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2015 IEEE Seventh International Conference on Intelligent Computing and Information Systems (ICICIS)最新文献

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Can aquatic flightless birds allocate Automotive Safety requirements? 水生不会飞的鸟能分配汽车安全要求吗?
Y. Gheraibia, A. Moussaoui, Luís Silva Azevedo, D. Parker, Y. Papadopoulos, M. Walker
Many emerging safety standards use the concept of Safety Integrity Levels (SILs) for guiding designers on how to specify system safety requirements and then allocate these requirements to elements of the system architecture. These standards include the new automotive safety standard ISO 26262 in which SILs are called automotive SILs (or ASILs) and these will be used to illustrate the application of the techniques presented in this paper. In this paper, we propose a new approach in which the allocation of ASILs is performed by a new nature-inspired metaheuristic known as Penguins Search Optimisation Algorithm (PeSOA). PeSOA mimics the collaborative hunting strategy of penguins, using the metaphor of oxygen reserves as a search intensification operator. This allows the penguins to preserve energy, consuming it only in areas of the search space that are rich in good solutions. The performance of the approach is evaluated by applying it to a benchmark hybrid braking system case study, demonstrating performance that is an improvement to those reported in the literature.
许多新兴的安全标准使用安全完整性等级(SILs)的概念来指导设计者如何指定系统安全需求,然后将这些需求分配给系统架构的元素。这些标准包括新的汽车安全标准ISO 26262,其中sil被称为汽车sil(或asil),这些标准将用于说明本文中介绍的技术的应用。在本文中,我们提出了一种新的方法,其中ASILs的分配由一种新的自然启发的元启发式算法执行,称为企鹅搜索优化算法(PeSOA)。PeSOA模仿企鹅的合作狩猎策略,使用氧气储备作为搜索强化算子的隐喻。这使得企鹅可以保存能量,只在搜索空间中有丰富的好的解决方案的区域消耗能量。通过将该方法应用于基准混合动力制动系统案例研究来评估该方法的性能,证明其性能比文献中报道的性能有所改进。
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引用次数: 6
A simulation-based comparative study of Cloud Datacenter scalability, robustness and complexity 基于仿真的云数据中心可扩展性、鲁棒性和复杂性的比较研究
M. F. Ali, O. Batarfi, A. Bashar
This, paper presents a novel approach towards a comprehensive analysis of various simulation-based tools to test and measure the Cloud Datacenter performance, scalability, robustness and complexity. There are different Cloud Datacenter resources in cloud Computing Infrastructure like Virtual Machine, CPU, RAM, SAN, LAN and WAN topologies. The server machines need to be analyzed for their extent of utilization in terms of energy and service to clients in cloud computing. We have analyzed various Cloud resources using CloudSim, CloudReports and Cloud Analyst tools. Resources provisioning, Cloud Management, Load Balancing, Robustness and Cloud Scalability are the primary scope of work discuss in this paper. In this regards some Simulation test results and Simulations are presented in order to compare them with real time scenario to bring the performance and scalability issues into our notice for future directions.
本文提出了一种新的方法,对各种基于仿真的工具进行全面分析,以测试和测量云数据中心的性能、可扩展性、鲁棒性和复杂性。在云计算基础设施中有不同的云数据中心资源,如虚拟机、CPU、RAM、SAN、LAN和WAN拓扑。需要分析服务器机器在云计算中对客户的能源和服务的利用程度。我们使用CloudSim、CloudReports和Cloud Analyst工具分析了各种云资源。资源供应、云管理、负载平衡、健壮性和云可扩展性是本文讨论的主要工作范围。在这方面,给出了一些仿真测试结果和仿真,以便将它们与实时场景进行比较,从而引起我们对性能和可扩展性问题的注意,以指导未来的发展方向。
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引用次数: 2
Mining educational data: A focus on learning analytics 挖掘教育数据:关注学习分析
Anu A. Gokhale
Data mining is a process of finding anomalies, implicit patterns, and correlations within large data sets to predict outcomes, or in other words, the search for relationships and global patterns that exist, but are `hidden' among the vast amounts of data. When applied to the educational domain, data mining is a powerful tool that enables better understanding of relationships, structure, patterns, and causal pathways which provide students the cognitive strategies to think critically, make decisions, and solve problems. The talk will discuss the methodology and results of this research, present the extracted knowledge, and describe its importance in the teaching-learning space. Recent developments engineered to capture and store non-cognitive affective-domain features, such as interest and persistence will be addressed. The objective is evidence-centered design and the data mining framework acknowledges that assessments entail different levels of confidence and risk.
