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Facebook use by the open access repository users

ONLINE INFORMATION REVIEW 2015年第7期39卷 903-922页

作者： Kurian, Jayan Chirayath RMIT Univ Sch Business Informat Technol & Logist Melbourne Vic Australia RMIT Univ Dept Management Business & Law Ctr Commerce & Management Ho Chi Minh Vietnam

Purpose - The purpose of this paper is to explore the type and implications of user-generated content posted by users of an open access institutional repository (DSpace) on Facebook. Design/methodology/approach - The identified user-generated content was organised into three categories: personal;professional;and social information. It encompassed all content from the members of the "DSpace" Facebook group, posted during the seven-year period (2007-2014). The posts were read and analysed to identify and categorise user-generated content posted by users to determine how Facebook is used by open access repository users. Findings - The results of analysis demonstrate the importance of social information posted by users over personal and professional information. Major types of user-generated content posted by users in the social information category were request, greetings, status-update, and announcement. Further, there has been a threefold increase in the number of user postings in the last two years (2013-2014), when posts were analysed over a seven-year period. Research limitations/implications - This study contributes to the theory on the implications eventuating from user-generated content posted by users of an open access institutional repository. An analysis of user-generated content identified in this study implies that users of DSpace open access repository are primarily using Facebook for information seeking, relationship building, and knowledge dissemination. Practical implications - By analysing the findings, administrators and policy makers of open access repositories could identify the extent of user support in the form of technical assistance, improved sustainability of supported projects, user community development, marketing and communications required to sustain open access scholarly communication. Originality/value - Previous studies examined how social networking sites have been used for a different purpose (interaction, collaboration, and discussio

关键词： Social networking sites Open access repositories User-generated content

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Cognitive Storage for Big Data

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COMPUTER 2016年第4期49卷 43-51页

作者： Cherubini, Giovanni Jelitto, Jens Venkatesan, Vinodh IBM Res Corp Zurich Switzerland

Storage system efficiency can be significantly improved by determining the value of data. A key concept is cognitive storage, or optimizing storage systems by better comprehending the relevance of data to user needs a... 详细信息

关键词： Energy Efficiency Performance Evaluation Storage Area Networks Big Data Quality Of Service Context Modeling Data Storage Aystems Indexing Mass Storage Big Data Storage Management Value Of Information repositories Autonomous Systems Content Analysis

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Development of a classification system for Mathematical Logic

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JOURNAL OF INFORMATION SCIENCE 2021年第2期47卷 143-160页

作者： Sarasa Cabezuelo, Antonio Univ Complutense Madrid Sch Comp Sci Dept Comp Syst & Computat Calle Prof Jose Garcia Santesmases 9 Madrid 28040 Spain

The number of digital resources that exist in repositories and on the Internet in general is enormous. Recovering resources that fit with the user's specific needs poses a problem. To solve this problem, metainformation is added to the resources. One type of metainformation is the classification of a resource using a classification system that is widely recognised and agreed upon by its users. In this way, each resource is assigned a precise place within the classification system, thus facilitating its location. This article proposes a taxonomy for the classification of the resources (notes, exercises, exams or programmes that could be stored within a digital repository) that are generated within the scope of a Mathematical Logic course for a computer science degree programme. It also describes how to represent the proposed taxonomy using the IMS-VDEX standard and how to integrate it in the LOM and Dublin Core metadata specifications and proposes a set of controlled vocabularies that make it possible to refine the taxonomic metainformation.

关键词： Computer science IMS-VDEX logic LOM mathematics metadata repositories

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Where are the large and difficult datasets?

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ADVANCES IN DATA ANALYSIS AND CLASSIFICATION 2009年第1期3卷 25-38页

作者： Jamain, Adrien Hand, David J. BNP Paribas London NW1 6AA England Univ London Imperial Coll Sci Technol & Med Dept Math Inst Math Sci London SW7 2AZ England

A great many comparative performance assessments of classification rules have been undertaken, ranging from small ones involving just one or two methods, to large ones involving many tens of methods. We are undertaking a meta-analytic study of these studies, attempting to distil some overall conclusions. This paper describes just one of our observations. The dataset analysed in this paper contains 5,203 error rates taken from 45 articles and describing 146 datasets. One curious general relationship which was persistent in our data, despite the fact that we were looking at results mixed between distributions rather than conditional on distributions, was that error rate decreased with increasing dataset size. We believe this to be an artefact of the way datasets are collected by the research community.

