774 resultados para Collaborative multimedia


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This paper is an extension of our previous study on pragmatic interoperability assessment for process alignment. In this study, we conduct four case studies in industrial companies and hospitals in order to gather their viewpoints regarding the concerns when condensing process alignment in a collaborative working environment. Used techniques include interview, observation, and documentation. The collected results firstly are summarised into three layers based on our previous developed pragmatic assessment model, and then are transformed into the elements which constitutes the purposed method, and finally based on the summarised results we purpose a method for assessing pragmatic interoperability for process alignment in collaborative working environment. The method contains two parts: one gives all the elements of pragmatic interoperability that should be concerned when considering process alignment in collaborative working environment, and the other one is a supplementary method for dealing with technical concerns.

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Currently researchers in the field of personalized recommendations bear little consideration on users' interest differences in resource attributes although resource attribute is usually one of the most important factors in determining user preferences. To solve this problem, the paper builds an evaluation model of user interest based on resource multi-attributes, proposes a modified Pearson-Compatibility multi-attribute group decision-making algorithm, and introduces an algorithm to solve the recommendation problem of k-neighbor similar users. Considering the characteristics of collaborative filtering recommendation, the paper addresses the issues on the preference differences of similar users, incomplete values, and advanced converge of the algorithm. Thus the paper realizes multi-attribute collaborative filtering. Finally, the effectiveness of the algorithm is proved by an experiment of collaborative recommendation among multi-users based on virtual environment. The experimental results show that the algorithm has a high accuracy on predicting target users' attribute preferences and has a strong anti-interference ability on deviation and incomplete values.

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With the increase in e-commerce and the digitisation of design data and information,the construction sector has become reliant upon IT infrastructure and systems. The design and production process is more complex, more interconnected, and reliant upon greater information mobility, with seamless exchange of data and information in real time. Construction small and medium-sized enterprises (CSMEs), in particular,the speciality contractors, can effectively utilise cost-effective collaboration-enabling technologies, such as cloud computing, to help in the effective transfer of information and data to improve productivity. The system dynamics (SD) approach offers a perspective and tools to enable a better understanding of the dynamics of complex systems. This research focuses upon system dynamics methodology as a modelling and analysis tool in order to understand and identify the key drivers in the absorption of cloud computing for CSMEs. The aim of this paper is to determine how the use of system dynamics (SD) can improve the management of information flow through collaborative technologies leading to improved productivity. The data supporting the use of system dynamics was obtained through a pilot study consisting of questionnaires and interviews from five CSMEs in the UK house-building sector.

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This article investigates student behaviour on collaborative assignments, looking at the relationship between task type and interaction, and considers the implications for task design. Students reported on interactions in a year-long workplace-focussed group communication project, comparing these with interactions on other academy based group assignments. Differences were seen in the amount of brainstorming, the criteria for dividing up work, the intensity of editing, and how conflict was managed. Contributing factors to these differences included the presence or absence of a creative element, the instrumental nature of the task, and the need for a collective approach inherent in the task design.

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The authors examine partnerships as a policy strategy for climate change governance in cities in the Global South. Partnerships offer the opportunity to link the actions of diverse actors operating at different scales and, thus, they may be flexible enough to deal with uncertain futures and changing development demands. However, simultaneously, partnerships may lack effectiveness in delivering action at the local level, and may constitute a strategy for some actors to legitimate their objectives in spite of the interests of other partners. Engaging with the specific example of urban governance in Maputo, Mozambique, the authors present an analysis of potential partnerships in this context, in relation to the actors that are willing and able to intervene to deliver climate change action. What, they ask, are the challenges to achieving common objectives in partnerships from the perspective of local residents in informal settlements? The analysis describes a changing context of climate change governance in the city, in which the prospects of access to international finance for climate change adaptation are moving institutional actors towards engaging with participatory processes at the local level. However, the analysis suggests a question about the extent to which local communities are actually perceived as actors with legitimate interests who can intervene in partnerships, and whether their interests are recognised.

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Document engineering is the computer science discipline that investigates systems for documents in any form and in all media. As with the relationship between software engineering and software, document engineering is concerned with principles, tools and processes that improve our ability to create, manage, and maintain documents (http://www.documentengineering.org). The ACM Symposium on Document Engineering is an annual meeting of researchers active in document engineering: it is sponsored by ACM by means of the ACM SIGWEB Special Interest Group. In this editorial, we first point to work carried out in the context of document engineering, which are directly related to multimedia tools and applications. We conclude with a summary of the papers presented in this special issue.

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Multimedia är ett hett omdebatterat ämne både i och utanför skolan. Vad är det bra för och hur kan man använda det i undervisningen? Den frågan kan man finna svaret på i detta arbete genom att läsa detta arbete.Vi ger bakgrundsmaterial i form av en kvantitativ attitydundersökning kring lärare och IT.Syftet med detta arbete är att bidra till skolutveckling genom att lyfta fram didaktiska metoder inom multimedial instruktionsmetodik. Vidare kommer vi att försöka få ett svar på hur de förhåller sig till att använda sig av multimediala hjälpmedel i sin undervisning.Undersökningens metod har varit kvalitativa intervjuer med 11 informanter. Dessa kommer både från högskola och gymnasieskola. Informanterna kommer från olika pedagogiska yrken så som högskoleadjunkt, yrkeslärare, lektor och kärnämneslärare.I våra teoretiska utgångspunkter klargörs diskursen för detta examensarbete. Under inlärning beskrivs olika utvecklingspsykologiska teorier. Där beskrivs bland annat multimedia principen och lärstilar .Ur resultatet framkommer att användning av multimedia ser olika ut och att instruktionsanvändandet stämmer överens med våra teoretiska utgångspunkter.Vidare diskuteras mer generella aspekter av multimedial inlärning samt hur undervisning kan organiseras och genomföras med olika presentationshjälpmedel. Genom att använda multimedia i undervisningen får man variation, som gynnar helhetsbilden kring olika lärstilar.Multimedial instruktionsmetodik handlar om hur och varför man kan och bör använda multimediala hjälpmedel för att förbättra undervisningen. Vi belyser teorier som understödjer ett multimedialt användande inom undervisning. Vår fallstudie undersöker lärares användning och ger lärande exempel på multimedial instruktionsmetodik. Under diskussionen framkommer fler intressanta lärande exempel. Här finns också hänvisningar till tänkbara multimediala inspirationskällor. En sammanställning för fortsatt forskning inom området finns att tillgå i form av en bilaga.Slutligen ges förslag till framtida forskning inom området för detta examensarbete.