Magoutis et al. Journal of Internet Services and Applications (2015) 6:20 DOI 10.1186/s13174-015-0036-2

ERRATUM Open Access

Erratum to: Design and implementation ofa social networking platform for clouddeployment specialists

Kostas Magoutis1,2*, Christos Papoulas1,3, Antonis Papaioannou1,3, Flora Karniavoura1,3,Dimitrios-Georgios Akestoridis2, Nikos Parotsidis2, Maria Korozi1,3, Asterios Leonidis1,3, Stavroula Ntoa1

and Constantine Stephanidis1,3

It has come to the publisher’s attention that the originalPDF version of this article [1] unfortunately publishedmany figures in the incorrect order. The order of thefigures has been updated in the original PDF and isgiven for reference below.

* Correspondence: magoutis@ics.forth.gr1Institute of Computer Science (ICS), Foundation for Research andTechnology – Hellas (FORTH), Heraklion, Greece2Department of Computer Science and Engineering, University of Ioannina,Ioannina, GreeceFull list of author information is available at the end of the article

© 2015 Magoutis et al. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, andreproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link tothe Creative Commons license, and indicate if changes were made.

Fig. 1 Integration of a collaborative social platform with repositories of information

Fig. 2 DSLs comprising CAMEL

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Fig. 4 Engineering and social activities are seamlessly interweavedwithin the PaaSage professional network

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Fig. 3 Evolution of total number of cookbooks on Chef Supermarket over time

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Fig. 5 Personalized models page

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Fig. 6 Application model page

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Fig. 7 Models and components list

Fig. 8 List of currently running applications

Fig. 9 Users are constantly motivated to participate in social activities

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Fig. 11 Evolutionary design of the application model overview panel

Fig. 10 Automatic provision of context-sensitive assistance when available

Fig. 12 Main navigation menu

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Fig. 13 Statistical information and graphics for user’s models and components

Page Handler

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Fig. 14 Architecture of the Elgg Social Networking engine. Page handlers refer to functionality of implemented plugins

Fig. 15 Application components. Component categories and components imported from Chef Supermarket

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Fig. 16 Distribution of Chef cookbook categories

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Fig. 17 Distribution of Chef cookbook dependencies in log-log scale

Fig. 18 Frequency of issues raised during the first evaluation iteration with users

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Fig. 19 SUS scores

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Fig. 21 Users’ rating of model finding and model information

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Fig. 20 Scores of the individual PaaSage features: registration, finding a model, model information, finding a component

Fig. 22 User requests for DevOps features to be included in the PaaSage social network

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Fig. 24 The execution history of different cloud deployments

Fig. 23 PaaSage features that were mostly liked by the users

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Author details1Institute of Computer Science (ICS), Foundation for Research andTechnology – Hellas (FORTH), Heraklion, Greece. 2Department of ComputerScience and Engineering, University of Ioannina, Ioannina, Greece.3Computer Science Department, University of Crete, Rethymnon, Greece.

Reference1. Magoutis K, Papoulas C, Papaioannou A, Karniavoura F, Akestoridis D-G,

Parotsidis N, et al. Design and implementation of a social networkingplatform for cloud deployment specialists. J Internet Serv Appl. 2015; 6:19.http://www.jisajournal.com/content/6/1/19.