关键词： Error rate Meta-analysis Comparative studies repositories

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A Practice-Oriented Review of Learning Objects

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IEEE TRANSACTIONS ON LEARNING TECHNOLOGIES 2013年第2期6卷 177-192页

作者： Sinclair, Jane Joy, Mike Yau, Jane Yin-Kim Hagan, Stephen Univ Warwick Dept Comp Sci Coventry CV4 7AL W Midlands England Malmo Univ Dept Comp Sci S-20506 Malmo Sweden Univ Ulster Sch Comp & Math Newtownabbey BT37 0QB Antrim North Ireland

Reusable learning objects support packaging of educational materials allowing their discovery and reuse. Open educational resources emphasize the need for open licensing and promote sharing and community involvement. For both teachers and learners, finding appropriate tried and tested resources on a topic of interest and being able to incorporate them within or alongside other learning materials can enrich provision and share best practice. Resources are made available by a number of general and subject-specific repositories, but there are also many educational resources residing outside these repositories which may provide useful additional materials. Potential users of materials need to be able to locate relevant material and to assess it with respect to a number of factors (such as suitability for purpose and license requirements). However, even such basic requirements can be less than straightforward to determine. This paper presents a view of the field from the user's perspective, bringing together themes from existing research relating to practice-oriented concerns including discoverability, reusability, and quality. It provides a background in this area, exploring current trends, controversies, and research findings. The discussion is also aligned with current provision and practice, indicating areas where further research, provision, and support would be useful.

关键词： Education learning reusable learning objects open educational resources repositories quality discovery reuse

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Features of databases that supported searching for rapid evidence synthesis during COVID-19: implications for future public health emergencies

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BMC MEDICAL RESEARCH METHODOLOGY 2024年第1期24卷 1-10页

作者： Hagerman, Leah Clark, Emily C. Neil-Sztramko, Sarah E. Colangeli, Taylor Dobbins, Maureen McMaster Univ Natl Collaborating Ctr Methods & Tools McMaster Innovat Pk175 Longwood Rd SSuite 210a Hamilton ON L8P 0A1 Canada McMaster Univ Med Ctr Dept Hlth Res Methods Evidence & Impact 2C Area1280 Main St W Hamilton ON L8S 4K1 Canada McMaster Univ Hlth Sci Ctr Sch Nursing 2J201280 Main St W Hamilton ON L8S 4K1 Canada

Background As evidence related to the COVID-19 pandemic surged, databases, platforms, and repositories evolved with features and functions to assist users in promptly finding the most relevant evidence. In response, research synthesis teams adopted novel searching strategies to sift through the vast amount of evidence to synthesize and disseminate the most up-to-date evidence. This paper explores the key database features that facilitated systematic searching for rapid evidence synthesis during the COVID-19 pandemic to inform knowledge management infrastructure during future global health *** This paper outlines the features and functions of previously existing and newly created evidence sources routinely searched as part of the NCCMT's Rapid Evidence Service methods, including databases, platforms, and repositories. Specific functions of each evidence source were assessed as they pertain to searching in the context of a public health emergency, including the topics of indexed citations, the level of evidence of indexed citations, and specific usability features of each evidence *** Thirteen evidence sources were assessed, of which four were newly created and nine were either pre-existing or adapted from previously existing resources. Evidence sources varied in topics indexed, level of evidence indexed, and specific searching *** This paper offers insights into which features enabled systematic searching for the completion of rapid reviews to inform decision makers within 5-10 days. These findings provide guidance for knowledge management strategies and evidence infrastructures during future public health emergencies.

关键词： Rapid reviews Evidence- informed decision making Public health Searching Databases repositories Systematic reviews COVID-19

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A comparison of academics' attitudes towards the rights protection of their research and teaching materials

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JOURNAL OF INFORMATION SCIENCE 2007年第6期33卷 686-701页

作者： Gadd, Elizabeth Loddington, Steve Oppenheim, Charles Loughborough Univ Technol Dept Informat Sci Loughborough LE11 3TU Leics England Loughborough Univ Technol Univ Lib Loughborough LE11 3TU Leics England

This paper compares two JISC-funded surveys. The first was undertaken by the Rights MEtadata for Open Archiving (RoMEO) project and focused on the rights protection required by academic authors sharing their research outputs in an open-access environment. The second was carried out by the Rights and Rewards project and focused on the rights protection required by authors sharing their teaching materials in the same way. The data are compared. The study reports confusion amongst both researchers and teachers as to copyright ownership in the materials they produced. Researchers were more restrictive about the permissions they would allow, but were liberal about terms and conditions. Teachers would allow many permissions, but under stricter terms and conditions. The study concludes that a single rights solution could not be used for both research and teaching materials.

