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2012 Sixth International Conference on Complex, Intelligent, and Software Intensive Systems最新文献

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Describing Cloud Use Case in MetaMORP(h)OSY 描述MetaMORP(h)OSY中的云用例
Francesco Moscato, Rocco Aversa, Alba Amato
The increasing complexity of services required by users in Cloud Environments usually needs the definition of composite, value added services (VAS). Usage patterns and Use Cases definitions help in defining VAS, but a way to assure that new services reach the required goals with proper qualitative and quantitative properties has to be provided in order to validate design and implementation of composite services. In this paper the MetaMORP(h)OSY methodology and framework are introduced. The methodology uses Model Driven Engineering and Model Transformation techniques to analyze composite services. Due to the complexity of the systems to analyze, MetaMORP(h)OSY exploits Multi Agent System (MAS) in system definition. The methodology is used in order to define a model for a Use Case of the mosaic project.
在云环境中,用户需要的服务越来越复杂,通常需要定义复合增值服务(VAS)。使用模式和用例定义有助于定义VAS,但是为了验证组合服务的设计和实现,必须提供一种方法来确保新服务达到所需的目标,并具有适当的定性和定量属性。本文介绍了MetaMORP(h)OSY的方法和框架。该方法使用模型驱动工程和模型转换技术来分析组合服务。由于系统分析的复杂性,MetaMORP(h)OSY在系统定义中利用了Multi Agent System (MAS)。使用该方法是为了为马赛克项目的用例定义模型。
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引用次数: 25
CloSe: A Cloud SaaS for Semantic Document Composition 关闭:语义文档组合的云SaaS
F. Amato, A. Mazzeo, N. Mazzocca, Sara Romano
Nowadays a large number of companies world-wide has moved their applications in the cloud, exploiting a lot of types of functions, such as customer relationship management, human resources, accounting and document sharing. In this work we propose "'CloSe"', a cloud system for document composition, which offers editing/composing aiding services by exploiting semantic based technology. Close is the evolution, in cloud technology, of a monolithic system architecture for document processing, based on semantic methodologies, that we have developed in the past years. We intend to migrate our system procedures to the Internet Cloud technology that guarantees several advantages in terms of usability, scalability and fault tolerance. The proposed system will help the users in the process of writing documents, exploiting information and data contained in apposite document bases, collected from heterogeneous sources, in order to suggest proper fragments to be inserted into the document. We have produced a system prototype that realizes semantic retrieval functionalities, in order to assist the specialist and generic user in the document composition aiding activities. Moreover we have reported some experimental results that we have carried out for evaluating the impact of the system on enhancing user effort in composing documents by suggesting appropriate document segments, which encouraged us to extend the system in the cloud.
如今,世界各地的许多公司已经将他们的应用程序迁移到云端,利用了许多类型的功能,如客户关系管理、人力资源、会计和文档共享。在这项工作中,我们提出了“CloSe”,这是一个用于文档合成的云系统,它通过利用基于语义的技术提供编辑/合成辅助服务。Close是我们在过去几年开发的基于语义方法的用于文档处理的单片系统架构在云技术中的演变。我们打算将我们的系统过程迁移到Internet Cloud技术,它保证了在可用性、可伸缩性和容错性方面的几个优势。拟议的系统将帮助用户编写文件,利用从不同来源收集的适当文件库中所载的信息和数据,以便建议在文件中插入适当的片段。我们制作了一个实现语义检索功能的系统原型,以帮助专家和一般用户进行文档合成辅助活动。此外,我们还报告了一些实验结果,我们通过建议适当的文档段来评估系统对增强用户撰写文档的努力的影响,这鼓励我们在云中扩展系统。
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引用次数: 4
Performance Analysis of DSR and DYMO Routing Protocols for VANETs 面向vanet的DSR和DYMO路由协议性能分析
Evjola Spaho, Makoto Ikeda, L. Barolli, F. Xhafa, Vladi Koliçi, M. Takizawa
Wireless networks are continuing to attract attention for their potential use in several fields such as ad-hoc networks, sensor networks, mesh networks, and vehicular networks. Vehicular Ad-hoc networks (VANETs) are expected to be massively deployed in upcoming vehicles, because their use can improve the road safety and comfort. The effective implementation of vehicular communication could improve traffic management system. This effectiveness could be achieved by designing and implementing efficient vehicular network protocols. In this paper, we have implemented two routing protocols: DSR and DYMO and investigated the performance of these routing protocols using PDR and good put metrics. The simulation results shows that DYMO protocol performs better than DSR protocol.
