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IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)最新文献

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A functional coverage approach for direct testing: An industrial IP as a case study 用于直接测试的功能覆盖方法:作为案例研究的工业IP
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313667
Sameh El-Ashry, K. Salah
{"title":"A functional coverage approach for direct testing: An industrial IP as a case study","authors":"Sameh El-Ashry, K. Salah","doi":"10.1109/EUROCON.2015.7313667","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313667","url":null,"abstract":"Tracking the test-plan progress of the direct testing methodology is a manual process. If the test-plan is complicated, the manual tracking effort is huge. In this paper, an automated functional coverage method is proposed to be used along with direct testing in order to automatically track the progress of the test-plan. To the best of our knowledge, it is the first time that functional coverage is proposed to be used with direct testing. Besides, this methodology may predict uncovered corner cases scenarios. The whole universal verification methodology (UVM) hasn't been used because it is a time-consuming process and an infrastructure for direct testing already exists. The time efforts to implement functional coverage only with direct testing are negligible compared to the time efforts needed to implement the whole UVM testbench. An industrial intellectual property (IP) model is used as a case study to demonstrate our findings.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125224398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Creating a GPGPU-accelerated framework for pattern matching using a case study 使用案例研究创建用于模式匹配的gpgpu加速框架
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313740
T. Fekete, G. Mezei
{"title":"Creating a GPGPU-accelerated framework for pattern matching using a case study","authors":"T. Fekete, G. Mezei","doi":"10.1109/EUROCON.2015.7313740","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313740","url":null,"abstract":"Nowadays, general purpose personal computers often contain a separated GPU card. The card can be used to extend the computing power of the CPU. This possibility is getting bigger and bigger focus in several areas such as bioinformatics or audio signal processing. Our goal is to build a heterogeneous GPU-CPU based framework which can search for user defined patterns in a domain-specific model. Efficient pattern matching is useful in various fields, for example in refactoring software systems, or in financial analysis applications. We started building the framework by defining and solving a simple case study to analyze the difficulties in the field and find the keys of success based on a practical example. Several challenges were faced and solved including performance and scalability. At the end, we gained enough experience to create a robust and performant framework. The paper presents the case study, its solution and the architecture of our general, GPU-based pattern matching framework.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115456173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Low phase-noise oscillator design using large signal transfer function and complex quality factor 采用大信号传递函数和复杂品质因子的低相位噪声振荡器设计
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313737
G. Selcuk, Sinan Kurt
{"title":"Low phase-noise oscillator design using large signal transfer function and complex quality factor","authors":"G. Selcuk, Sinan Kurt","doi":"10.1109/EUROCON.2015.7313737","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313737","url":null,"abstract":"In this study we use large signal closed loop transfer function and complex quality factor to design a low phase noise feedback oscillator. The method offers two major advantages. First it evaluates the closed loop transfer function, which inherently takes into account the impedance mismatch between the elements of the loop and the nonlinear behavior of the active device. These factors affect the loaded quality factor of the frequency stabilization element, as well as the location of frequency at which minimum phase noise is obtained. Secondly the method uses complex quality factor to estimate the frequency of best phase noise performance. Unlike the conventional quality factor which only uses the derivative of phase response, complex quality factor takes into account both amplitude and phase variations and provide better insight for low noise design. It has been shown experimentally that complex quality factor changes significantly for saturated loop. By using complex quality factor of saturated loop, phase noise performance can be more accurately predicted compared to the methods which do not take saturation effects into account.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115828689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Estimation of Weibull parameters from wind measurement data by comparison of statistical methods 比较统计方法对测风数据的威布尔参数估计
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313684
Maja Celeska, K. Najdenkoski, V. Stoilkov, Aneta Buchkovska, Zhivko Kokolanski, V. Dimchev
{"title":"Estimation of Weibull parameters from wind measurement data by comparison of statistical methods","authors":"Maja Celeska, K. Najdenkoski, V. Stoilkov, Aneta Buchkovska, Zhivko Kokolanski, V. Dimchev","doi":"10.1109/EUROCON.2015.7313684","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313684","url":null,"abstract":"In this study, we investigate the wind speed characteristics in the northern part of Republic of Macedonia, using measured wind speed data in the period from August 2012 to March 2015. The two parameter Weibull distribution is widely used for modeling, characterizing and predicting wind resource and wind power, as well as assessing the optimal performance of wind energy conversion systems. Therefore it is very important to precisely estimate the Weibull parameters for any candidate site. We compare four methods for calculating the parameters of Weibull wind speed distribution for wind energy analysis: Method of moments, Empirical method, Maximum likelihood method and Power density method. We apply each method on a sample of hourly averaged wind speed data and estimate its accuracy using statistical methods of analysis. Finaly, we conclude that the Maximum likelihood method gives best results in calculating the shape parameter - k and scale parameter - c for the particular site. Once the Weibull parameters are calculated with high accuracy, further research can be done in using the kinetic wind energy.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121712826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Integrative gene expression analysis of lung cancer based on a technology-merging approach 基于技术融合方法的肺癌综合基因表达分析
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313796
J. M. Soto, Francisco M. Ortuño Guzman, I. Rojas
{"title":"Integrative gene expression analysis of lung cancer based on a technology-merging approach","authors":"J. M. Soto, Francisco M. Ortuño Guzman, I. Rojas","doi":"10.1109/EUROCON.2015.7313796","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313796","url":null,"abstract":"Nowadays there are many microarray gene expression datasets which are available by means of public repositories. Nevertheless, the fact is that most of them are low-scale analysis with a little number of samples. Consequently, integrating different data from several independent studies which try to treat a similar disease may be seen as a good option to tackle with the scarce number of samples that can be collected by only one study. In this paper we take a step beyond this approach and we merge also datasets from different microarray technologies, namely both Illumina and Affymetrix. Thanks to that we achieve a bigger database of lung cancer studies in order to obtain more significantly expressed genes in the differential gene expression analysis.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122458996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Automated segmentation of brain tumors in MRI using potential field clustering 基于势场聚类的MRI脑肿瘤自动分割
