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QoS of Web Services Architecture Web服务体系结构的QoS
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2833079
M. S. Das, A. Govardhan, D. Lakshmi
This paper, web services architectures gives a compatible and scalable structure for web service interactions. The rapid development of web services and applications in various domains such as B2B, e-commerce, banking has led to the best quest for design in a QoS of web service architecture that can meet industry standards. Organizations to design and develop a best suitable QoS web service architecture to meet the industry demands various QoS web service parameters, reliable, quick services required for access the web services. In this paper we proposed a modified 3-tier architecture with a new component quality service manager that can fall in the core layer (i.e middle ware technology). This new component is concerned with the most important QoS parameters such as availability, reliability, adaptability, performance, response time, security and integrity. As a case study we have taken multimedia application and infrastructural components in multimedia applications. The improved quality parameters such as bandwidth, and access time, throughput by using round robin algorithm in the web server interface applications/services. We proposed this new architecture that would help the organizations in best possible QoS service architecture solutions
在本文中,web服务体系结构为web服务交互提供了一个兼容且可扩展的结构。web服务和应用程序在诸如B2B、电子商务、银行等各个领域的快速发展,导致了对能够满足行业标准的web服务体系结构的QoS设计的最佳追求。组织设计和开发最适合QoS的web服务体系结构,以满足行业对各种QoS web服务参数的需求,实现可靠、快捷的服务访问所需的web服务。在本文中,我们提出了一个改进的三层体系结构,其中包含一个新的组件质量服务管理器,该管理器可以位于核心层(即中间件技术)。这个新组件关注最重要的QoS参数,如可用性、可靠性、适应性、性能、响应时间、安全性和完整性。本文以多媒体应用程序和多媒体应用程序中的基础组件为例进行了研究。在web服务器接口应用/服务中使用轮询算法提高了带宽、访问时间、吞吐量等质量参数。我们提出了这个新的体系结构,它将帮助组织提供最佳的QoS服务体系结构解决方案
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引用次数: 5
Effect of various parameters on delaminated actuators with piezo-beams 不同参数对压电梁分层作动器的影响
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2833048
M. Ouali, Adel Zemirline, A. Mahieddine
Several researches treated last years the introduction of the piezoelectric actuators in the engineering domains, and studied its behaviors under the effect of many parameters. A bimorph beam made of two piezoelectric layers with a delamination zone between them is studied using the FOSDT (First Order Shear Deformation Theory), the F. E. M. to modeling the problem, the obtained equation of motion are solved using Newmark method and Matlab to establish the calculations. A piezoelectric actuator made of a PVDF bimorph beam, and subjected to a delamination zone between its upper and lower layers is considered to study the influence of several parameters. Like the changes of the ambient temperature, the structural damping coefficient and some geometrical parameters. Using the FOSDT to model the axial and vertical displacements of this actuator, we used the F.E.M. method to discretize the beam. The delaminated beam presents more actuation than the perfectly bonded one.
近年来已有研究将压电作动器引入工程领域,研究了其在多种参数影响下的性能。采用一阶剪切变形理论(FOSDT)、有限元法对具有分层带的两压电层构成的双晶型梁进行了建模,利用Newmark方法对得到的运动方程进行了求解,并用Matlab进行了计算。以PVDF双晶束为材料,在上下两层之间存在脱层带的情况下,研究了多个参数对压电致动器性能的影响。如环境温度的变化,结构阻尼系数和一些几何参数的变化。利用FOSDT对该作动器的轴向和垂直位移进行建模,采用有限元法对梁进行离散化。分层梁比完全粘结梁具有更强的致动性。
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引用次数: 0
Strategic Application of Software Process Model to Optimize Business Intelligence Results 软件过程模型在优化商业智能结果中的战略应用
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2833053
V. Radhakrishna, G. R. Kumar, Shadi A. Aljawarneh
Organizations across various sectors such as banking, automotive, energy and utilities or any other industry are strongly dependent on the analytics platform to arrive on their business decisions. Analytics has evolved as a major area and has been significantly helping organizations from years to get profitable business results. Organizations are now employing Business Intelligence tools and techniques to analyze their large complex volumes of data. Even though analytic tools and techniques are employed still many organizations are failing to come up with the right business decisions. This is because either they do not have the proper process model or they do not use a systematic process model for decision making. According to Gartner, on average sixty percent of the organizations are still not able to make fruitful decisions due to various factors like, data quality issues, lack of careful consideration of components involved, skill shortage to name a few. In this paper, we consider the software process, which is one of the key factors and show how a software process model may be applied to Business Intelligence process by defining the entire BI process as a two stage software component process model which internally involves other components. For this purpose, we have defined two software process component models for the entire BI process. We also emphasize all the key considerations that need to be followed to achieve successful BI results. We throw light on how the sequential iteration phase can be applied at each component level. This model serves as a prototype for the future BI projects which can benefit organizations and top decision makers in making quality decisions.
