Data portability and relation management in social web applications
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Inhaltsangabe:Introduction: Recent years have witnessed the great popularity of online social networking services, in which millions of members publicly articulate mutual friend- ship relations. Social network services have become a major application in the internet. Correspondingly the number of provider such social net- work services has ... Inhaltsangabe:Introduction: Recent years have witnessed the great popularity of online social networking services, in which millions of members publicly articulate mutual ¿friend- ship¿ relations. Social network services have become a major application in the internet. Correspondingly the number of provider such social net- work services has multiplied and accommodates estimated 272 million users worldwide (Universalmccann, 2008). The mass adoption of social networking websites points to an evolution in human social interaction. These sites let the user create an identity namely their profile, which they fill with personal information. These identities can then be searched and relationships among the users can be made. A user can make friends virtually and by that creates his own social circle, that is why it can also be regarded as a reflection of the real world. Most of the users are part in more than one social network, which creates problems in terms of identity and relation management. At the moment there seems to be no consolidation among the services, but a further fragmentation and by that also a fragmentation of information. In the real world people can be easily identified, but this is not possible in the internet as there is no physical contact. People using assumed names as an identifier which may be different on every platform. On top of this it is difficult to manage all the contacts which are spread over several services. At the moment the social network services do not o er ways to get the data out of their platforms to reuse it somewhere else. The use of separate networks may be wanted by the users regarding order and different roles they can slip into. In spite of these aspects there is an increasing demand for reusing and sharing the contact data to be able to manage the online ¿friendships¿. To overcome the disadvantages of fragmented data central storage has to be established. In combination with exchange mechanisms it would make data reusable, which means all the social networks the user is part of could be synchronised. This is especially useful when entering a new network. It is like moving into a new city and already know some people. Inevitable for such a scenario is that the information of the social networks are portable and that the user can be uniquely identified. There are e orts to achieve this goal, but up to now only partial problems have been solved. An overall concept seems not possible at the moment due to technical crudity and the difficulty to bring the different interests of users and social network services in line. Nevertheless there are existing standards that can be combined to one concept. This thesis will first analyse the needs and existing solutions in order to develop a prototype which is able to synchronise contacts in social networks. Inhaltsverzeichnis:Table of Contents: List of Figuresiii 1.Introduction1 2.Social network services3 2.1Definition3 2.2Present SNS usage4 2.3Relation and identity management in SNS5 2.4Present data portability and its problems9 2.4.1Political situation9 2.4.2Technical situation10 3.Current data portability solutions14 3.1Microformats14 3.2XRDS-simple17 3.3Oauth18 3.4RDF19 3.5OpenID plus Attribute Exchange Extension20 4.Concept for a SNS metadirectory22 4.1Goals22 4.2Concept description22 5.Development of the prototype26 5.1Analysis26 5.1.1Functional and data description26 5.1.2System architecture26 5.1.3Interface description27 5.1.4Usage scenario28 5.1.5Data model29 5.2Design30 5.2.1Data design30 5.2.2Architectural and component-level design31 5.2.3Interface description33 5.3Implementation36 5.3.1Setting up the OpenID server and the SNS36 5.3.2Attribute Exchange - Fetch Message36 5.3.3Pro cessing the FOAF data37 5.3.4Attribute Exchange Store Message38 5.4Appraisal of results40 6.Summary and Outlook42 References44 AAppendix46 A.1Source code digest46 Textprobe:Text Sample: Chapter 2.4, Present data portability and its problems: Political situation: As already broached portable data is required to have a greater benefit of using SNSs. First of all however there are political issues affecting the access to the data. Besides small non-commercial SNSs the most important ones are companies who want, PDF, 03.12.2008.