无线网络因其在自组织网络、传感器网络、网状网络和车载网络等多个领域的潜在应用而不断引起人们的关注。车辆自组织网络(vanet)有望在未来的车辆中大规模部署,因为它们的使用可以提高道路安全性和舒适性。车辆通信的有效实施可以改善交通管理系统。这种有效性可以通过设计和实现高效的车载网络协议来实现。在本文中,我们实现了两种路由协议:DSR和DYMO,并使用PDR和good put指标研究了这些路由协议的性能。仿真结果表明,DYMO协议的性能优于DSR协议。
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引用次数: 4
An Approach to Document Warehousing System Lifecyle from Textual ETL to Multidimensional Queries: A Proof-of-Concept Prototype 从文本ETL到多维查询的文档仓库系统生命周期方法:一个概念验证原型
A. Cembalo, F. M. Pisano, G. Romano
For years, businessmen made use of ad-hoc technologies in order to analyze huge amount of data related to the domain of interest, aiming at extracting relevant information to elaborate successful company strategies. Such technologies focused essentially on the structured data. In particular Data Warehousing systems represent the decision support systems on which academia and industry focused their attention. It is believed that "about 80% of the information of any organization is contained in unstructured and semi-structured documents"[1], so limiting the analysis to only the structured data, as it has been done so far, is likely to lose a high percentage of potentially useful knowledge. Since text is the primary mean to disseminate information and knowledge, it is necessary to introduce concepts related to text-oriented Business Intelligent and Document Warehousing systems, which could have many useful applications in industries or large domains. In this paper we present a prototype application of a Document Warehousing system, highlighting challenges and solutions for each phase of its lifecycle. The prototype is related to Security and Prevention domain and it is built with a set of open-source tools whose features and limitations are highlighted. As we currently know, organization and setting of the fundamental elements of a Document Warehouse system lifecycle, are issues which have not been deepened yet. Furthermore until now, we have not find an application of Document Warehousing, which has been implemented integrating the open-source tools which we use to implement our prototype yet.
多年来,商人利用ad-hoc技术来分析与感兴趣领域相关的大量数据,旨在提取相关信息以制定成功的公司战略。这些技术主要关注结构化数据。特别是数据仓库系统代表了学术界和工业界关注的决策支持系统。据认为,“任何组织大约80%的信息都包含在非结构化和半结构化文档中”[1],因此,像目前所做的那样,将分析仅限于结构化数据,可能会失去很大比例的潜在有用知识。由于文本是传播信息和知识的主要手段,因此有必要介绍与面向文本的业务智能和文档仓库系统相关的概念,这些概念可能在工业或大型领域中有许多有用的应用。在本文中,我们提出了一个文档仓库系统的原型应用程序,突出了其生命周期的每个阶段的挑战和解决方案。该原型与安全防护领域相关,使用一组开源工具构建,突出了这些工具的功能和局限性。正如我们目前所知,Document Warehouse系统生命周期的基本元素的组织和设置是尚未深入研究的问题。此外,到目前为止,我们还没有找到一个文档仓库的应用程序,它已经集成了我们用来实现原型的开源工具。
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引用次数: 3
A Tangible Medical Image Processing Assistant with Haptic Modality 具有触觉模态的有形医学图像处理助手
Jiaqing Lin, Hiroaki Nishino, Tsuneo Kagawa, K. Utsumiya
Recently, the progresses of human-computer interface technology implemented on tablet PCs (personal computers) enables medical workers to utilize them for communications between patients and doctors at the time of condition analysis and diagnosis. Because general patients cannot understand medical images alone, the technology assists them to intuitively understand the images and easily communicate with doctors. We propose a tangible medical image processing assistant with haptic modality. Our main goal is to construct a method allowing users to easily interacting and exploring medical images with haptic modality. Diagnostic imaging with a series of CT scan images is very important way for doctors to detect problems. Because the doctors need to view a huge number of high resolution images in a day, excessive burdens on their vision become a very serious problem. We propose a new method of assisting the diagnostic imaging with integrated visual and haptic channels. The proposed method extracts some visual features observed in the images and transforms to haptic parameters. Then, the system visually and haptically notifies the doctors for possible existence of suspicious findings in the images. It calls their attention to focus on the specific images to narrow the differential diagnosis of the images.