银行、汽车、能源、公用事业或任何其他行业的组织都强烈依赖分析平台来做出业务决策。分析已经发展成为一个主要领域,多年来一直在帮助组织获得有利可图的业务结果。组织现在正在使用商业智能工具和技术来分析大量复杂的数据。即使使用了分析工具和技术,许多组织仍然无法提出正确的业务决策。这是因为要么他们没有适当的过程模型,要么他们没有使用系统的过程模型进行决策。根据Gartner的数据,平均有60%的组织仍然无法做出富有成效的决策,原因包括数据质量问题、缺乏对所涉及组件的仔细考虑、技能短缺等等。在本文中,我们考虑了软件过程,这是关键因素之一,并通过将整个BI过程定义为内部涉及其他组件的两阶段软件组件过程模型,展示了软件过程模型如何应用于商业智能过程。为此,我们为整个BI流程定义了两个软件流程组件模型。我们还强调了实现成功的BI结果需要遵循的所有关键考虑因素。我们阐明了如何在每个组件级别上应用顺序迭代阶段。该模型可以作为未来BI项目的原型,使组织和高层决策者在做出质量决策时受益。
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引用次数: 15
Dynamics of multibody systems: Cutting glass plates by a redundant robot with a tool head in diamond 多体系统动力学:金刚石中带刀头的冗余机器人切割玻璃板
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2833052
Osmani El Hadi, Ouali Mohammed, Benhedna Abdellah
Since revolution industrial, a discipline marked a changing technological world, it is robotics. The advent of robots in the industry has helped alleviate human repetitive and difficult work, and this with greater efficiency and precision. Modeling is an important step in the field of robotics. There are several types: geometric, kinematic and dynamic. These models facilitate the design and the robot controller, optimize the planning of the trajectory, and save time and money To this end, the project is modeler a redundant robot SCARA type wearing a diamond tool head for cutting glass plates. The use of a redundant robot has offered a range of possible kinematic and dynamic configurations, who can gave the possibility of an optimization work to determine the configuration that requires less energy and allows the robot to do its work in the best conditions and in a reduced time.
自从工业革命以来,一门学科标志着技术世界的变化,它就是机器人。工业中机器人的出现帮助减轻了人类重复和困难的工作,而且效率和精度更高。建模是机器人领域的一个重要步骤。有几种类型:几何、运动和动态。这些模型方便了机器人控制器的设计,优化了轨迹的规划,节省了时间和金钱。为此,本项目是建模一个冗余的SCARA型机器人,佩戴一个切割玻璃板的金刚石工具头。冗余机器人的使用提供了一系列可能的运动学和动力学构型,这些构型可以提供优化工作的可能性,以确定需要较少能量的构型,并使机器人在最佳条件下以最短的时间完成工作。
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引用次数: 1
Performance Comparison of PHP-ASP Web Applications via Database Queries 基于数据库查询的PHP-ASP Web应用程序性能比较
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2833054
Yener Sönmez, O. Bayat, Tugce Balli Altuglu, A. Duru
In the concept of the study, an empirical comparison of PHP and ASP technologies are performed. The comparison is based on the execution speed of three simple scripts. In the first phase, ASP and PHP are compared using a script that contains a for loop. Several iterations are performed starting from ten thousand to ten million and execution times are measured. Each experiment has been used for 10 times and average values of execution speed are computed. In the second phase, execution speed of PHP-MySQL and ASP-MSSQL combinations are compared. An "insert" and a "select" query using a single database table are used in a for loop. Minimum Iteration number is selected as 100 while the maximum was set to 100000 for "insert" and one million for "select" queries. It was observed that PHP-MySQL combination may have a better performance than ASP.net-MSSQL Server, in the case of both SQL queries.
