20,792 research outputs found

    Recursive internetwork architecture, investigating RINA as an alternative to TCP/IP (IRATI)

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    Driven by the requirements of the emerging applications and networks, the Internet has become an architectural patchwork of growing complexity which strains to cope with the changes. Moore’s law prevented us from recognising that the problem does not hide in the high demands of today’s applications but lies in the flaws of the Internet’s original design. The Internet needs to move beyond TCP/IP to prosper in the long term, TCP/IP has outlived its usefulness. The Recursive InterNetwork Architecture (RINA) is a new Internetwork architecture whose fundamental principle is that networking is only interprocess communication (IPC). RINA reconstructs the overall structure of the Internet, forming a model that comprises a single repeating layer, the DIF (Distributed IPC Facility), which is the minimal set of components required to allow distributed IPC between application processes. RINA supports inherently and without the need of extra mechanisms mobility, multi-homing and Quality of Service, provides a secure and configurable environment, motivates for a more competitive marketplace and allows for a seamless adoption. RINA is the best choice for the next generation networks due to its sound theory, simplicity and the features it enables. IRATI’s goal is to achieve further exploration of this new architecture. IRATI will advance the state of the art of RINA towards an architecture reference model and specifcations that are closer to enable implementations deployable in production scenarios. The design and implemention of a RINA prototype on top of Ethernet will permit the experimentation and evaluation of RINA in comparison to TCP/IP. IRATI will use the OFELIA testbed to carry on its experimental activities. Both projects will benefit from the collaboration. IRATI will gain access to a large-scale testbed with a controlled network while OFELIA will get a unique use-case to validate the facility: experimentation of a non-IP based Internet

    Forum Session at the First International Conference on Service Oriented Computing (ICSOC03)

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    The First International Conference on Service Oriented Computing (ICSOC) was held in Trento, December 15-18, 2003. The focus of the conference ---Service Oriented Computing (SOC)--- is the new emerging paradigm for distributed computing and e-business processing that has evolved from object-oriented and component computing to enable building agile networks of collaborating business applications distributed within and across organizational boundaries. Of the 181 papers submitted to the ICSOC conference, 10 were selected for the forum session which took place on December the 16th, 2003. The papers were chosen based on their technical quality, originality, relevance to SOC and for their nature of being best suited for a poster presentation or a demonstration. This technical report contains the 10 papers presented during the forum session at the ICSOC conference. In particular, the last two papers in the report ere submitted as industrial papers

    Designing Traceability into Big Data Systems

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    Providing an appropriate level of accessibility and traceability to data or process elements (so-called Items) in large volumes of data, often Cloud-resident, is an essential requirement in the Big Data era. Enterprise-wide data systems need to be designed from the outset to support usage of such Items across the spectrum of business use rather than from any specific application view. The design philosophy advocated in this paper is to drive the design process using a so-called description-driven approach which enriches models with meta-data and description and focuses the design process on Item re-use, thereby promoting traceability. Details are given of the description-driven design of big data systems at CERN, in health informatics and in business process management. Evidence is presented that the approach leads to design simplicity and consequent ease of management thanks to loose typing and the adoption of a unified approach to Item management and usage.Comment: 10 pages; 6 figures in Proceedings of the 5th Annual International Conference on ICT: Big Data, Cloud and Security (ICT-BDCS 2015), Singapore July 2015. arXiv admin note: text overlap with arXiv:1402.5764, arXiv:1402.575

    CONTEXTUALIZED INTERACTIVE LEARNING MATERIALS (CILMs) FOR MATHEMATICS 1

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    The study was conducted to develop Contextualized Interactive Learning Materials (CILMs) for Mathematics 1 based on the results of the survey on the need to prepare CILMs and the problems encountered in the preparation and use of instructional materials in teaching Mathematics administered to 148 Grade 1 public elementary school teachers in the Schools Division of Ilocos Norte. Results were analyzed using the mean, frequency count, percentage, and rank.             The findings showed that there is a need to prepare CILMs for all the learning competencies in Mathematics 1. Also, there were problems encountered by them in the preparation and use of instructional materials which could be addressed by the production of a curriculum support material. Hence, the CILMs were developed. Based on the results of the evaluation made by the content specialists, ICT experts, and Grade 1 teachers, the CILMs were found to be very highly valid and very highly acceptable as a curriculum support material for mathematics instruction.             In the light of findings and conclusions, the researcher recommends that teachers be provided with means for internet connectivity and be given adequate professional development experiences in preparing contextualized interactive learning materials; copies of the CILMs may be provided to the school administrators, program heads, and teachers for the adoption of the materials to classroom instruction; monitoring and evaluation on the use of the CILMs be done; documentation on the initial adoption and implementation of the CILMs be done; and similar or related studies to be conducted in other grade levels for  Mathematics

    A characteristics framework for Semantic Information Systems Standards

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    Semantic Information Systems (IS) Standards play a critical role in the development of the networked economy. While their importance is undoubted by all stakeholders—such as businesses, policy makers, researchers, developers—the current state of research leaves a number of questions unaddressed. Terminological confusion exists around the notions of “business semantics”, “business-to-business interoperability”, and “interoperability standards” amongst others. And, moreover, a comprehensive understanding about the characteristics of Semantic IS Standards is missing. The paper addresses this gap in literature by developing a characteristics framework for Semantic IS Standards. Two case studies are used to check the applicability of the framework in a “real-life” context. The framework lays the foundation for future research in an important field of the IS discipline and supports practitioners in their efforts to analyze, compare, and evaluate Semantic IS Standard

    A framework for P2P application development

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    Although Peer-to-Peer (P2P) computing has become increasingly popular over recent years, there still exist only a very small number of application domains that have exploited it on a large scale. This can be attributed to a number of reasons including the rapid evolution of P2P technologies, coupled with their often-complex nature. This paper describes an implemented abstraction framework that seeks to aid developers in building P2P applications. A selection of example P2P applications that have been developed using this framework are also presented

    Adaptability Concepts for Enterprise Resource Planning Systems - A Component Framework

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    The research project CHANGE1 aims to bring adaptability into Enterprise Resource Planning (ERP) software systems. Adaptability is seen as a quality to manage change. This could be a reaction to a need or a proactive push to leverage potential opportunities. In any case the process change should be optimally represented in the ERP application. One of the major problems in developing adaptable software systems is the lack of systematic methods during the process of software development. For that, a pattern-based approach has been developed which covers three identified dimensions of adaptability in ERP systems. In the next step a component framework is proposed for characterising adaptable ERP software systems, regardless of venture type

    "Stuff goes into the computer and doesn't come out": a cross-tool study of personal information management

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    This paper reports a study of Personal Information Management (PIM), which advances research in two ways: (1) rather than focusing on one tool, we collected cross-tool data relating to file, email and web bookmark usage for each participant, and (2) we collected longitudinal data for a subset of the participants. We found that individuals employ a rich variety of strategies both within and across PIM tools, and we present new strategy classifications that reflect this behaviour. We discuss synergies and differences between tools that may be useful in guiding the design of tool integration. Our longitudinal data provides insight into how PIM behaviour evolves over time, and suggests how the supporting nature of PIM discourages reflection by users on their strategies. We discuss how the promotion of some reflection by tools and organizations may benefit users

    Ontology Repositories

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    The growing use and application of ontologies in the last years has led to an increased interest of researchers and practitioners in the development of ontologies, either from scratch o by reusing existing ones. ..
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