数据挖掘是在大型数据集中发现异常、隐含模式和相关性以预测结果的过程,或者换句话说,是在大量数据中搜索存在但“隐藏”的关系和全局模式的过程。当应用于教育领域时,数据挖掘是一个强大的工具,可以更好地理解关系、结构、模式和因果路径,为学生提供批判性思考、做出决策和解决问题的认知策略。本讲座将讨论本研究的方法和结果,展示所提取的知识,并描述其在教与学空间中的重要性。最近的发展旨在捕获和存储非认知的情感领域特征,如兴趣和持久性。目标是以证据为中心的设计,数据挖掘框架承认评估需要不同程度的信心和风险。
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引用次数: 0
Toward green and mobile cloud computing 走向绿色移动云计算
Taroub Ahmed Mustafa Sa'ed
Cloud computing is an evolution in which IT consumption and delivery are made available in a self-service fashion via the Internet or internal network, with a flexible pay-as-you-go business model and requires a highly efficient and scalable architecture. It can mainly provide three cloud services: storage as a service, processing as a service and software as a service, while infrastructure is very scalable and cost-effective to run high-performance and enterprise computing and web applications. Another powerful challenge in cloud computing is in Mobile cloud computing, which is: combining mobile computing and cloud computing technology. In this paper we will review news techniques to achieve Green computing and discuss the benefits of using cloud services for mobile environment.
云计算是IT消费和交付通过Internet或内部网络以自助方式提供的一种演变,采用灵活的随用随付业务模型,需要高效和可扩展的体系结构。它主要提供三种云服务:存储即服务、处理即服务和软件即服务,而基础设施具有很强的可扩展性和成本效益,可以运行高性能的企业计算和web应用程序。云计算的另一个强大挑战是移动云计算,即:将移动计算与云计算技术相结合。在本文中,我们将回顾实现绿色计算的新技术,并讨论在移动环境中使用云服务的好处。
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引用次数: 3
Personalized E-learning recommendation model based on psychological type and learning style models 基于心理类型和学习风格模型的个性化E-learning推荐模型
Mohamed Soliman Halawa, Essam M. Ramzy Hamed, M. E. Shehab
E-learning has become an essential factor in the modern educational system. In today's diverse student population, E-learning must recognize the differences in student personalities to make the learning process more personalized, and to help overcome “one-size-fits-all” learning model. Each learner has a different learning style and different individual needs. This study proposes a data-driven recommendation model which uses the student's personality and learning style in order to recommend the learning course presentation or objects way. The data model identifies both the student personality type and the dominant preference based on the Myers-Briggs Type Indicator (MBTI) theory. The proposed model utilizes data from student engagement with the learning management system (Moodle) and the social network, Facebook. The model helps students become aware of their personality, which in turn makes them more efficient in their study habits. The model also provides vital information for educators, equipping them with a better understanding of each student's personality. The predicted personality preference was used to match it with the corresponding learning styles from Kolb's model. An experiment of the recommendation model was tested on a sample of students, and at the end a t-test was applied on some collected behavior from our student sample dataset to validate the model. The results indicate an improvement in the students' engagement and commitment to the course after applying the research data-driven model on the e-learning system.
