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2015 IEEE 12th International Conference on e-Business Engineering最新文献

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Dynamic Service Scheduling in Cloud Computing Using a Novel Hybrid Algorithm 基于混合算法的云计算动态服务调度
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.51
Helan Liang, Yingwu Zhang, Yanhua Du
Dynamic service scheduling is a challenging problem to the high-efficient implementation of service based business applications. Recent researches on dynamic service scheduling mostly focus on the service allocation, but they seldom optimize the timetable which defines the starting time of each service instance, and the existing methods proposed are time-consuming and with low calculation precision. In this paper, a novel hybrid algorithm for dynamic service scheduling is proposed. Our algorithm can improve the service allocation by the knowledge from self-learning and social learning and make the timetable more properly by reducing idle time of services. Experimental results show our algorithm can solve the dynamic service scheduling problem more precisely and with less execution time than the existing works.
动态服务调度是实现基于服务的业务应用程序的一个具有挑战性的问题。目前对动态服务调度的研究主要集中在服务分配问题上,但很少对时间表进行优化,该时间表定义了每个服务实例的开始时间,现有的方法耗时长,计算精度低。提出了一种新的用于动态服务调度的混合算法。该算法利用自学习和社会学习的知识来改进服务分配,并通过减少服务空闲时间来制定更合理的时间表。实验结果表明,与现有算法相比,该算法可以更精确地解决动态服务调度问题,且执行时间更短。
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引用次数: 1
An Evolutionary Game Approach on IoT Service Selection for Balancing Device Energy Consumption 基于设备能耗平衡的物联网服务选择演化博弈方法
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.63
Jun Na, Kwei-Jay Lin, Zhenqiu Huang, S. Zhou
Internet of Things (IoT) services are becoming a popular class of services. Compared to traditional pure software-based services, IoT services are deployed on and constrained by devices in physical environments. Interruption of an IoT service may be caused by energy failure of its host device. Balancing energy consumption of all devices in outdoor settings is desirable to maximize the system lifetime. In this paper, we present an evolutionary game approach to service selection for multiple IoT applications. Different from centralized and pre-execution service selection methods, the approach avoids congregation on certain devices by using a global view of competitions and interactions for service selections in all concurrent applications. Our simulation results show that the proposed service selection approach can evenly distribute energy consumption across all IoT devices and extend the overall system lifetime.
物联网(IoT)服务正在成为一种流行的服务类别。与传统的纯软件服务相比,物联网服务部署在物理环境中的设备上并受其约束。物联网服务中断可能是由于其主机设备能量故障导致的。平衡室外环境中所有设备的能耗,以最大限度地延长系统寿命。在本文中,我们提出了一种进化博弈方法,用于多种物联网应用的服务选择。与集中式和预执行服务选择方法不同,该方法通过在所有并发应用程序中使用竞争和交互的全局视图来进行服务选择,从而避免了在某些设备上的聚集。仿真结果表明,所提出的服务选择方法可以均匀地分配所有物联网设备的能耗,并延长整个系统的使用寿命。
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引用次数: 17
Semantic Document Exchange for E-Business: Trends and Issues 面向电子商务的语义文档交换:趋势和问题
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.33
Guangyi Xiao, J. Guo, Zhiguo Gong, Renfa Li
In e-marketplace, semantic document exchange is a methodology of providing exchangeable semantic documents, which ensures document writer, writer's computer, reader's computer and document reader to share a same understanding in meaning on any exchanged document, that is, a semantic document is exchangeable across any heterogeneous contexts. Existing methodologies for semantic document exchange, in general, can be categorized in three tracks such as document standardization, ontology engineering, and collaborative document engineering. This paper explores challenging trends and issues for semantic document exchange in e-business.
在电子市场中,语义文档交换是一种提供可交换的语义文档的方法,它确保文档作者、作者的计算机、读者的计算机和文档读者在任何交换的文档上共享相同的意义理解,即语义文档在任何异构上下文中都是可交换的。一般来说,现有的语义文档交换方法可以分为三个方面:文档标准化、本体工程和协作文档工程。本文探讨了电子商务中语义文档交换的挑战趋势和问题。
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引用次数: 9
Optimization Techniques to Speed Up the Page Loading in Custom Web Browsers 加速自定义Web浏览器页面加载的优化技术
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.12
José Losada, J. Raposo, A. Pan, Paula Montoto, M. Álvarez
Web automation applications are widely used for different purposes such as B2B integration, web mashups, automated testing of web applications, Internet metasearch or technology and business watch. One crucial part in intensive web automation applications, that require real time responses, is for them to execute the navigation sequences in the shortest possible time. The approach of building the automatic web navigation component by using the APIs of conventional browsers, followed by most of the current systems, is not appropriate in that scenario, because it presents performance problems. Other approach consist in creating custom browsers specially designed for web automation, which can develop some improvements based in the peculiarities of the web automation tasks. In this work, we present a new set of techniques and algorithms that allow the parallel evaluation of the scripting code when a custom browser loads a web page. We also outline the components that should be included in the custom browser architecture to implement these techniques. The tests executed with real web sources, to evaluate the validity of our proposal, show that a custom web browser loads the web pages faster when the scripts are executed in parallel using the designed techniques.
