351,306 research outputs found

    The importance of websites for organic agri-food producers

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    Spanish agri-food producers, particularly organic producers, have faced commercial problems for years. Websites are able to combine informative, relational and transactional functions. This ability makes them attractive sales channels in sectors such as the organic agri-food sector, which has traditionally had major commercial shortcomings in these three areas. This study is built on this premise. The study explored whether organic agri-food producers and conventional producers differ in terms of their use of websites as a sales channel and their degree of interaction with users. The extended model of Internet commerce adoption (eMICA) and fuzzy-set qualitative comparative analysis (fsQCA) were used. Other statistical techniques were also used. The fieldwork began with a sample of 998 producers (239 organic and 759 conventional). The results reveal differences between organic and conventional olive oil producers regarding website adoption and use. In terms of attracting website visits, the results also reveal the relevance of being an organic producer and having a capitalist or cooperative company structur

    Troli tong gas

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    Tong gas adalah sebahagian daripada keperluan rumah yang sangat penting untuk kegunaan dapur. LPG (Liquefied Petroleum Gas), atau petroleum gas biasanya digunakan untuk aplikasi perumahan (tong gas masak) dan tujuan komersial. LPG terutamanya terdiri daripada campuran hidrokarbon seperti propana (C3H8), propene (C3H6), n-butana (C4H10), isobutena (metil-propana), dan pelbagai butanes lain (C4H8) (Mustapa, Gitano Briggs, 2008). LPG disimpan cair dalam tong pada tekanan tinggi, tekanan wap sekitar 6 hingga 7 bar (Petrolium Nasional Berhad, 2013). Oleh itu, tong gas perlu diperbuat daripada silinder keluli bertekanan tinggi. Tong gas digunakan hampir di semua perumahan, termasuk rumah pangsa, kondominium dan apartment. Kebiasaan penghuni perumahan bertingkat yang tidak mempunyai lift terpaksa mengangkat tong gas menggunakan tenaga empat kerat, kadang kala menggunakan troli biasa untuk menggangkut tong gas tersebut bagi memudahkan dan meringankan kerja. Troli adalah peranti yang digunakan untuk membawa beban atau memindahkan bahan dari satu tempat ke yang lain. Untuk aplikasi yang berbeza pelbagai jenis troli digunakan Kebanyakan pekerja domestik juga menggunakan tenaga tulang empat kerat untuk kerja-kerja pemindahan troli .

    TINA as a virtual market place for telecommunication and information services: the VITAL experiment

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    The VITAL (Validation of Integrated Telecommunication Architectures for the Long-Term) project has defined, implemented and demonstrated an open distributed telecommunication architecture (ODTA) for deploying, managing and using a set of heterogeneous multimedia, multi-party, and mobility services. The architecture was based on the latest specifications released by TINA-C. The architecture was challenged in a set of trials by means of a heterogeneous set of applications. Some of the applications were developed within the project from scratch, while some others focused on integrating commercially available applications. The applications were selected in such a way as to assure full coverage of the architecture implementation and reflect a realistic use of it. The VITAL experience of refining and implementing TINA specifications and challenging the resulting platform by a heterogeneous set of services has proven the openness, flexibility and reusability of TINA. This paper describes the VITAL approach when choosing the different services and how they challenge and interact with the architecture, focusing especially on the service architecture and the Ret reference point definitions. The VITAL adjustments and enhancements to the TINA architecture are described. This paper contributes to proving that the TINA-based VITAL ODTA allows for easy and cost-effective development and deployment of advanced end-user and operator services, and can indeed act as the basis for a virtual market place for telecommunications service

    Emerging privacy challenges and approaches in CAV systems

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    The growth of Internet-connected devices, Internet-enabled services and Internet of Things systems continues at a rapid pace, and their application to transport systems is heralded as game-changing. Numerous developing CAV (Connected and Autonomous Vehicle) functions, such as traffic planning, optimisation, management, safety-critical and cooperative autonomous driving applications, rely on data from various sources. The efficacy of these functions is highly dependent on the dimensionality, amount and accuracy of the data being shared. It holds, in general, that the greater the amount of data available, the greater the efficacy of the function. However, much of this data is privacy-sensitive, including personal, commercial and research data. Location data and its correlation with identity and temporal data can help infer other personal information, such as home/work locations, age, job, behavioural features, habits, social relationships. This work categorises the emerging privacy challenges and solutions for CAV systems and identifies the knowledge gap for future research, which will minimise and mitigate privacy concerns without hampering the efficacy of the functions