关键词： repositories institutional repositories research teaching intellectual property rights (IPR) author attitudes

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Reproducible and comprehensible research results through persistently linked and visualized numerical simulation data

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OPTICAL AND QUANTUM ELECTRONICS 2018年第2期50卷 1-10页

作者： Drees, Bastian Kraft, Angelina Koprucki, Thomas Tech Informat Bibliothek Welfengarten 1B D-30167 Hannover Germany Weierstrass Inst WIAS Mohrenstr 39 D-10117 Berlin Germany

The demand of reproducible results in the numerical simulation of optoelectronic devices or more general in mathematical modeling and simulation requires the (long-term) accessibility of data and software that were used to generate those results. Moreover, data visualizations such as videos are useful to present those results in a comprehensible manner. Persistent identifiers can be used to ensure the permanent connection of these different digital objects thereby preserving all information in the right context. Here we give an overview over the state-of-the art of data preservation, data and software citation and illustrate the benefits and opportunities of enhancing publications with visual simulation data by showing a use case from optoelectronics.

关键词： Research data repositories Visualization Persistent identifier

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REPOSITORY EVALUATION OF SOFTWARE REUSE

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IEEE TRANSACTIONS ON SOFTWARE ENGINEERING 1993年第4期19卷 379-389页

作者： BANKER, RD KAUFFMAN, RJ ZWEIG, D NYU STERN SCH BUSINESSDEPT INFORMAT SYSTNEW YORKNY 10012 USN POSTGRAD SCHDEPT ADMINISTRAT SCIMONTEREYCA 93943

The traditional unit of analysis and control for software managers is the software project, and subsequently the resulting application system. Today, with the emerging capabilities of computer-aided software engineering (CASE) and corresponding changes in the development process, productivity gains can be realized by reusing portions of the organization's inventory of existing application designs and code. With this opportunity, however, comes the need to monitor software reuse at the corporate level, as well as at the level of the individual software development project. Integrated CASE environments can support such monitoring. We illustrate the use and benefits of repository evaluation of software reuse through an analysis of the evolving repositories of two large firms that recently implemented integrated CASE development tools. The analysis shows that these tools have supported high levels of software reuse, but it also suggests that there remains considerable unexploited reuse potential. Our findings indicate that organizational changes will be required before the full potential of the new technology can be realized.

关键词： CASE COMPUTER-AIDED SOFTWARE ENGINEERING DOMAIN ANALYSIS ORGANIZATIONAL LEARNING repositories SOFTWARE METRICS SOFTWARE REUSE

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Visualization of Mass Transfer Between Source and Seeping Water in a Variable Aperture Fracture-Impact of Tracer Density

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NUCLEAR TECHNOLOGY 2020年第10期206卷 1553-1565页

作者： Winberg-Wang, Helen Neretnieks, Ivars Royal Inst Technol Dept Chem Engn Stockholm Sweden

An experiment with a vertical slot with horizontally seeping water with a dye diffusing from below was performed to help validate and visualize the Q-equivalent model, which describes the mass transfer rate from a source into flowing water, such as that in a repository for nuclear waste. The Q-equivalent model is used for quantifying mass transport in geological repositories. However, the tracer propagated much slower and to a lesser extent than predicted by the model. It was found that the tracer gave rise to a small density gradient that induced buoyancy-driven flow, overwhelming that driven by the horizontal hydraulic gradient. This dramatically changed the mass transfer from the dye source into the water in the slot. For the release of contaminants, this can have detrimental as well as beneficial effects, depending on whether positive or negative buoyancy is induced. These observations led to an analysis of when and how density differences in a repository can influence the release and further fate of escaping radionuclides in waste repositories. This and other experiments also showed that laboratory experiments aimed at visualizing flow and mass transfer processes in fractures could be very sensitive to the heating of the dye tracers by the lighting in the laboratory.

关键词： Tracer experiments repositories safety assessment

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