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Design och implementation av en Jabberklient i webbläsaren OperaLöfström, David January 2009 (has links)
<p>Opera är främst en webbläsare, men innehåller även klienter för bl.a. mail och chat. Innan den här rapporten skrevs saknades dock en klient för instant messaging-protokollet Jabber. Denna rapport beskriver arbetsgången och resultatet av utvecklandet av en Jabberklient till Opera.</p><p>Eftersom det inte fanns nog med tid att utveckla en fullfjädrad Jabberklient beslutades det att målet skulle vara ett s.k. ”proof of concept”. Kraven sattes till grundläggande instant messagingfunktionalitet, som närvarostatushantering och möjlighet att skicka och ta emot meddelanden.</p><p>Målet uppfylldes och resultatet blev en Jabberklient med grundläggande funktionalitet. I enlighet med direktiven lades relativt lite fokus på gränssnittet. Klienten har kända brister och användarvänligheten går att öka.</p><p>Resultatet skulle kunna utgöra grunden för en komplett Jabberklient. Kvar att göra är att förbättra gränssnittet för att matcha resten av Opera i användbarhet. Alla krav i Jabberspecifikationen bör också uppfyllas, speciellt eftersom företaget är stolt över att Opera följer standarder väl1. För att inte vara sämre rustad än andra Jabberklienter bör även extra funktionalitet läggas till, såsom samtalshistorik, filöverföring och möjligheten att använda andra instant messaging-protokoll via Jabberkontot.</p> / <p>Opera is first and foremost a web browser, but it also has e-mail and chat clients. Before this thesis was written however, it did not have a client for the instant messaging protocol Jabber. This thesis describes the workflow and the results of the development of a Jabber client for Opera.</p><p>Since there wasn’t enough time to develop a full-featured Jabber client, it was decided that the goal would be a proof of concept. The requirements were basic instant messaging functionality, which means the proper handling of presence information and the ability to send and receive instant messages.</p><p>The goal was achieved and the result was a Jabber client with basic functionality. In accordance with the directives, the user interface was not a primary focus. The client has known flaws and the usability is not as good as it could be.</p><p>The result could be used as the foundation of a releasable Jabber client. One of the things left to do is to improve the user interface so it matches the usability of the rest of Opera. All the requirements of the Jabber specification should also be fulfilled, especially since the company takes pride in the standards compliance of Opera2. In order to match the features of other Jabber clients, extra functionality should be added as well. Some examples would be message history, file transfer and the ability to use other instant messaging protocols through the Jabber account.</p>
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Attityd till användandet av Instant Messaging på företagBlank, Mikael, Johansson, Jenny, Olsson, Sandra January 2003 (has links)
No description available.
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Modeling and Analysis of Emergency Messaging Delay in Vehicular Ad Hoc NetworksAbboud, Khadige 28 September 2009 (has links)
Road crashes, occurring at a high annual rate for many years, demand improvements in transportation systems to provide a high level of on-road safety. Implanting smart sensors, communication capabilities, memory storage and information processing units in vehicles are important components of Intelligent Transportation Systems (ITS). ITS should enable the communication between vehicles and allow cooperative driving and early warnings of sudden breaks and accidents ahead. The prompt availability of the emergency information will provide the driver a time to react in order to avoid possible accidents ahead. Hence, information delivery delay is an importance quality-of-service (QoS) metric in such applications. In this thesis, we focus on modeling the delay for emergency messaging in vehicular ad hoc networks (VANETs). VANETs consist of nodes moving with very high speeds, resulting in frequent topological changes. As a result, many existing models and packet forwarding schemes designed for general purpose mobile ad hoc networks (MANETs) cannot be directly applied to VANETs.
In our system model, we consider mobility and traffic density of vehicles. We focus on studying the effect of the traffic flow density on the delay of emergency message dissemination. Hence, traffic flow theories developed by civil engineers form the base of our modeling.
The common way of emergency message dissemination in VANETs is broadcasting. To overcome the broadcasting storm problem and improve scalability of such large networks, we adopt a node cluster based broadcasting mechanism. This research provides a realistic mathematical model for the broadcasting delay, which accounts for the randomness in user mobility and matches the highly dynamic nature of VANETs. An investigation on the minimum cluster size that achieves acceptable message delivery latency is provided. It is shown that network control and performance parameters are dependent on the traffic density. Experimental measurement data are used to demonstrate the accuracy of the mathematical modeling.
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Attityd till användandet av Instant Messaging på företagBlank, Mikael, Johansson, Jenny, Olsson, Sandra January 2003 (has links)
No description available.