    Positive Copyright and Open Content Licences: How to Make a Marriage Work by Empowering Authors to Disseminate Their Creations

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    Positive copyright appears to have been progressively turned away from its normative function of ensuring a fair and efficient transmission of human knowledge. The private sector is seeking to counterbalance this phenomenon by adopting legal tools that expand the public domain of knowledge, such as web-based licences modelled on the "open access" approach. The increasing world-wide preference for Creative Commons licences confirms their aptness to transform copyright law into a tool flexible enough to serve authors' several purposes. Such a spontaneous counterbalance experiences many difficulties though, because of the structure that positive copyright has adopted over the last few years. The current situation is an excellent point from which to look back at how authors used to disseminate their works before the advent of the Internet. From a historical view-point copyright has always accomplished the twin functions of economically rewarding authors and enabling communication of their creations to the public. The latter goal is achieved by means of statutory mechanisms limiting the freedom of contract between authors and their counterparts (intermediaries in a broad sense), in order to enforce the authors' capacity to spread their works. In the current digital environment, however, these mechanisms are not likely to accomplish their original functions. This paper seeks to explore an adjustment that will permit authors to take advantage of all the new means of commercial exploitation and non-commercial dissemination of their works offered by the Internet. Such an adjustment aims also at realigning positive and normative copyright by encompassing the use of open content licensing within the current copyright framework

    Spillover effects among financial institutions: a state-dependent sensitivity value-at-risk approach : [Version September 2012]

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    In this paper, we develop a state-dependent sensitivity value-at-risk (SDSVaR) approach that enables us to quantify the direction, size, and duration of risk spillovers among financial institutions as a function of the state of financial markets (tranquil, normal, and volatile). Within a system of quantile regressions for four sets of major financial institutions (commercial banks, investment banks, hedge funds, and insurance companies) we show that while small during normal times, equivalent shocks lead to considerable spillover effects in volatile market periods. Commercial banks and, especially, hedge funds appear to play a major role in the transmission of shocks to other financial institutions. Using daily data, we can trace out the spillover effects over time in a set of impulse response functions and find that they reach their peak after 10 to 15 days

    Issues Related to the Emergence of the Information Superhighway and California Societal Changes, IISTPS Report 96-4

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    The Norman Y. Mineta International Institute for Surface Transportation Policy Studies (IISTPS) at San José State University (SJSU) conducted this project to review the continuing development of the Internet and the Information Superhighway. Emphasis was placed on an examination of the impact on commuting and working patterns in California, and an analysis of how public transportation agencies, including Caltrans, might take advantage of the new communications technologies. The document reviews the technology underlying the current Internet “structure” and examines anticipated developments. It is important to note that much of the research for this limited-scope project was conducted during 1995, and the topic is so rapidly evolving that some information is almost automatically “dated.” The report also examines how transportation agencies are basically similar in structure and function to other business entities, and how they can continue to utilize the emerging technologies to improve internal and external communications. As part of a detailed discussion of specific transportation agency functions, it is noted that the concept of a “Roundtable Forum,” growing out of developments in Concurrent Engineering, can provide an opportunity for representatives from multiple jurisdictions to utilize the Internet for more coordinated decision-making. The report also included an extensive analysis of demographic trends in California in recent years, such as commute and recreational activities, and identifies how the emerging technologies may impact future changes

    Agricultural information dissemination using ICTs: a review and analysis of information dissemination models in China

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    Open Access funded by China Agricultural UniversityOver the last three decades, China’s agriculture sector has been transformed from the traditional to modern practice through the effective deployment of Information and Communication Technologies (ICTs). Information processing and dissemination have played a critical role in this transformation process. Many studies in relation to agriculture information services have been conducted in China, but few of them have attempted to provide a comprehensive review and analysis of different information dissemination models and their applications. This paper aims to review and identify the ICT based information dissemination models in China and to share the knowledge and experience in applying emerging ICTs in disseminating agriculture information to farmers and farm communities to improve productivity and economic, social and environmental sustainability. The paper reviews and analyzes the development stages of China’s agricultural information dissemination systems and different mechanisms for agricultural information service development and operations. Seven ICT-based information dissemination models are identified and discussed. Success cases are presented. The findings provide a useful direction for researchers and practitioners in developing future ICT based information dissemination systems. It is hoped that this paper will also help other developing countries to learn from China’s experience and best practice in their endeavor of applying emerging ICTs in agriculture information dissemination and knowledge transfer
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