moreover, SpiderNet supports directed acyclic graph composition topologies and exchangeable composition orders. We have implemented a prototype of SpiderNet and conducted experiments on both wide-area networks and a simulation testbed. Our experimental results show the feasibility and efficiency of the SpiderNet service composition framework.

Hourglass multimedia content and service composition framework for smart room environments

Pervasive environments with their ubiquitous multimedia devices such as video-enabled cell-phones, laptops, PC tablets, digital cameras, HDTV plasma displays are becoming integral part of our workplaces and homes. Furthermore, these digital multimedia devices make it easier and easier to create and view volumes of content that can be stored throughout the Internet. The big challenge is to organize the distributed content, get the distributed multimedia content composed, produced and distributed to users in customized fashion according to users’ preference, and their resource availabilities in pervasive environments. Basically, the challenge is to create Internet Interactive Television where the user/interest group, residing in a pervasive environment, corresponds to the TV program director who decides and/or influences what content(s) will be viewed, how it will be composed, presented and delivered. In this paper, we present a vision how this challenge can be solved. We propose a novel hourglass-based system that delivers composite multimedia content to users in pervasive environments, which considers both users’ interest in the content and the presentation capabilities of various display devices. This hourglass-based system relies on our content and service composition framework that allows for customized production, distribution and presentation of multimedia content for pervasive environments. We present the hourglass design, possible solutions for some content composition scenarios and validate the solutions via selected experiments.

Hourglass multimedia content and service composition framework for smart room environments

Pervasive environments with their ubiquitous multimedia devices such as video-enabled cell-phones, laptops, PC tablets, digital cameras, HDTV plasma displays are becoming integral part of our workp...

A multimedia service composition scheme for ubiquitous networks

It is a challenging task to develop a high quality and secure multimedia service for mobile terminals used in the ubiquitous computing environment. One of the issues is the resource limitation of mobile terminals. In this paper, we presented a multimedia service composition scheme for sharing computer and communication resources by using plural terminals to compensate for this resource limitation. The proposed scheme is based on user authentication, service access control, and the multi-agent-based adaptive Quality-of-Service (QoS) control framework that we developed. We also proposed a novel access mode control based on the trustworthiness of users and extension of the multi-agent-based adaptive QoS control framework to plural users. Focusing on the home network as a typical ubiquitous network, we implemented a prototype testbed system and showed experimental results for the multimedia service composition.