网络学习已经成为现代教育系统的重要组成部分。在当今多样化的学生群体中,电子学习必须认识到学生个性的差异,使学习过程更加个性化,并帮助克服“一刀切”的学习模式。每个学习者都有不同的学习方式和不同的个人需求。本研究提出了一种数据驱动的推荐模型,该模型利用学生的个性和学习风格来推荐学习课程的展示方式或对象方式。数据模型基于Myers-Briggs类型指标(MBTI)理论识别学生的人格类型和优势偏好。提出的模型利用了学生使用学习管理系统(Moodle)和社交网络Facebook的数据。这种模式帮助学生意识到自己的个性,这反过来又使他们在学习习惯上更有效率。该模型还为教育工作者提供了重要的信息,使他们能够更好地了解每个学生的个性。预测的人格偏好与科尔布模型中相应的学习风格相匹配。在一个学生样本上测试了推荐模型的实验,最后对我们的学生样本数据集中收集的一些行为进行t检验来验证模型。结果表明,将研究数据驱动模型应用于电子学习系统后,学生对课程的参与度和承诺度有所提高。
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引用次数: 20
Metaheuristics for the design of safety critical systems: A synthesis of logic and biology in system design 安全关键系统设计的元启发式:系统设计中逻辑和生物学的综合
Y. Papadopoulos
The technologies of model-based design and dependability analysis in the design of safety critical systems, including software intensive systems, have advanced in recent years. Much of this development can be attributed to the application of advances in formal logic and its application to verification of systems. In parallel, bio-inspired technologies have shown potential for the evolutionary design of engineering systems via automated exploration of potentially large design spaces. However, we have not yet seen the emergence of a design paradigm that combines effectively and throughout the design lifecycle these two techniques which are schematically founded on the two pillars of formal logic and biology. Such a design paradigm would apply these techniques synergistically and systematically from the early stages of design to enable optimal refinement of new designs which can be driven effectively by dependability requirements. In my talk I discuss such a model-centric paradigm for the design of systems that brings these technologies together to realise their combined potential benefits, and discuss its embryonic support in the HiP-HOPS (www.hip-hops.eu) dependability analysis and optimisation tool.
近年来,基于模型的设计和可靠性分析技术在安全关键系统(包括软件密集型系统)的设计中得到了发展。这种发展在很大程度上可以归因于形式逻辑的进步及其在系统验证中的应用。与此同时,生物启发技术通过自动探索潜在的大型设计空间,显示了工程系统进化设计的潜力。然而,我们还没有看到一种设计范式的出现,它能在整个设计生命周期中有效地结合这两种技术,这两种技术以形式逻辑和生物学两大支柱为基础。这样的设计范例将从设计的早期阶段协同和系统地应用这些技术,以实现新设计的最佳细化,这些设计可以由可靠性需求有效地驱动。在我的演讲中,我讨论了这样一个以模型为中心的系统设计范例,它将这些技术结合在一起,以实现它们的综合潜在利益,并讨论了它在HiP-HOPS (www.hip-hops.eu)可靠性分析和优化工具中的萌芽支持。
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引用次数: 0
Waterfall and agile requirements-based model for automated test cases generation 用于自动生成测试用例的瀑布式和敏捷的基于需求的模型
Roaa Elghondakly, Sherin M. Moussa, N. Badr
Requirements-based testing is a testing approach in which test cases are derived from requirements. Requirements represent the initial phase in software developments life cycle. Requirements are considered the basis of any software project. Therefore, any ambiguity in natural language requirements leads to major errors in the coming phases. Moreover, poorly defined requirements may cause software project failure. There exist many software development models as waterfall model, agile model, etc. In this paper, we propose a novel automated approach to generate test cases from requirements. Requirements can be gathered from different models either waterfall model (functional and non-functional) or agile model. SRS documents, non-functional requirements and user stories are parsed and used by the proposed approach to generate test cases in which requirements with different types are covered. The proposed approach uses text mining and symbolic execution methodology for test data generation and validation, where a knowledge base is developed for multi-disciplinary domains.
