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The presence of game elements on the educational context, specifically on the E-learning modalities, shows that incorporating gamification systematizes the user experience based on parameters related to the games. Considering this issue, this paper presents the integration of two conceptual models of gamification extracted from the literature review published between 2012 and 2015, validating each of the dimensions and indicators through a Delphi study with experts in pedagogy and game design. The application of the model in 6 educational mobile applications for 7 months (June 2015- January 2016) demonstrating the correlation of selected models according to the criteria of suitability and relevance. In short, the following model builds a connection path between the theoretical basis and empirical analysis of gamification in order to overcome the challenges of E-learning education in the XXI century having as ultimate implication the transposition of the theoretical model to a quantitative utility model at the service of future research.

Social media is changing the way we interact, present ideas and information and judge the quality of content and contributions. In recent years there have been hundreds of platforms to freely share all kinds of information and connect across networks. These new tools generate activity statistics and interactions among users such as mentions, retweets, conversations, comments on blogs or Facebook; managers references showing popularity ratings of more references shared by other researchers or repositories that generate statistics of visits or downloads of articles. This paper analyzes that have meaning and implications altmetrics, what are its advantages and critical platforms (Almetric.com, ImpactStory, Plos altmetrics, PlumX), reports progress and benefits for authors, publishers and librarians. It concluded that the value of alternative metrics as a complementary tool citation analysis is evident, although it is suggested that you should dig deeper into this issue to unravel the meaning and the potential value of these indicators to assess their potential.

Photographic patrimonies on plastic substrates, whether of cellulose nitrate or cellulose acetates, are exposed to degradation by an autocatalytic process of acid hydrolysis. Despite the existence of extensive literature on procedures for conservation and preservation of this material, the one which analyzes the actual present of the collections kept by documentation centers is not abundant. The aim of this paper is to present the state of conservation of this sort of materials in Catalonia, as well as the conditions of conservation. Results show that proper conservation procedures have been implemented only recently and environmental control facilities are underused. Even though about 85% of the material has not reached a state of self-induced catalysis yet, quick actions must be taken to preserve it because a third of the material studied is close to this fatal situation.

This paper reviews the theoretical concept of "Automated Documentation", based on different conceptions of Information Science: The Otlet's Third Hypothesis, the Information Retrieval, and the Cognitive Approach. Finally, it proposes an inclusive definition that includes the necessary renewal of the concept of document.

This paper shows an approach to solve the traditional problems of conventional hypertext systems. It shows aspects such as disorientation, absence of a relationship establishment methodology and a type of links, as well as a lack of theoretical development on the use of hypertext in corporate or global networks (internet) and the treatment given to hypertext as a passive tool for information searching. It proposes a navigational interface model that formalizes the internal structure of hypertext and navigation within these networks, a series of tools to support the information query and a normalization in the typology of relationships. There are also guidelines for the management of hypertext systems in the network and a definition of the Hyperdocument as an active structure for the acquisition of knowledge. As conclusion, it is indicated that the development and extension of the hypertext goes through formalizing its structure and navigation mechanisms at the individual user level and in networks. The model proposed in this study is called Documentary Hypertext.