the aim of this study was to determine adherence and attrition rates in a lifestyle intervention for people with metabolic syndrome.adherence and attrition data from a randomized controlled trial were collected. participants were classified as adherence group if they completed assessments at 3 and 6 months follow-up and as attrition group if they did not. physical activity and quality of life w...

computer-assisted language learning (call) is reaching an up most position in the pedagogical field of english as a second or foreign language (esl/efl). the present study was carried out to study the effect of using phonetic websites on iranian efl students’ pronunciation and knowledge of phonemic symbols. participants of the study included 30 efl female pre-intermediate students studying in k...

This paper describes an agent-based service network architecture proposed for a real world application for the infomobility sector. This sector demands that mobile users (i.e. roaming users using mobile phones, PDAs, etc) have access to accurate real-time location-based services that are inherently distributed throughout the web. Such are traffic information, geo-reference, routing, or mapping ...

There has been a need for identity across generations. It has been in the form of paper, plastic and now digital. Digital Object Identifier (DOI) is a concept that helps to identify the needs of the end-users using technology on a digital environment. DOIs can point to documents, images, sounds, video clips, parts of works, gateways, works under development, evolving works, invoice screens (e.g...

In 1998 the World-Wide Web Consortium (W3C) inaugurated a research initiative centred on the idea of providing semantics for and facilitating the extraction of knowledge from the WWW. The Semantic Web is a vision of Tim Berners-Lee, the creator of the WWW. With the help of XML, RDF, OIL and other emergent standards it will be possible to give more structure and meaning to existing web data. Thi...

This paper presents the simulation results of a satellite network based in the Digital Video Broadcast Standard for the outbound channel DVB-S and the return channel DVB-RCS for interactive satellite terminals called RCST. The network model was built under the Network Simulator NS and the main objective was to study the return channel DVB-RCS resource request mechanism and adaptation layer for ...

We propose a web-based system for organizing the creation and the interaction in multimedia web-based environments that permit the collaboration among artists, audience, curators and publishers. This system uses a threelevel approach for handling security issues in multimedia projects. Especially, it applies authorization, digital certification and watermarking mechanisms on multimedia content....

We propose a web-based system for organizing the creation and the interaction in multimedia web-based environments that permit the collaboration among artists, audience, curators and publishers. This system uses a threelevel approach for handling security issues in multimedia projects. Especially, it applies authorization, digital certification and watermarking mechanisms on multimedia content....