近年来,在平板电脑(个人电脑)上实现的人机界面技术的进步,使医务工作者在进行病情分析和诊断时,可以利用平板电脑进行患者与医生之间的交流。由于一般患者无法单独理解医学图像,该技术可以帮助他们直观地理解图像,并轻松与医生沟通。提出了一种具有触觉模式的实体医学图像处理助手。我们的主要目标是构建一种方法,使用户能够轻松地与触觉模态进行交互和探索医学图像。一系列CT扫描图像的诊断成像是医生发现问题的重要途径。由于医生需要在一天内查看大量的高分辨率图像,因此过度的视觉负担成为一个非常严重的问题。我们提出了一种结合视觉和触觉通道辅助诊断成像的新方法。该方法提取图像中观察到的一些视觉特征,并将其转换为触觉参数。然后,系统在视觉和触觉上通知医生图像中可能存在的可疑发现。它呼吁他们的注意力集中在具体的图像,以缩小图像的鉴别诊断。
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引用次数: 1
Development of Hands-On IP Network Construction Practice System Used in Campus Cloud Computing 校园云计算IP网络建设实践系统的开发
N. Iguchi, Yukihiro Kitazawa
The purpose of this study is to give students a hands-on practical learning for IP network skills in campus cloud computing. It is important for students to operate network devices repeatedly to learn network skills. However, in practical learning with real network devices, students need a number of network devices. For this reason, it is not easy for students to prepare environment to be able to practice freely at any time. Therefore, we have developed a hands-on practical learning system to learn IP network skills on general performance PC. Unlike existing network simulators, this system does not require students to learn scripting language to make scenarios. This system enables students to practice network skills freely and virtually on just one PC. We have implemented this system by applying the virtual Linux environment User Mode Linux. This system consists of virtual routers, virtual hosts, and operating functions. This system is primarily intended to practice operation of routing on virtual routers. In this research, we developed new system that was designed on client server model for web services. To evaluate, this system was experimented. The results indicated that this system had sufficient performance for introductory network courses for undergraduate students.
本研究的目的是为学生提供校园云计算中IP网络技能的动手实践学习。学生反复操作网络设备是学习网络技能的重要途径。然而,在使用真实网络设备的实际学习中,学生需要使用多个网络设备。因此,为学生准备一个可以随时自由练习的环境是不容易的。因此,我们开发了一个动手实践学习系统,在通用性能PC上学习IP网络技能。与现有的网络模拟器不同,该系统不需要学生学习脚本语言来制作场景。该系统使学生能够在一台电脑上自由地、虚拟地练习网络技能。本系统采用虚拟Linux环境User Mode Linux实现。该系统由虚拟路由器、虚拟主机和操作功能组成。本系统主要用于在虚拟路由器上练习路由的操作。在本研究中,我们开发了一个基于客户端服务器模型的web服务系统。为了进行评价,对该系统进行了实验。结果表明,该系统在本科网络导论课程中具有较好的性能。
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引用次数: 3
An Event-Based Approach to Support A3: Anytime, Anywhere, Awareness in Online Learning Teams 基于事件的方法支持A3:随时随地在线学习团队的意识
Xavier Rivadulla, F. Xhafa, S. Caballé
With the fast development in mobile technologies and ever-increasing use of smart phones in everyday activity, researchers and developers are paying attention to exploit the advantages of mobile systems to support online teams. One important advantage would-be to implement the A3 paradigm: Anytime, Anywhere, Awareness, that is notifying users about ongoing activity in their online workspace. However, due to the computational limitation of mobile devices, the extension of web-based systems to systems that support also mobile clients require specific design and implementation to make the system usable, efficient and scalable. In this work we present an event-based approach to extend web-based applications to support Anytime, Anywhere, Awareness in Online Teams. It should be noted that the A3 paradigm is meant not only as informing channel but also for social support and scaffolding. The key feature here is the definition of events linked to state changes of the objects in the common workspace. The events are then processed and send to mobile clients for consumption. We present the main requirement analysis, the building blocks of the architecture for efficient event management and the prototype implementation.
