Java-Middleware zur Anbindung dedizierter mobiler Endgeräte an multimediale Informationssysteme
Language: German
Published by Diplom.De, 1998
- Softcover
- New
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
AbeBooks seller since August 14, 2006
Condition: New
£ 32.76
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Add to basketItem description from seller
nach der Bestellung gedruckt Neuware - Printed after ordering - Diplomarbeit aus dem Jahr 1998 im Fachbereich Informatik - Angewandte Informatik, Note: 1,0, Karlsruher Institut für Technologie (KIT) (Unbekannt), Sprache: Deutsch, Abstract: Inhaltsangabe:Einleitung:Sowohl die Mobilkommunikation per Funktelefon als auch Informationssysteme wie das Internet erleben in den letzten Jahren ein enormes Wachstum. Eine befriedigende Lösung, multimediale Informationssysteme auch mobil nutzbar zu machen, existiert aber bisher noch nicht. Dies liegt unter anderem daran, daß teils sehr komplexen Diensten, Dokumenttypen und Protokollen dedizierte Endgeräte gegenüberstehen. Faktoren wie mangelnde Display- oder Speichergröße, schwache Prozessorleistung sowie die in der Regel geringe Bandbreite der Funkverbindung erzwingen eine Adaption bestehender Informationssysteme auf die individuellen Fähigkeiten der unterschiedlichen mobilen Endgeräte.Aufbauend auf der Untersuchung der Randbedingungen wie bestehende Dienste und Endgeräte und der Betrachtung verschiedener Ansätze zur Adaption wird der Systementwurf für einen Adaptierer spezifiziert. Da eine Adaption weder alleine auf Endgeräte- noch auf Serverseite adäquat verwirklicht werden kann, wird dazu eine Middleware entworfen und implementiert. Die Adaptionseinheit sowie die Schnittstellen zu den unterschiedlichen Diensten und Endgeräten werden modular und objektorientiert gehalten, um eine maximale Erweiterbarkeit und Flexibilität zu gewährleisten. Weitere Endgeräte, Dienste oder komplette Adaptionsstrategien sollen einfach einzubetten sein. Die eigentliche Adaption wird durch eine Kombination von Transformations-, Reduktions-, Substitutions- und Selektionsmodulen verwirklicht. Durch exemplarische Evaluationen der Extrempositionen des Anwendungsraums des Adaptierers wird darauf dessen Adaptionsfähigkeit im Gesamtanwendungsraum untersucht. Abstract:Despite the tremendous growth in mobile computing systems and information systems like the Internet in the recent years there is still a lack of solutions for enabling multimedia systems via mobile communication systems. One reason for this is the fact that the dedicent mobile terminal equipment doesn't match the needs of the highly complex services, data types an protocols that are usual in current non-mobile systems. Insufficient display size, insufficient memory, low processor clock speed and a small bandwidth for data exchange enforce an adaption of the mobile information systmes to the individual abilities of the different mobile terminal equipment. Based upon the analysis of the marginal conditions e.g. existing services and terminal equipment and considering other comparable work, a solution for an adaption system for mobile terminal equipment is provided. Due to the fact that an adaption can not adequately be implemented neither solely on terminal equipment nor on server side, a middleware is developped and implemented. The adaption unit and the interfaces for the numerous services and terminal equipment is kept in a modular and objectoriented way in order to achieve the maximum extendability and flexibility. Further terminal equipment, services or complete adaption strategies should be easy to embed. The actual adaption is achieved by a combination of transformational, reductional, substitutional and selectional modules. The functionality of this adaption process is shown by an exemplary evaluation of the occuring extremes for such applications. Inhaltsverzeichnis:Inhaltsverzeichnis:1.Einführung & AufgabenstellungI1.1Einleitung11.2Motivation11.3Aufgabenstellung21.4Gliederung der Arbeit22.Grundlagen32.1Randbedingungen32.1.1Bestehende Formate & Dienste32.1.2Mobile Endgeräte82.1.3Funknetze122.2Begriffsklärung132.2.1Mobilkommunikation132.2.2Middleware132.2.3Metadaten142.2.4Adaptionsmodell für Dokumente16.…
Seller Inventory # 9783838610283
- Title
- Java-Middleware zur Anbindung dedizierter mobiler Endgeräte an multimediale Informationssysteme
- Author
- Matthias Wagenmann
- Publisher
- Diplom.De
- Publication year
- 1998
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- German
- ISBN 10
- 3838610288
- ISBN 13
- 9783838610283
- Item weight
- 236 grams
- Dimensions
- 210x148x12 mm
"Synopsis" may belong to another edition of this title.
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