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Inhaltsangabe:Introduction: Recent years have witnessed the great popularity of online social networking services, in which millions of members publicly articulate mutual friend- ship relations. Social network services have become a major application in the internet. Correspondingly the number of provider such social net- work services has ... Inhaltsangabe:Introduction: Recent years have witnessed the great popularity of online social networking services, in which millions of members publicly articulate mutual ¿friend- ship¿ relations. Social network services have become a major application in the internet. Correspondingly the number of provider such social net- work services has multiplied and accommodates estimated 272 million users worldwide (Universalmccann, 2008). The mass adoption of social networking websites points to an evolution in human social interaction. These sites let the user create an identity namely their profile, which they fill with personal information. These identities can then be searched and relationships among the users can be made. A user can make friends virtually and by that creates his own social circle, that is why it can also be regarded as a reflection of the real world. Most of the users are part in more than one social network, which creates problems in terms of identity and relation management. At the moment there seems to be no consolidation among the services, but a further fragmentation and by that also a fragmentation of information. In the real world people can be easily identified, but this is not possible in the internet as there is no physical contact. People using assumed names as an identifier which may be different on every platform. On top of this it is difficult to manage all the contacts which are spread over several services. At the moment the social network services do not o er ways to get the data out of their platforms to reuse it somewhere else. The use of separate networks may be wanted by the users regarding order and different roles they can slip into. In spite of these aspects there is an increasing demand for reusing and sharing the contact data to be able to manage the online ¿friendships¿. To overcome the disadvantages of fragmented data central storage has to be established. In combination with exchange mechanisms it would make data reusable, which means all the social networks the user is part of could be synchronised. This is especially useful when entering a new network. It is like moving into a new city and already know some people. Inevitable for such a scenario is that the information of the social networks are portable and that the user can be uniquely identified. There are e orts to achieve this goal, but up to now only partial problems have been solved. An overall concept seems not possible at the moment due to technical crudity and the difficulty to bring the different interests of users and social network services in line. Nevertheless there are existing standards that can be combined to one concept. This thesis will first analyse the needs and existing solutions in order to develop a prototype which is able to synchronise contacts in social networks. Inhaltsverzeichnis:Table of Contents: List of Figuresiii 1.Introduction1 2.Social network services3 2.1Definition3 2.2Present SNS usage4 2.3Relation and identity management in SNS5 2.4Present data portability and its problems9 2.4.1Political situation9 2.4.2Technical situation10 3.Current data portability solutions14 3.1Microformats14 3.2XRDS-simple17 3.3Oauth18 3.4RDF19 3.5OpenID plus Attribute Exchange Extension20 4.Concept for a SNS metadirectory22 4.1Goals22 4.2Concept description22 5.Development of the prototype26 5.1Analysis26 5.1.1Functional and data description26 5.1.2System architecture26 5.1.3Interface description27 5.1.4Usage scenario28 5.1.5Data model29 5.2Design30 5.2.1Data design30 5.2.2Architectural and component-level design31 5.2.3Interface description33 5.3Implementation36 5.3.1Setting up the OpenID server and the SNS36 5.3.2Attribute Exchange - Fetch Message36 5.3.3Pro cessing the FOAF data37 5.3.4Attribute Exchange Store Message38 5.4Appraisal of results40 6.Summary and Outlook42 References44 AAppendix46 A.1Source code digest46 Textprobe:Text Sample: Chapter 2.4, Present data portability and its problems: Political situation: As already broached portable data is required to have a greater benefit of using SNSs. First of all however there are political issues affecting the access to the data. Besides small non-commercial SNSs the most important ones are companies who want, 03.12.2008, PDF.

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Inhaltsangabe:Introduction: Recent years have witnessed the great popularity of online social networking services, in which millions of members publicly articulate mutual friend- ship relations. Social network services have become a major application in the internet. Correspondingly the number of provider such social net- work services has ... Inhaltsangabe:Introduction: Recent years have witnessed the great popularity of online social networking services, in which millions of members publicly articulate mutual friend- ship relations. Social network services have become a major application in the internet. Correspondingly the number of provider such social net- work services has multiplied and accommodates estimated 272 million users worldwide (Universalmccann, 2008). The mass adoption of social networking websites points to an evolution in human social interaction. These sites let the user create an identity namely their profile, which they fill with personal information. These identities can then be searched and relationships among the users can be made. A user can make friends virtually and by that creates his own social circle, that is why it can also be regarded as a reflection of the real world. Most of the users are part in more than one social network, which creates problems in terms of identity and relation management. At the moment there seems to be no consolidation among the services, but a further fragmentation and by that also a fragmentation of information. In the real world people can be easily identified, but this is not possible in the internet as there is no physical contact. People using assumed names as an identifier which may be different on every platform. On top of this it is difficult to manage all the contacts which are spread over several services. At the moment the social network services do not o er ways to get the data out of their platforms to reuse it somewhere else. The use of separate networks may be wanted by the users regarding order and different roles they can slip into. In spite of these aspects there is an increasing demand for reusing and sharing the contact data to be able to manage the online friendships. To overcome the disadvantages of fragmented data central storage has to be established. In combination with exchange mechanisms it would make data reusable, which means all the social networks the user is part of could be synchronised. This is especially useful when entering a new network. It is like moving into a new city and already know some people. Inevitable for such a scenario is that the information of the social networks are portable and that the user can be uniquely identified. There are e orts to achieve this goal, but up to now only partial problems have been solved. An overall concept seems not possible at the moment due to [], PDF, 03.12.2008.

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Bachelor Thesis from the year 2008 in the subject Computer Science - Internet, New Technologies, grade: 1,3, University of Bremen, course: Mediainformatics, 35 entries in the bibliography, language: English, abstract: This Bachelor-Thesis deals with the synchronisation of social network services. This type of internet application enjoys great ... Bachelor Thesis from the year 2008 in the subject Computer Science - Internet, New Technologies, grade: 1,3, University of Bremen, course: Mediainformatics, 35 entries in the bibliography, language: English, abstract: This Bachelor-Thesis deals with the synchronisation of social network services. This type of internet application enjoys great popularity which results in new challenges for identity and relation management. On one side the user has to manage different identities and on the other side a friendslist per social network service. From this effort arose to make data portable and reusable for example in order to avoid re-declaring friends to every site. To accomplish this goal numerous projects and technologies have been developed, which already provide partial solutions for this problem. The basic conceptual question however how to deal with the problem generally is still open. Moreover some of the techniques are only suitable for special use cases or else not ready für a professional use. In this thesis some of the existing standards shall be used to tie them together to one total system. This system consists out of a central identity provider, which functions as a central storage for the users contact data. By utilising interfaces this contact data can be exchanged with the social network service and by that improves the relation management for the users. PDF, 27.11.2008.

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Lieferung aus: Vereinigtes Königreich Großbritannien und Nordirland, Versandkostenfrei.
Die Beschreibung dieses Angebotes ist von geringer Qualität oder in einer Fremdsprache. Trotzdem anzeigen