随着移动技术的快速发展和智能手机在日常活动中的使用越来越多,研究人员和开发人员开始关注利用移动系统的优势来支持在线团队。实现A3范例的一个重要优势是:随时随地、随时随地、随时知晓,即通知用户在线工作空间中正在进行的活动。然而,由于移动设备的计算限制,将基于web的系统扩展到支持移动客户端的系统需要特定的设计和实现,以使系统可用、高效和可扩展。在这项工作中,我们提出了一种基于事件的方法来扩展基于web的应用程序,以支持在线团队中的随时随地感知。值得注意的是,A3模式不仅意味着信息渠道,而且意味着社会支持和脚手架。这里的关键特性是与公共工作区中对象的状态更改相关联的事件的定义。然后处理事件并将其发送到移动客户端以供使用。给出了主要的需求分析、高效事件管理体系结构的构建模块和原型实现。
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引用次数: 4
Tuning of Operators in Memetic Algorithms for Independent Batch Scheduling in Computational Grids 计算网格中独立批调度模因算法算子的调优
F. Xhafa, Bernat Duran, L. Barolli, Vladi Koliçi, Rozeta Miho, M. Takizawa
Efficient scheduling of jobs to resources is a core service of Computational Grids (CGs). Due to the large scale, the dynamic nature and the highly heterogeneous tasks and resources, scheduling is a challenging problem in CGs. Different methods, from simple heuristics to more sophisticated optimization and artificial intelligence techniques, have been for a while now in the research and development agenda of researchers of the Grid computing community. One family of algorithms that represent interest is that of Memetic Algorithms (MAs), a variant of evolutionary algorithms that combines genetic search with local search. In this paper we present a study on the tuning of the operators in MAs for the problem of Independent Batch Scheduling in Computational Grids. The aim is to identify a combination of operators and parameters that would lead to the design of robust Grid schedulers using MA solvers that compute high quality planning in very short times. For the study, we have used both a static benchmark of instances and a Grid simulator to capture realistic features of real Computational Grids.
作业对资源的高效调度是计算网格(CGs)的核心服务。由于集群的大规模、动态性以及任务和资源的高度异构性,调度是集群中的一个具有挑战性的问题。不同的方法,从简单的启发式到更复杂的优化和人工智能技术,已经在网格计算社区的研究人员的研究和开发议程中存在了一段时间。代表兴趣的一类算法是模因算法(Memetic algorithms, MAs),它是进化算法的一种变体,将遗传搜索与局部搜索相结合。本文研究了计算网格中独立批调度问题中MAs算子的调优问题。其目的是确定操作符和参数的组合,这将导致使用在很短时间内计算高质量规划的MA求解器设计健壮的网格调度程序。在这项研究中,我们使用了实例的静态基准和网格模拟器来捕捉真实计算网格的真实特征。
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引用次数: 1
Molecular Identification of a Unique Heparin Binding Motif Derived from Human RNase3 人RNase3中肝素结合基序的分子鉴定
Ping-Hsueh Kuo, Chien-Jung Chen, Pei-Chun Lien, Hsiu-Hui Chang, Shun-lung Fang, M. Chang, Tun-Wen Pai
Human ribonuclease A (hRNaseA) super family members have similar biological functions such as catalytic activities against specific RNA substrates. However, these enzymes with high sequence similarity may exhibit divergent physiological functions other than RNase activity, for example, angio genesis and innate immunity. In our investigation, a novel heparin-binding motif (HBM), RWRCK, identified from hRNase3 contributed to specific protein-heparin/heparan sulfate (HS) interaction. Based on this core HBM sequence, a 10-amino acid heparin binding peptide (HBPRNase3), NYRWRCKNQN, has been designed and characterized. Employing Clustal W2 and Uniprot Blastn program, such HBP pattern is found to be conserved in human and higher primates. Multiple sequence alignment of 13 members of human RNase A family reveals that HBP regions in hRNase2 and hRNase8 share 80% and 50% sequence identity to HBPRNase3, but the corresponding sequences of Gorilla and Pan troglodytes RNase3 are 100% identical, strongly suggesting that HBPRNase3 is conserved in higher primates along with species evolution. Interestingly, the putative HBPRNase2, NYQRRCKNQN, shows much lower heparin binding activity than HBPRNase3. In summary, HBPRNase3 is not a conserved motif in RNaseA superfamily, but it is a unique motif presenting in higher primates to play a crucial role in molecular interaction to heparin and HS.
