10,279 research outputs found

    Big Data and the Internet of Things

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    Advances in sensing and computing capabilities are making it possible to embed increasing computing power in small devices. This has enabled the sensing devices not just to passively capture data at very high resolution but also to take sophisticated actions in response. Combined with advances in communication, this is resulting in an ecosystem of highly interconnected devices referred to as the Internet of Things - IoT. In conjunction, the advances in machine learning have allowed building models on this ever increasing amounts of data. Consequently, devices all the way from heavy assets such as aircraft engines to wearables such as health monitors can all now not only generate massive amounts of data but can draw back on aggregate analytics to "improve" their performance over time. Big data analytics has been identified as a key enabler for the IoT. In this chapter, we discuss various avenues of the IoT where big data analytics either is already making a significant impact or is on the cusp of doing so. We also discuss social implications and areas of concern.Comment: 33 pages. draft of upcoming book chapter in Japkowicz and Stefanowski (eds.) Big Data Analysis: New algorithms for a new society, Springer Series on Studies in Big Data, to appea

    A Technology Proposal for a Management Information System for the Director’s Office, NAL.

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    This technology proposal attempts in giving a viable solution for a Management Information System (MIS) for the Director's Office. In today's IT scenario, an Organization's success greatly depends on its ability to get accurate and timely data on its operations of varied nature and to manage this data effectively to guide its activities and meet its goals. To cater to the information needs of an Organization or an Office like the Director's Office, information systems are developed and deployed to gather and process data in ways that produce a variety of information to the end-user. MIS can therefore can be defined as an integrated user-machine system for providing information to support operations, management and decision-making functions in an Organization. The system in a nutshell, utilizes computer hardware and software, manual procedures, models for analysis planning, control and decision-making and a database. Using state-of-the-art front-end and back-end web based tools, this technology proposal attempts to provide a single-point Information Management, Information Storage, Information Querying and Information Retrieval interface to the Director and his office for handling all information traffic flow in and out of the Director's Office

    A Taxonomy of Workflow Management Systems for Grid Computing

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    With the advent of Grid and application technologies, scientists and engineers are building more and more complex applications to manage and process large data sets, and execute scientific experiments on distributed resources. Such application scenarios require means for composing and executing complex workflows. Therefore, many efforts have been made towards the development of workflow management systems for Grid computing. In this paper, we propose a taxonomy that characterizes and classifies various approaches for building and executing workflows on Grids. We also survey several representative Grid workflow systems developed by various projects world-wide to demonstrate the comprehensiveness of the taxonomy. The taxonomy not only highlights the design and engineering similarities and differences of state-of-the-art in Grid workflow systems, but also identifies the areas that need further research.Comment: 29 pages, 15 figure

    GUISET: A CONCEPTUAL DESIGN OF A GRID-ENABLED PORTAL FOR E-COMMERCE ON-DEMAND SERVICES

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    Conventional grid-enabled portal designs have been largely influenced by the usual functional requirements such as security requirements, grid resource requirements and job management requirements. However, the pay-as-you-use service provisioning model of utility computing platforms mean that additional requirements must be considered in order to realize effective grid-enabled portals design for such platforms. This work investigates those relevant additional requirements that must be considered for the design of grid-enabled portals for utility computing contexts. Based on a thorough review of literature, we identified a number of those relevant additional requirements, and developed a grid-enabled portal prototype for the Grid-based Utility Infrastructure for SMME-enabling Technology (GUISET) initiative – a utility computing platform. The GUISET portal was designed to cater for both the traditional grid requirements and some of the relevant additional requirements for utility computing contexts. The result of the evaluation of the GUISET portal prototype using a set of benchmark requirements (standards) revealed that it fulfilled the minimum requirements to be suitable for the utility context

    Product information management for complex modular security systems

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    Um sistema PIM gere toda a informação que possibilita a comercialização dos produtos através de diferentes canais. A sua importância durante o ciclo de vida de um produto aumentou devido à sofisticação técnica dos produtos, a gerir internamente e a publicar externamente. Sistemas, tais como o ERP e o CCMS, deverão integrar-se com um sistema PIM, o qual deve funcionar como a “espinha dorsal” da informação de produto. O presente projeto tem como objetivo principal a criação de uma solução para gerir a informação de produto para sistemas modulares complexos. A proposta de solução inclui a criação de uma ontologia para parte dos inúmeros sistemas disponíveis no catálogo de produtos de uma das maiores organizações multinacionais do setor de engenharia e tecnologia a nível mundial. O processo de criação da solução proposta baseou-se na metodologia de investigação pesquisa-ação e foi dividido em cinco fases. Na fase de diagnóstico descreveu-se e analisou-se a atual situação dos sistemas ERP e CCMS que gerem o catálogo online dos sistemas de produtos comercializados. Levantaram-se ainda as taxonomias de produto atuais e elaborou-se a proposta. Na fase de planeamento da ação descreveram-se a equipa de trabalho, a abordagem inspirada na metodologia Agile usada para desenvolver a solução, as reuniões de planeamento, os parceiros de trabalho, as ferramentas a usar e a sua justificação. Na fase de tomada de ação foi descrito o processo de criação da solução ontológica e o resultado final, incluindo a construção das novas taxonomias e a sua validação pelos especialistas. Propuseram-se exemplos e representações gráficas usando a ferramenta Protégé. Na fase de avaliação, a solução ontológica foi testada, tendo-se validado que os requisitos necessários foram satisfeitos pela estrutura. Na fase de especificação de aprendizagem propuseram-se os próximos passos para a implementação e gestão futura do modelo ontológico. Com esta solução, a organização poderá gerir mais eficientemente a informação de produto e a estrutura de dados. Ela possui versatilidade para gerir produtos individuais ou sistemas modulares complexos e melhorar a sua comunicação com o cliente. Além disso, a ontologia tem ainda um enorme potencial se combinada com técnicas de IA. Algumas limitações do projeto e propostas de trabalhos futuros foram ainda apresentadas

    Safe, Remote-Access Swarm Robotics Research on the Robotarium

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    This paper describes the development of the Robotarium -- a remotely accessible, multi-robot research facility. The impetus behind the Robotarium is that multi-robot testbeds constitute an integral and essential part of the multi-agent research cycle, yet they are expensive, complex, and time-consuming to develop, operate, and maintain. These resource constraints, in turn, limit access for large groups of researchers and students, which is what the Robotarium is remedying by providing users with remote access to a state-of-the-art multi-robot test facility. This paper details the design and operation of the Robotarium as well as connects these to the particular considerations one must take when making complex hardware remotely accessible. In particular, safety must be built in already at the design phase without overly constraining which coordinated control programs the users can upload and execute, which calls for minimally invasive safety routines with provable performance guarantees.Comment: 13 pages, 7 figures, 3 code samples, 72 reference

    February 2019 Faculty Senate Packet

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    Semantic discovery and reuse of business process patterns

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    Patterns currently play an important role in modern information systems (IS) development and their use has mainly been restricted to the design and implementation phases of the development lifecycle. Given the increasing significance of business modelling in IS development, patterns have the potential of providing a viable solution for promoting reusability of recurrent generalized models in the very early stages of development. As a statement of research-in-progress this paper focuses on business process patterns and proposes an initial methodological framework for the discovery and reuse of business process patterns within the IS development lifecycle. The framework borrows ideas from the domain engineering literature and proposes the use of semantics to drive both the discovery of patterns as well as their reuse
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