在本研究的概念中,对PHP和ASP技术进行了实证比较。比较基于三个简单脚本的执行速度。在第一阶段,使用包含for循环的脚本比较ASP和PHP。从1万次到1千万次执行几个迭代,并测量执行时间。每个实验进行了10次,计算了执行速度的平均值。第二阶段,比较PHP-MySQL和ASP-MSSQL组合的执行速度。使用单个数据库表的“插入”和“选择”查询在for循环中使用。最小迭代数被选择为100,而“插入”查询的最大值被设置为100000,“选择”查询的最大值被设置为100万。在两种SQL查询的情况下,我们观察到PHP-MySQL组合可能比ASP.net-MSSQL Server具有更好的性能。
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引用次数: 5
An algorithm for constructing XML Schema documents from relational databases 从关系数据库构造XML Schema文档的算法
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2833007
Abdelsalam M. Maatuk, M. A. Ali, Shadi A. Aljawarneh
The aim of this paper is to present a solution to automatically generate an XML schema from an existing relational database (RDB). The important goal of this translation is to enriching the source schema using semantics that might have not been clearly expressed in it, by acquiring as much information as possible about objects and relationships that exist among them. The next step is to produce an enhanced meta data model, which captures essential characteristics of target XML schema, and is suitable for translation. In details, we present translations of all constructs of an RDB into an XML Schema and integrated these into an algorithm. This process is to simplify exchange of data between different databases, practically the import of data of RDBs into XML documents. A prototype has been developed to realize the algorithm and generate target schema. To validate our proposal, we present experimental results using both schemas. The results show that the proposed algorithm is correct.
本文的目的是提供一种从现有关系数据库(RDB)自动生成XML模式的解决方案。这种转换的重要目标是通过获取尽可能多的关于对象和它们之间存在的关系的信息,利用源模式中可能没有明确表达的语义来丰富源模式。下一步是生成一个增强的元数据模型,该模型捕获目标XML模式的基本特征,并且适合于翻译。详细地说,我们将RDB的所有构造转换为XML Schema,并将其集成到一个算法中。这个过程是为了简化不同数据库之间的数据交换,实际上是将rdb的数据导入XML文档。开发了一个原型来实现该算法并生成目标模式。为了验证我们的建议,我们给出了使用这两种模式的实验结果。结果表明,该算法是正确的。
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引用次数: 27
Design and Analysis of Novel Kernel Measure for Software Fault Localization 新型软件故障定位核测度的设计与分析
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2833042
V. Radhakrishna
The problem of software fault localization may be viewed as an approach for finding hidden faults or bugs in the existing program codes which are syntactically correct and give fault free output for some input instances but fail for all other input instances. Some of the reasons include logical errors, wrong interpretation of specification, coding errors. Finding such faults is not possible sometimes with the help of compilers. This is where the necessity and significance of software fault localization stems out. The main contribution for this work is to first introduce the block hit-miss function which relates block vectors of execution sequences of software code over sample runs performed and the decision vector which denotes fault or error free output. The similarity measure is applied to the block vector and decision vectors as input and the pair with maximum similarity is considered as faulty block.
软件故障定位问题可以看作是一种寻找现有程序代码中隐藏的错误或错误的方法,这些错误或错误在语法上是正确的,并且对某些输入实例给出了无故障输出,但对所有其他输入实例都失败了。其中一些原因包括逻辑错误、规范解释错误、编码错误。有时在编译器的帮助下是不可能发现这些错误的。这就是软件故障定位的必要性和意义所在。这项工作的主要贡献是首先引入块命中缺失函数,该函数将软件代码执行序列的块向量与表示故障或无错误输出的决策向量联系起来。对块向量和决策向量进行相似度度量,将相似度最大的对作为故障块。
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引用次数: 21
A Broadband Characterization of BaM Thin Film using Coplanar Line 用共面线表征BaM薄膜的宽带特性
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2833005
Z. Zerrougui
The passive microwave and millimeter wave components based on ferrite as isolators and circulators are non-reciprocal devices. The main objective of this work is to study the magnetic properties of BaM ferrite. The permeability tensor is the most important parameter, because it governs the interaction between the electromagnetic wave and the material, and is thus the origin of all magnetic phenomenons. Thin films of BaM are characterized over a frequency range of 0.4 GHz to 65 GHz. The work shows the presence of a gyroresonance phenomenon and locates the resonance frequencies. The technique is based on S parameter measurements. Polder's model is used to calculate the different elements of the permeability tensor, which consider the ferrite in its saturated state.