人核糖核酸酶A (hRNaseA)超级家族成员具有类似的生物学功能,如对特定RNA底物的催化活性。然而,这些具有高序列相似性的酶可能表现出不同于RNase活性的生理功能,例如血管生成和先天免疫。在我们的研究中,一个新的肝素结合基序(HBM) RWRCK,从hRNase3中鉴定出来,参与了特定的蛋白-肝素/硫酸肝素(HS)相互作用。基于该核心HBM序列,设计并表征了一个10个氨基酸的肝素结合肽(HBPRNase3) NYRWRCKNQN。利用Clustal W2和Uniprot Blastn程序,发现这种HBP模式在人类和高等灵长类动物中是保守的。对人类RNase A家族13个成员的多次序列比对发现,hRNase2和hRNase8的HBP区域与HBPRNase3的序列同源性分别为80%和50%,而大猩猩和类人猿RNase3的序列同源性为100%,强烈提示HBPRNase3在高等灵长类动物中随着物种进化具有保守性。有趣的是,假设的HBPRNase2, NYQRRCKNQN,显示出比HBPRNase3低得多的肝素结合活性。综上所述,HBPRNase3不是RNaseA超家族中的保守基序,但它是高等灵长类动物中存在的独特基序,在肝素和HS的分子相互作用中起着至关重要的作用。
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引用次数: 0
Customizing Rational Unified Process in a Systems Integration Scenario 在系统集成场景中定制Rational统一过程
E. Lice, M. Biba
This paper presents a customization of the Rational Unified Process (RUP) in a systems integration scenario in a large telecommunication company. The purpose of congregating existing systems is to leverage greater benefits from the company'scomputer systems. RUP has been chosen as the software development process due to its strong focus on promoting the fulfillment of the needs of end-users, while all along increasing chances that the process be delivered within an estimated schedule and budget. However, despite the undisputed interest in RUP, there is a gap in the total amount of empirical studies on the adoption and introduction of RUP in the context of specific project types. Moreover, there is little research in investigating and adopting RUP in system integration scenarios. In this paper we investigate the right process-level of RUP to be applied to the systems integration project in a real world business scenario. In addition we evaluate the suitability of RUP for this project'scontext. Evaluation results present advantages and disadvantages of using RUP in projects of the type described here while areas of future work are identified and presented.
本文展示了一个大型电信公司系统集成场景中的Rational统一过程(RUP)的定制。集合现有系统的目的是从公司的计算机系统中获得更大的利益。选择RUP作为软件开发过程,是因为它强烈地关注于促进最终用户需求的实现,同时增加了在估计的时间表和预算内交付过程的机会。然而,尽管对RUP有无可争议的兴趣,但是在具体项目类型的背景下,在采用和引入RUP的经验研究的总量上还是有差距的。此外,在系统集成场景中调查和采用RUP的研究很少。在本文中,我们研究了将RUP的正确过程级别应用于真实世界业务场景中的系统集成项目。另外,我们评估RUP对项目环境的适用性。评估结果显示了在这里描述的类型的项目中使用RUP的优点和缺点,同时确定并展示了未来工作的领域。
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引用次数: 2
期刊
2012 Sixth International Conference on Complex, Intelligent, and Software Intensive Systems
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