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Modeling and Analysis of Emergency Messaging Delay in Vehicular Ad Hoc NetworksAbboud, Khadige 28 September 2009 (has links)
Road crashes, occurring at a high annual rate for many years, demand improvements in transportation systems to provide a high level of on-road safety. Implanting smart sensors, communication capabilities, memory storage and information processing units in vehicles are important components of Intelligent Transportation Systems (ITS). ITS should enable the communication between vehicles and allow cooperative driving and early warnings of sudden breaks and accidents ahead. The prompt availability of the emergency information will provide the driver a time to react in order to avoid possible accidents ahead. Hence, information delivery delay is an importance quality-of-service (QoS) metric in such applications. In this thesis, we focus on modeling the delay for emergency messaging in vehicular ad hoc networks (VANETs). VANETs consist of nodes moving with very high speeds, resulting in frequent topological changes. As a result, many existing models and packet forwarding schemes designed for general purpose mobile ad hoc networks (MANETs) cannot be directly applied to VANETs.
In our system model, we consider mobility and traffic density of vehicles. We focus on studying the effect of the traffic flow density on the delay of emergency message dissemination. Hence, traffic flow theories developed by civil engineers form the base of our modeling.
The common way of emergency message dissemination in VANETs is broadcasting. To overcome the broadcasting storm problem and improve scalability of such large networks, we adopt a node cluster based broadcasting mechanism. This research provides a realistic mathematical model for the broadcasting delay, which accounts for the randomness in user mobility and matches the highly dynamic nature of VANETs. An investigation on the minimum cluster size that achieves acceptable message delivery latency is provided. It is shown that network control and performance parameters are dependent on the traffic density. Experimental measurement data are used to demonstrate the accuracy of the mathematical modeling.
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RSS – The future of internal communication?Andersson, Ola, Larsson, Niclas January 2005 (has links)
<p>RSS is a format for easy information sharing between computers. A RSS-file, also known as a feed or a channel, consist of a list of items. The items are structured with XML-tags and have to be processed in some way before it can be read. RSS¬readers, web-browsers with RSS support and e-mail-clients with RSS support can be used to display the feed.</p><p>This thesis is focused to investigate if RSS can be used within an enterprise for internal communication. We look at different computer based communication tools that are available today and compare them with RSS. All the different tools has there advantages as well as disadvantages, we have tried to find out if there is room for one more information channel within an enterprise.</p><p>Our study shows that RSS is not suitable as a stand alone solution for internal combination. RSS main strengths lies in mass information that has to be pushed out in one direction.</p>
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Use and adaptation of written language to the conditions of computer-mediated communication /Segerstad, Ylva Hård af. January 2002 (has links)
Thesis (doctoral)--Göteborg University, 2002.
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The effect of instant messaging on lecture retentionMcVaugh, Nathan Kant 10 July 2012 (has links)
The impact of instant message interruptions via computer on immediate lecture
retention for college students was examined. While watching a 24–minute video of a
classroom lecture, students received various numbers of related–to–lecture (“Is consistent
use of the eye contact method necessary for success?”) versus not–related–to lecture
(“Have you ever missed class because you couldn't find parking?”) instant messages in
addition to note taking vs. no note taking. Student self–rating for multitasking ability,
typical and maximum instant messaging activity, and classroom computer use were also
measured. Contrary to cognitive models of information processing that suggest instant
messages will disrupt student retention of lecture information, no effects were found for
number of interruptions, presence or absence of notes, or relatedness of interruption on
lecture retention. Students’ multitasking self–rating was negatively related to lecture
retention. The implications of these results for classroom practice and future research are
explored. / text
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The English language : rumors of its death are greatly exaggerated : registers in instant messaging conversationsJoffrain, Abigail Marie Swan 28 July 2015 (has links)
This article looks into accounts of the computer mediated discourse medium of instant messaging programs. Previous accounts have compared communication within this medium either to solely written or to solely spoken language, thus neglecting its relationship to both or to the constraints generated specifically by the medium. Such accounts have therefore, often come to erroneously alarming conclusions. This article lays out an argument for the treatment of computer mediated communication through instant messaging programs as the beginnings of a set of new registers. / text
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'Check the Rhyme': A Study of Brand References in Music VideosBurkhalter, Janee N. 02 September 2009 (has links)
In this study we will explore impact exposure to brands references in music videos may have on the development of consumers’ brand knowledge. We assert that an understanding of this relationship is a function of both executional elements of the message and the intervening effects of select individual-difference factors. This dissertation applies social cognitive theories, the cultivation hypothesis, attribution theory and the elaboration likelihood model to develop the set of hypotheses. This dissertation seeks to provide initial evidence regarding the key factors brand managers and music executives must be aware of when implementing music video brand placements. A conceptual model of music video brand placement is presented and evaluated utilizing qualitative and quantitative techniques. The qualitative methodology employs real music fans as informants and music videos as stimuli in developing an understanding of the relationship consumers have with music as well as their reactions to music videos. The quantitative methodology uses an original music video as the stimulus, real music fans as respondents and a real-time on-line survey to measure the relationship among the variables. Study findings support the ability of music videos to impact extra-musical consumption and provide early evidence regarding factors important to understanding consumers’ responses to music video brand placements.
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