基于需求的测试是一种测试方法,其中测试用例来源于需求。需求代表了软件开发生命周期的初始阶段。需求被认为是任何软件项目的基础。因此,自然语言需求中的任何歧义都会导致接下来的阶段出现重大错误。此外,定义不清的需求可能导致软件项目失败。软件开发模型有瀑布模型、敏捷模型等。在本文中,我们提出了一种新的自动化方法来从需求中生成测试用例。需求可以从不同的模型中收集,无论是瀑布模型(功能性和非功能性)还是敏捷模型。SRS文档、非功能性需求和用户故事被建议的方法解析和使用,以生成测试用例,其中涵盖了不同类型的需求。该方法采用文本挖掘和符号执行方法进行测试数据的生成和验证,建立了多学科领域的知识库。
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引用次数: 20
A survey of techniques for warp scheduling in GPUs gpu中翘曲调度技术综述
S. Sandokji, F. Essa, Mai Fadel
The heterogeneous nature of Graphics processor unit (GPU) - CPU makes it a candidate for coming exascale systems. The cores of GPGPU-which is a cost-effective computing platform-are characterized by long periods of inactive times, which results in the underutilization of the hardware resources. This is due to several factors like the limitation of on-chip memory and register files, the inefficient scheduling mechanisms, and communication bottlenecks GPU - CPU communication. In order to counteract the underutilization of recourses, certain techniques have been proposed. In this research, many architectural and system-level techniques aiming to manage and fully leverage GPU resources are surveyed, compared and evaluated. Also, the significance and challenges of warp scheduler in GPUs are thoroughly discussed. The main purpose of this paper is to provide researchers an insight into warp scheduler techniques for GPUs, as well as motivate them to present more efficient methods for enhance performance via improve thread scheduler in future GPUs.
图形处理器单元(GPU) - CPU的异构特性使其成为即将到来的百亿亿级系统的候选者。gpgpu是一种经济高效的计算平台,它的核心具有长时间不活动的特点,这将导致硬件资源的利用率不足。这是由于几个因素造成的,比如片上内存和寄存器文件的限制,低效的调度机制,以及GPU - CPU通信的通信瓶颈。为了解决资源利用不足的问题,提出了某些技术。在本研究中,对许多旨在管理和充分利用GPU资源的架构和系统级技术进行了调查、比较和评估。同时,深入讨论了warp scheduler在gpu中的意义和挑战。本文的主要目的是为研究人员提供对gpu的warp调度器技术的深入了解,并激励他们在未来的gpu中通过改进线程调度器来提出更有效的方法来提高性能。
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引用次数: 4
How to define and implement diagnosis assistants in tissue-based diagnosis (surgical pathology): A survey 如何定义和实施基于组织的诊断辅助(外科病理学):调查
K. Kayser, S. Borkenfeld, Rita Carvalho, G. Kayser
Digital pathology has started to enter the field of tissue - based diagnosis. It offers several applications, especially assistance in routine surgical pathology (tissue - based diagnosis). Diagnosis assistants are programs that assist the routine diagnosis work of a pathologist. Herein we describe how to appropriate design suitable algorithms. Theory: Tissue - based diagnoses derives from a) image content information, b) clinical history, c) expertise of the pathologist, d) knowledge about the disease. It can be transferred to a statistical decision algorithm (neural network, discriminate analysis, factor analysis, ... ). Image content information: Analysis of image content information (ICI) can contribute to medical diagnosis at different levels. The level depends upon the underlying disease (diagnosis) and the derived potential treatment. Pre - analysis algorithms include a) image standardization (shading, magnification, grey value distribution), and evaluation of regions of interest (ROI). ICI is embedded in three coordinates (texture, object, structure). Analysis of objects and structure require external knowledge (cell, nerve, vessel, tree, man, ... ). Texture is solely pixel - based and independent from external knowledge [1,2]. Algorithms: Stereology, syntactic structure analysis and measurement of object features (area, circumference, moments, ... ) are useful tools in combination with external knowledge and appropriate image standardization. Structure and texture parameters require the definition of neighbourhood (Voronoi, O'Caliaghan). Texture features are based upon algorithms that mimic time series analysis and can contribute to ROI definition and to disease classification [1, 2]. Material: Crude diagnoses have been automatically evaluated by the same algorithm from large sets of histological images comprising different organs (colon, lung, pleura, stomach, thyroid (> 1,000 cases). The trials resulted in a reproducible and correct classification (90 - 98 %). Conclusions: The applied algorithms can be combined to construct efficient diagnosis assistants. They can be extended to assistants of more differentiated diagnoses (inclusion of specific stains, clinical history, etc ... ). They can serve to formulate a general theory of "image information".
