Curating media learning: Towards a porous expertise

This article combines research results from a range of projects with two consistent themes. Firstly, we explore the potential for curation to offer a productive metaphor for the convergence of digital media learning across and between home / lifeworld and formal educational / systemworld spaces – or between the public and private spheres. Secondly, we draw conclusions from these projects to argue that the acceptance of transmedia literacy practices as a site for rich educational work – in media education and related areas – can only succeed if matched by a convergence of a more porous educator–student expertise

A Puff of Steem: Security Analysis of Decentralized Content Curation

Decentralized content curation is the process through which uploaded posts are ranked and filtered based exclusively on users\u27 feedback. Platforms such as the blockchain-based Steemit employ this type of curation while providing monetary incentives to promote the visibility of high quality posts according to the perception of the participants. Despite the wide adoption of the platform very little is known regarding its performance and resilience characteristics. In this work, we provide a formal model for decentralized content curation that identifies salient complexity and game-theoretic measures of performance and resilience to selfish participants. Armed with our model, we provide a first analysis of Steemit identifying the conditions under which the system can be expected to correctly converge to curation while we demonstrate its susceptibility to selfish participant behaviour. We validate our theoretical results with system simulations in various scenarios

Facilitating and Improving Environmental Research Data Repository Interoperability

Environmental research data repositories provide much needed services for data preservation and data dissemination to diverse communities with domain specific or programmatic data needs and standards. Due to independent development these repositories serve their communities well, but were developed with different technologies, data models and using different ontologies. Hence, the effectiveness and efficiency of these services can be vastly improved if repositories work together adhering to a shared community platform that focuses on the implementation of agreed upon standards and best practices for curation and dissemination of data. Such a community platform drives forward the convergence of technologies and practices that will advance cross-domain interoperability. It will also facilitate contributions from investigators through standardized and streamlined workflows and provide increased visibility for the role of data managers and the curation services provided by data repositories, beyond preservation infrastructure. Ten specific suggestions for such standardizations are outlined without any suggestions for priority or technical implementation. Although the recommendations are for repositories to implement, they have been chosen specifically with the data provider/data curator and synthesis scientist in mind

Digital Curation: The Challenge Driving Convergence across Memory Institutions

Collaboration between libraries, archives and museums (LAMS) is undertaken in a continuum which starts with an initial understanding of the differences between the disciplines, and can lead to full convergence with a shared mission and delivery of shared services. Collaboration brings increasing benefits in resource efficiencies and user uptake as participating organizations progress through the continuum. It is in the area of digital content creation and management that the synergies of the disciplines are most often harnessed through cooperative exploration, coordinated projects and collaborative services. This paper examines and extends the Collaboration Continuum first identified by Soehner and elaborated by Zorich, Gunter, and Erway through analyises of the existing research into the nature of LAM collaboration, and identification of the core ethical differences which govern seemingly similar agenda. The paper proposes digital curation as the ?change agent? which will bring about full convergence between the professions, as they move through the digital content and management continuum.preprin

Exploring a curatorial turn in journalism

Curation has moved from the ‘rarefied’ atmosphere of museums and exhibitions into journalism where new discourses and practices are proliferating. The changes have attracted academic attention such that journalism is now facing its own curatorial turn akin to what Paul O’Neill identified in museum studies. This article draws on a meta-analysis of journal articles in the field to argue that the prevalent instrumentalist definitions of curation are necessary but not sufficient to capture what the shifts in discourse and practices mean for journalism. In order to derive a more nuanced conceptualization of curation that includes the instrumental and metaphorical, the article draws on literature beyond the field of journalism studies to trace the changing meanings of the term from curation from antiquity to the digital age. The conditions are propitious for the movement of new practices into newsrooms but where it fits in relation to existing professions is intellectually unclear because of a lack of conceptual clarity as to how curation overlaps and differs from other roles. The article offers a preliminary attempt to address this

Journalistic content curation and news librarianship: Differential characteristics and necessary convergence

Based on a systematic review of the literature on journalistic content curation and news librarianship, the paper puts forward a clarification of the two concepts. Profiles for each of the two disciplines are set out, together with common aspects for comparison to identify their similarities and differences. Based on the comparison, the paper argues for the convergence of the two disciplines, finding that each is vital to safeguarding the social functions performed in the press coverage of current events, including the essential function of user-generated content

3D mesh processing using GAMer 2 to enable reaction-diffusion simulations in realistic cellular geometries

Recent advances in electron microscopy have enabled the imaging of single cells in 3D at nanometer length scale resolutions. An uncharted frontier for in silico biology is the ability to simulate cellular processes using these observed geometries. Enabling such simulations requires watertight meshing of electron micrograph images into 3D volume meshes, which can then form the basis of computer simulations of such processes using numerical techniques such as the Finite Element Method. In this paper, we describe the use of our recently rewritten mesh processing software, GAMer 2, to bridge the gap between poorly conditioned meshes generated from segmented micrographs and boundary marked tetrahedral meshes which are compatible with simulation. We demonstrate the application of a workflow using GAMer 2 to a series of electron micrographs of neuronal dendrite morphology explored at three different length scales and show that the resulting meshes are suitable for finite element simulations. This work is an important step towards making physical simulations of biological processes in realistic geometries routine. Innovations in algorithms to reconstruct and simulate cellular length scale phenomena based on emerging structural data will enable realistic physical models and advance discovery at the interface of geometry and cellular processes. We posit that a new frontier at the intersection of computational technologies and single cell biology is now open.Comment: 39 pages, 14 figures. High resolution figures and supplemental movies available upon reques