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313670
I. Gondra, I. Cabria
{"title":"Automated segmentation of brain tumors in MRI using potential field clustering","authors":"I. Gondra, I. Cabria","doi":"10.1109/EUROCON.2015.7313670","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313670","url":null,"abstract":"We propose potential field clustering, a new algorithm based on an analogy with the concept of potential field in Physics. By viewing the intensity of a pixel in a FLAIR MRI image as a “mass” that creates a potential field, the algorithm is used for tumor localization. The center of the localized tumor cluster is then used as the initial seed in a region growing segmentation algorithm. We evaluate the performance of this segmentation approach on the publicly available brain tumor image segmentation MRI benchmark. The performance of the proposed approach is compared with that of the Force clustering algorithm by Kalantari et al. (2009). Experimental results show that the proposed algorithm is more accurate in localizing tumor centers, which, in turn, results in better segmentations.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134439392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Performance analysis of a 2-tier caching proxy system for mobile RESTful services 移动RESTful服务两层缓存代理系统的性能分析
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313716
Iyad Ollite, N. Mohamudally
{"title":"Performance analysis of a 2-tier caching proxy system for mobile RESTful services","authors":"Iyad Ollite, N. Mohamudally","doi":"10.1109/EUROCON.2015.7313716","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313716","url":null,"abstract":"With the increasing use of smartphones and mobile applications, users access the Internet from everywhere using mobile networks. Different applications require different connectivity types or amount of data and a slow network can lead to a drastic degradation in performance. These applications usually access data on servers which are also accessible via other technologies such as websites, web service consumption or RESTful services on non-mobile clients and to ensure the same service, a single application programming interface (API) is provided. When mobile users access these services, the same traditional techniques such as SOAP based web services or RESTful services are used but these are not always appropriate. Similarly, the use of current web caching methods do not provide the same performance gain when HTTP based RESTful services are called from mobile devices. This paper proposes a 2-tier caching proxy system, which can be easily deployed and used by producers and consumers of RESTful services. This system has been implemented and tested using a live system and performance evaluation showed that a performance gain of up to 59% can be achieved along with a bandwidth reduction of 70% for service providers and 86% for clients.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116381813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Data management in research applications used in voltage dips field 电压骤降领域研究应用中的数据管理
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313726
F. Molnar-Matei, M. Iovan, A. Pana, Felicia Baloi
{"title":"Data management in research applications used in voltage dips field","authors":"F. Molnar-Matei, M. Iovan, A. Pana, Felicia Baloi","doi":"10.1109/EUROCON.2015.7313726","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313726","url":null,"abstract":"Computing systems technological development from the last period, both in terms of computing capacity and in terms of storage capacity, created the premises required to produce large databases. Meanwhile, the economic losses due to voltage dips are becoming more significant, and the result of this is an intensification of the research in this area using algorithms more complex that requires large amounts of information. Under these conditions, in this paper it is proposed a professional database realized according to the latest industry standards. The database was created so that it can store all necessary information for voltage dips analysis, including the instantaneous values of voltage waves during the voltage dip.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122165431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A multi-agent method for periodicity detection in distributed events 分布式事件周期检测的多智能体方法
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313704
A. Opalinski
{"title":"A multi-agent method for periodicity detection in distributed events","authors":"A. Opalinski","doi":"10.1109/EUROCON.2015.7313704","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313704","url":null,"abstract":"Multi-agent systems working in constantly changing environments may be challenged by instantaneous unavailability of their autonomous agents caused e.g. by limited computing resources. A new method of self-organization of distributed service components is proposed, suitable for multi-agent systems. This method relies on particular agents carrying out separate analyzes of their individual processing loads or other specific events. Analysis is done separately by each agent, and is based only on information about agent's own history of involvements in former tasks' execution. Agents can also decide to replace peers should such need arise. The superposition of individual agents' readiness periods emerges as a collective forecast of service load. By individual agents' decisions appropriate amounts of agents get ready to execute forthcoming tasks.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129731464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detailed modelling of overhead line for the elecromagnetic transients studies 架空线路电磁暂态研究的详细建模
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313696
S. Grebović
{"title":"Detailed modelling of overhead line for the elecromagnetic transients studies","authors":"S. Grebović","doi":"10.1109/EUROCON.2015.7313696","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313696","url":null,"abstract":"This paper describes a detailed modelling procedure for a transient analysis of the transmission lines. A 110 kV shielded transmission line is modelled using ElectroMagnetic Transient Program - Restructured Version (EMTP - RV). The importance of a computer as a tool in power system transient analysis is emphasized in this paper. Some parts of the transmission line, such as the transmission line towers and the stations on the both ends of the line, are modelled thanks to the EMTP - RVs possibility of grouping electrical elements into subcircuits. It was also possible to create a subcircuit that consists of a number of other subcircuits. This possibility was very important for dividing the transmission line into a number of sections that consist of a number of towers. Flashover current, short circuit currents, voltages on the both ends of the transmission line, voltages at the fault point, voltage on the tower top and the arrester energy duty due to the bipolar lightning stroke are calculated and presented.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126733491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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