以铁氧体为隔离器和环行器的无源微波和毫米波器件是非互易器件。本文的主要目的是研究BaM铁氧体的磁性能。磁导率张量是最重要的参数,因为它控制着电磁波和物质之间的相互作用,因此是所有磁现象的起源。BaM薄膜在0.4 GHz到65 GHz的频率范围内被表征。研究结果显示了回旋共振现象的存在,并确定了共振频率。该技术基于S参数测量。采用Polder模型计算磁导率张量的不同单元,考虑铁氧体的饱和状态。
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引用次数: 0
A pilot project comparing the effectiveness of using ICT for teaching addition and subtraction with first grade students 一个试点项目,比较一年级学生使用ICT进行加减法教学的有效性
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2832995
Nicholas Zaranis, George H. Baralis
The purpose of this study is to investigate if information and communications technology (ICT) helps improve primary school students' mathematical achievements regarding addition and subtraction. Our research compares the level of mathematical competence of the students taught using our ICT oriented learning method which specifically takes advantage of `Realistic Mathematics Education' (RME) for the concept of addition and subtraction, as opposed to traditional teaching methodology. The designed software consisted of a story and several activities with and without the use of computers for addition. It was designed following the background of the RME theory. In addition, we use the mathematical test TEMA-3 to explore the use of ICT in the primary classroom for teaching basic mathematical concepts. It is a task orientated test which attends to measure the level of mathematical competence developed for students of the first grade. The present study was a pilot research of quasi-experimental design with one experimental and one control groups. We found that the students who were taught with educational intervention based on computers and RME had a significant improvement on their general mathematical achievement in comparison to those taught using the traditional teaching method.
摘要本研究旨在探讨资讯通讯科技(ICT)对小学生数学加减法成绩之提升。我们的研究比较了使用ICT为导向的学习方法的学生的数学能力水平,这种学习方法特别利用了“现实数学教育”(RME)的加减法概念,而不是传统的教学方法。设计的软件由一个故事和几个活动组成,有和没有使用计算机进行添加。它是在RME理论的背景下设计的。此外,我们使用数学测试TEMA-3来探索在小学课堂上使用ICT来教授基本的数学概念。它是一种以任务为导向的测试,旨在衡量一年级学生的数学能力发展水平。本研究为准实验设计的先导性研究,设1个实验组和1个对照组。我们发现,与使用传统教学方法的学生相比,采用基于计算机和RME的教育干预教学的学生在一般数学成绩方面有显著提高。
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引用次数: 1
Exploring the Use of an Information Visualization Tool for Decision Support under Uncertainty and Risk 探索信息可视化工具在不确定性和风险下决策支持的应用
Pub Date : 2015-09-24 DOI: 10.1145/2832987.2833050
M. Daradkeh
In this paper, we present an evaluation study as part of the research effort toward the development of RiDeViz. RiDeViz is an information visualization tool designed to support decision-making under uncertainty and risk. We studied how people use the proposed interactions and visual presentations of information of RiDeViz to arrive at final decisions through a qualitative user study. Study findings provide valuable insights into the benefits and limitations of each feature of RiDeViz for decision support under uncertainty and risk. They also allow us to explore the tasks performed and information used by participants to inform and justify their decisions.
在本文中,我们提出了一项评估研究,作为RiDeViz发展研究工作的一部分。RiDeViz是一种信息可视化工具,旨在支持不确定性和风险下的决策。我们通过定性的用户研究,研究了人们如何使用RiDeViz提出的交互和信息的视觉呈现来做出最终决定。研究结果对RiDeViz在不确定性和风险下的决策支持的优点和局限性提供了有价值的见解。它们还允许我们探索参与者执行的任务和使用的信息,以告知和证明他们的决定。
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引用次数: 10
期刊
Proceedings of the The International Conference on Engineering & MIS 2015
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