Web自动化应用程序被广泛用于不同的目的,如B2B集成、Web混搭、Web应用程序的自动化测试、互联网元搜索或技术和商业观察。在需要实时响应的密集web自动化应用程序中,一个关键部分是让它们在尽可能短的时间内执行导航序列。通过使用传统浏览器的api来构建自动web导航组件的方法,以及大多数当前系统所遵循的方法,在这种情况下是不合适的,因为它存在性能问题。其他方法包括创建专门为web自动化设计的自定义浏览器,它可以根据web自动化任务的特性进行一些改进。在这项工作中,我们提出了一套新的技术和算法,允许在自定义浏览器加载网页时并行评估脚本代码。我们还概述了应该包含在自定义浏览器体系结构中以实现这些技术的组件。为了评估我们建议的有效性,使用真实web源执行的测试表明,当使用设计的技术并行执行脚本时,自定义web浏览器加载网页的速度更快。
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引用次数: 3
A Semantic Driven Approach for an Automated Composition Based on Abstract Services 基于抽象服务的自动组合语义驱动方法
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.32
Emna Fki, S. Tazi, M. Jmaiel
With the growth of the number of Web services published over Internet, identifying composite services by taking into account both functional and non-functional requirements of end users has become a real challenge that needs to be addressed. This challenge is aggravated in the case of situations requiring adaptation to user context. To overcome these challenges, we propose a solution that enables a certain flexibility and adaptability without having to deal with composition from scratch at runtime. Our approach consists in generating automatically a composition schema at the abstract service level. The design-time components of our solution are OWL-S abstract services that are used within the composition process for deriving different composition possibilities and for reducing the difficulty of the tasks of discovery and selection of the actual Web services. This mechanism relies also on a specification of user requirements structured as intentions graph.
随着Internet上发布的Web服务数量的增长,通过考虑最终用户的功能和非功能需求来识别组合服务已经成为一个需要解决的真正挑战。在需要适应用户上下文的情况下,这一挑战更加严重。为了克服这些挑战,我们提出了一种解决方案,它可以实现一定的灵活性和适应性,而不必在运行时从头开始处理组合。我们的方法包括在抽象服务级别自动生成组合模式。我们的解决方案的设计时组件是在组合过程中使用的OWL-S抽象服务,用于派生不同的组合可能性,并降低发现和选择实际Web服务的任务的难度。这种机制还依赖于用户需求的规范,以意图图的形式结构化。
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引用次数: 3
Resource Reallocation Based on SLA Requirement in Cloud Environment 云环境下基于SLA需求的资源再分配
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.70
Jen-Hsiang Chen, Chen-Fang Tsai, Shin-Li Lu, Fahmida Abedin
Service Level Agreement (SLA) in cloud service provides quality and responsibility for both Datacenter providers and customers. If a customer's required task is processed delayed then penalty of SLA violation are generated due to this shortage of resource allocation. The virtual machines (VMs) in lower utilization host or over utilization host will be migrated to the suitable hosts in an attempt to reduce delays in task processing and avoid SLA violation. Control chart is applied for monitoring the host performance form utilization perspective. We propose a mechanism to evaluate resource reallocation and identify which of these VMs can match an appropriate host based on economic of the cost and SLA violation penalty. The proposed approach is applied on a case study in which tasks are submitted sequentially by the constant schedule interval and cloud resource allocation is constantly gets evaluated.
云服务中的服务水平协议(SLA)为数据中心提供商和客户提供了质量和责任。如果客户所需的任务被延迟处理,则由于资源分配不足而产生违反SLA的处罚。将利用率较低或过高的虚拟机迁移到合适的主机上,以减少任务处理的延迟,避免违反SLA。控制图用于从利用率的角度监视主机性能。我们提出了一种评估资源重新分配的机制,并根据成本的经济性和违反SLA的惩罚来确定哪些虚拟机可以匹配合适的主机。将该方法应用于一个以恒定调度间隔顺序提交任务并不断评估云资源分配的案例研究。
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引用次数: 5
A Bottom-Up Approach for BOM Generation and Its Application in Mass Customization 自底向上的BOM生成方法及其在大规模定制中的应用
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.65
Tian Chen, Hongming Cai, Boyi Xu, Fenglin Bu
Complex product development faces huge amount of components with complex structure and dynamic changes in product lifecycle, which is a key challenge in mass customization. This paper addresses this issue by providing a product configuration solution based on bill of materials (BOM): First, conceptual objects with flexible structure and unified identifier (UID) in 2d-code form are built to represent business entities. Second, the relations among the instances of the conceptual objects are analyzed to dynamically generate BOM in different lifecycle phase, which is the product configuration view. Third, quality information monitoring and completeness check can be achieved based on BOM structure. Finally, a prototype system for aircraft manufacturing is built, which supports requirement change and quality management in the whole product lifecycle.
