Data Storage for Social Networks

Duc A. Tran

Verlag: Springer-Verlag Gmbh Aug 2012, 2012
ISBN 10: 146144635X / ISBN 13: 9781461446354
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Neuware - Evidenced by the success of Facebook, Twitter, and LinkedIn, online social networks (OSNs) have become ubiquitous, offering novel ways for people to access information and communicate with each other. As the increasing popularity of social networking is undeniable, scalability is an important issue for any OSN that wants to serve a large number of users. Storing user data for the entire network on a single server can quickly lead to a bottleneck, and, consequently, more servers are needed to expand storage capacity and lower data request traffic per server. Adding more servers is just one step to address scalability. 47 pp. Englisch. Buchnummer des Verkäufers

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Evidenced by the success of Facebook, Twitter, and LinkedIn, online social networks (OSNs) have become ubiquitous, offering novel ways for people to access information and communicate with each other. As the increasing popularity of social networking is undeniable, scalability is an important issue for any OSN that wants to serve a large number of users. Storing user data for the entire network on a single server can quickly lead to a bottleneck, and, consequently, more servers are needed to expand storage capacity and lower data request traffic per server. Adding more servers is just one step to address scalability.

The next step is to determine how best to store the data across multiple servers. This problem has been widely-studied in the literature of distributed and database systems. OSNs, however, represent a different class of data systems. When a user spends time on a social network, the data mostly requested is her own and that of her friends; e.g., in Facebook or Twitter, these data are the status updates posted by herself as well as that posted by the friends. This so-called social locality should be taken into account when determining the server locations to store these data, so that when a user issues a read request, all its relevant data can be returned quickly and efficiently. Social locality is not a design factor in traditional storage systems where data requests are always processed independently.

Even for today?s OSNs, social locality is not yet considered in their data partition schemes. These schemes rely on  distributed hash tables (DHT), using consistent hashing to assign the users? data to the servers. The random nature of DHT leads to weak social locality which has been shown to result in poor performance under heavy request loads.

Data Storage for Social Networks: A Socially Aware Approach is aimed at reviewing the current literature of data storage for online social networks and discussing new methods that take into account social awareness in designing efficient data storage.

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?This short and concisely presented survey concludes with a discussion of two socially aware systems: S-PUT, for data partitioning, and S-CLONE, for data replication. The latter part of the book discusses these systems in detail, including system design, algorithms (with equations), and analysis results. ? I recommend it as an enjoyable read for anyone who is interested in database design, especially in the context of social media applications. Computer science students especially should look at it.? (Alyx Macfadyen, ACM Computing Reviews, December, 2012)

?The objective of this book is to present a new approach to social data storage which optimizes the distribution and replication of data. ? The book is clearly written and structured, also the illustrations help readers to understand the presented concepts. The book is aimed at graduate and PhD students, software engineers and researchers interested in designing and implementing efficient distributed storage systems.? (Mihai Gabroveanu, Zentralblatt MATH, Vol. 1257, 2013)

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Bibliografische Details

Titel: Data Storage for Social Networks
Verlag: Springer-Verlag Gmbh Aug 2012
Erscheinungsdatum: 2012
Einband: Taschenbuch
Zustand: Neu

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Duc A. Tran
Verlag: Springer-Verlag Gmbh Aug 2012 (2012)
ISBN 10: 146144635X ISBN 13: 9781461446354
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Buchbeschreibung Springer-Verlag Gmbh Aug 2012, 2012. Taschenbuch. Buchzustand: Neu. 236x154x7 mm. Neuware - Evidenced by the success of Facebook, Twitter, and LinkedIn, online social networks (OSNs) have become ubiquitous, offering novel ways for people to access information and communicate with each other. As the increasing popularity of social networking is undeniable, scalability is an important issue for any OSN that wants to serve a large number of users. Storing user data for the entire network on a single server can quickly lead to a bottleneck, and, consequently, more servers are needed to expand storage capacity and lower data request traffic per server. Adding more servers is just one step to address scalability. 47 pp. Englisch. Artikel-Nr. 9781461446354

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