数字病理学已开始进入组织诊断领域。它提供了几种应用,特别是在常规外科病理(基于组织的诊断)的帮助。诊断助手是帮助病理学家进行常规诊断工作的程序。本文描述了如何设计合适的算法。理论:基于组织的诊断来源于a)图像内容信息,b)临床病史,c)病理学家的专业知识,d)对疾病的了解。它可以转化为统计决策算法(神经网络、判别分析、因子分析等)。。图像内容信息:对图像内容信息(ICI)的分析有助于不同层次的医学诊断。该水平取决于潜在疾病(诊断)和衍生的潜在治疗。预分析算法包括a)图像标准化(阴影、放大、灰度值分布)和感兴趣区域(ROI)的评估。ICI嵌入在三个坐标中(纹理、对象、结构)。对物体和结构的分析需要外部知识(细胞、神经、血管、树、人……)。纹理完全基于像素,独立于外部知识[1,2]。算法:立体、句法结构分析和物体特征测量(面积、周长、力矩等)是有用的工具,结合外部知识和适当的形象标准化。结构和纹理参数需要邻域的定义(Voronoi, O'Caliaghan)。纹理特征基于模拟时间序列分析的算法,有助于ROI定义和疾病分类[1,2]。材料:通过相同的算法,从包含不同器官(结肠、肺、胸膜、胃、甲状腺)的大组组织学图像中自动评估了粗糙的诊断(约1000例)。试验的结果是可重复和正确的分类(90% - 98%)。结论:应用的算法可以结合起来构建高效的诊断助手。它们可以扩展到辅助更有区别的诊断(包括特定的染色、临床病史等)。。它们可以用来形成“图像信息”的一般理论。
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引用次数: 0
Development of model-based User Interfaces with XML technology 用XML技术开发基于模型的用户界面
Maouane Sayih, Anne Bruggemann-Klein, Lyuben Dimitrov
In the development of multi-platform applications, one of the most challenging activities is the creation of user interfaces (UIs). Prototyping cross-platform UIs require a mixture of creative and programming skills, as well as solid specific domain and device familiarity. Moreover, firm knowledge of a multitude of implementation languages and frameworks, often limited to only a small range of platforms and devices, is required. Model-based user interface development offers a solution that supports multi-platform development and promises to reduce developer's effort and time spent for UI prototyping. This paper provides an approach for model- based user interface development using XML technologies. The approach involves the use of a XML-based user interface description language, combined with extensible stylesheet language transformations for model-to-model and model-to-code transformations. Our main target is XForms, and we intend to use as many XML technologies as possible during the development lifecycle of the graphical user interfaces. In addition, we present a Graphical User Interface (GUI) editor called `uimlBuddy' which encapsulates the approach and facilitates end user development for non-programming professionals.
在多平台应用程序的开发中,最具挑战性的活动之一是创建用户界面(ui)。跨平台ui原型需要创造性和编程技能的结合,以及对特定领域和设备的熟悉程度。此外,还需要对多种实现语言和框架有扎实的了解,通常仅限于一小部分平台和设备。基于模型的用户界面开发提供了一个支持多平台开发的解决方案,并承诺减少开发人员在UI原型上花费的精力和时间。本文提供了一种利用XML技术进行基于模型的用户界面开发的方法。该方法涉及使用基于xml的用户界面描述语言,并结合可扩展的样式表语言转换,用于模型到模型和模型到代码的转换。我们的主要目标是XForms,我们打算在图形用户界面的开发生命周期中使用尽可能多的XML技术。此外,我们还提出了一个图形用户界面(GUI)编辑器,称为“uimlBuddy”,它封装了该方法,并为非编程专业人员的最终用户开发提供了便利。
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引用次数: 1
期刊
2015 IEEE Seventh International Conference on Intelligent Computing and Information Systems (ICICIS)
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