复杂产品开发面临着数量庞大、结构复杂的部件和产品生命周期的动态变化,这是大规模定制的关键挑战。本文通过提供基于物料清单(bill of materials, BOM)的产品配置解决方案来解决这一问题:首先,构建具有灵活结构和统一标识符(UID)的2d-code形式的概念对象来表示业务实体;其次,分析概念对象实例之间的关系,动态生成不同生命周期阶段的BOM,即产品配置视图;第三,基于BOM结构实现质量信息监控和完整性检查。最后,构建了飞机制造的原型系统,支持产品全生命周期的需求变更和质量管理。
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引用次数: 1
Responding to Subjective Changes of Customer Requirements in Dynamic Service Execution Environment 在动态服务执行环境中应对顾客需求的主观变化
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.29
Nan Jing, Zhongjie Wang, Xiaofei Xu
When a customer uses a service, he might change his initial requirement due to subjective reasons that could not be predicated by service providers. If this happened, service providers need to adjust the current service solution to adapt the new requirement with the objective of minimizing the change amplitude and cost. Placing this problem into AI-planning based service composition (PSC) scenario, we present two approaches called global re-planning algorithms (RP) and local reinforcement algorithm (LR). RP constructs a virtual requirement according to the composite service's current execution state and the changed expectation, and invokes PSC algorithm to look for a new solution. A price-rewritten mechanism is used as a heuristic during the re-planning to preferentially reuse those services existing in current solution. In terms of six basic types of requirement changes, LR attempts to make minor repairs to the current composite service to adapt to the new requirement and minimize the change amplitude of the solution. In the experiments, the efficiency, variation cost and amplitude of RP and LR are compared, and how the performance metrics are affected by other factors is preliminarily validated.
当客户使用服务时,他可能会由于服务提供者无法预测的主观原因而改变其初始需求。如果发生这种情况,服务提供商需要调整当前的服务解决方案以适应新的需求,目标是最小化变化幅度和成本。将该问题置于基于人工智能规划的服务组合(PSC)场景中,我们提出了两种方法,称为全局重新规划算法(RP)和局部强化算法(LR)。RP根据组合服务的当前执行状态和变化后的期望构造虚拟需求,并调用PSC算法寻找新的解决方案。在重新规划期间,使用价格重写机制作为启发式方法,优先重用当前解决方案中存在的服务。就六种基本类型的需求变化而言,劳氏试图对当前的复合服务进行小的修复,以适应新的需求,并尽量减少解决方案的变化幅度。在实验中,比较了RP和LR的效率、变化成本和幅度,并初步验证了其他因素对性能指标的影响。
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引用次数: 0
Analyzing Multi-tenant Cloud Services' Accountability 分析多租户云服务的责任
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.48
Fatma Masmoudi, M. Sellami, M. Loulou, A. Kacem
Analyzing accountability violations and identifying the guilty party is a challenging process especially where multiple tenants are hosted by a single application instance. To handle this issue, we propose an approach for accountability violation analysis. It is based on service patterns as an abstract model to provide reusable and suitable description of the different characteristics of the analysis process, and an algorithm for pattern selection and instantiation. Furthermore, we propose a middleware layer for implementing our approach on the top of application level.
分析问责性违规并确定有罪方是一个具有挑战性的过程,特别是在单个应用程序实例托管多个租户的情况下。针对这一问题,我们提出了一种问责违规分析方法。它以服务模式为抽象模型,为分析过程的不同特征提供可重用和合适的描述,并提供模式选择和实例化的算法。此外,我们提出了一个中间件层,用于在应用程序层的顶部实现我们的方法。
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引用次数: 3
EWMA Control Charts for Statistical Detecting QoS Violations 用于QoS违规统计检测的EWMA控制图
Pub Date : 2015-10-23 DOI: 10.1109/ICEBE.2015.41
Shin-Li Lu, Chen-Fang Tsai, Jen-Hsiang Chen
A simple statistical approach based on exponentially weighted moving average (EWMA) charts for monitoring quality of service (QoS) violations is presented in this paper. The monitoring is performed by checking the actual services performance against the QoS stated in Service Level Agreement (SLA). Our approach monitors their QoS attributes and reveals early forecasts of violations in customers' demands. We verified the CUSUM and EWMA charts by utilizing several experiments and runtime data series from CLOUDSIM web services and validated our approach using a series of datasets from real-world web services.
提出了一种基于指数加权移动平均(EWMA)图的服务质量(QoS)违规监测的简单统计方法。监控通过对照服务水平协议(SLA)中规定的QoS检查实际服务性能来执行。我们的方法监控他们的QoS属性,并揭示客户需求违规的早期预测。我们通过使用来自CLOUDSIM web服务的几个实验和运行时数据系列验证了CUSUM和EWMA图表,并使用来自真实web服务的一系列数据集验证了我们的方法。
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引用次数: 0
期刊
2015 IEEE 12th International Conference on e-Business Engineering
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