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Simplex Method of Computer Algorithms Practice 单纯形法的计算机算法实践
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.169
Jishun Zhu, Shao Qian, Tong Shi
{"title":"Simplex Method of Computer Algorithms Practice","authors":"Jishun Zhu, Shao Qian, Tong Shi","doi":"10.1109/ICCRD.2010.169","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.169","url":null,"abstract":"Based on the operational research linear programming algorithm in the simplex algorithm, algorithm interface design and process design and software algorithms to achieve specific.","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129510942","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
Malaysian Address Semantic: The Process of Standardization 马来语称呼语义:标准化的过程
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.30
M. N. Masrek, Zakiah A. Razak
{"title":"Malaysian Address Semantic: The Process of Standardization","authors":"M. N. Masrek, Zakiah A. Razak","doi":"10.1109/ICCRD.2010.30","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.30","url":null,"abstract":"Mail delivery has always been problematic to the Malaysian postal services due to incomplete or incorrect postal addresses. To this effect, the Malaysian Standard Body known as SIRIM has developed the Malaysian Standard Address with the purpose of standardizing Malaysian postal addresses and hence reducing the problem of undelivered mail. This article presents the findings of a study aimed at investigating the various postal-related problems in the Malaysian context. 275 domestic mails, randomly picked from Pos Malaysia Mail Processing Centre were examined and compared against the Malaysian Standard Address. The findings suggest that 58% of the addresses were non-conforming to the SIRIM address standard. Based on this finding, an automated system based on the semantic approach is proposed to address the issue of incomplete and inaccurate address in the context of Malaysia.","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131178297","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
Hybrid Resource Allocation Method for Grid Computing 网格计算的混合资源分配方法
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.86
Syed Nasir Mehmood Shah, A. Mahmood, A. Oxley
{"title":"Hybrid Resource Allocation Method for Grid Computing","authors":"Syed Nasir Mehmood Shah, A. Mahmood, A. Oxley","doi":"10.1109/ICCRD.2010.86","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.86","url":null,"abstract":"The resource management system is the \"brain' of a Grid. It manages the shared resource of the Grid and maps user jobs to the resources. Grid resource allocation is one of the critical functions affecting the performance of a Grid, because the number of jobs and amount of required resources are massive and quick responses to users are necessary in a real Grid computing environment. Many methods have been developed for Grid resource allocation. In this paper, we propose the Hybrid Resource Allocation method, based on the Least Cost Method (LCM) and Divisible Load Theory (DLT) method. The Hybrid Resource Allocation method is an improved form of the DLT method. We have developed a modified assignment strategy of DLT by integrating it with LCM. In this paper we describe and evaluate Hybrid Resource Allocation method for Grid resource allocation scenario. This paper also proposes a Grid scheduling model and includes a comparative performance analysis of our proposed Hybrid Resource Allocation method with the existing ones.","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130084068","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: 16
Aligning Data Records Using WordNet 使用WordNet对齐数据记录
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.79
Jer Lang Hong, Eu-Gene Siew, S. Egerton
{"title":"Aligning Data Records Using WordNet","authors":"Jer Lang Hong, Eu-Gene Siew, S. Egerton","doi":"10.1109/ICCRD.2010.79","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.79","url":null,"abstract":"Current automatic wrappers using DOM tree to align data records generally have limitations such as the inability to align iterative (repetitive and similar) and disjunctive (optional) data items. Our study on the properties of data records shows that these data items can be aligned based on their semantic properties. In this context, we propose an ontological technique using existing lexical database for English (WordNet) for the alignment of data records. Regular expression rules are developed to align the data items extracted so that they can be used for further processing. Experimental results indicate that our technique is robust and performs better than the existing state of the art wrappers.","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132169674","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
Control the Output Characteristic of Dy2+:CaF2 Passively Q-Switching Ruby Laser 控制Dy2+:CaF2被动调q红宝石激光器的输出特性
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.102
Omed Gh. Abdullah
{"title":"Control the Output Characteristic of Dy2+:CaF2 Passively Q-Switching Ruby Laser","authors":"Omed Gh. Abdullah","doi":"10.1109/ICCRD.2010.102","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.102","url":null,"abstract":"The passive Q-switched performance of the ruby laser with slow-relaxing solid-state saturable absorber calcium fluoride crystals doped with divalent dysprosium Dy2+:CaF2 is numerically investigated by solving the coupled rate equations with the Runge-Kutta-Fehlberg method. In the mean time, important factors such as the laser population inversion at various stages, the peak photon number inside the laser resonator, the output energy and the pulse width of the Q-switched laser output are computed. For typical configuration, a Q-switched laser pulse of 150 ns in duration and 3 mJ in energy is obtained. Also the effects of the pumping rate, reflectivity of output coupler, and saturable absorber doping concentration on output laser characteristics are studied. The simulated results show reasonable agreement with those obtained experimentally by other research groups.","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128321588","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
Density Based Breast Segmentation for Mammograms Using Graph Cut and Seed Based Region Growing Techniques 基于密度的乳房图像分割，使用图切割和基于种子的区域生长技术
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.87
Nafiza Saidin, U. K. Ngah, H. Sakim, Ding Nik Siong, Mok Kim Hoe, I. Shuaib
{"title":"Density Based Breast Segmentation for Mammograms Using Graph Cut and Seed Based Region Growing Techniques","authors":"Nafiza Saidin, U. K. Ngah, H. Sakim, Ding Nik Siong, Mok Kim Hoe, I. Shuaib","doi":"10.1109/ICCRD.2010.87","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.87","url":null,"abstract":"In this work we explore the application of graph cuts and seed based region growing (SBRG) techniques to segment and detect the boundary of different breast tissue regions in mammograms. The graph cut (GC) is applied with multiselection of seed labels to provide the hard constraint, whereas the seeds labels are selected based on user defined. The region growing is applied with multi-selection of threshold and the threshold values are selected based upon histogram. To enhance the representation of each tissue type, pseudocolouring is used. The main goal of this study is to evaluate the graph cut techniques in the segmentation of different breast tissue regions, which correspond to the density in mammograms. Segmentation of the mammogram into different mammographic densities is useful for risk assessment and quantitative evaluation of density changes. Our proposed methodology has been tested on MIAS database.","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116415864","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: 24
Optical Properties of ZnO Thin Films Prepared by Oxidation of Granulated Zn 粒状锌氧化法制备ZnO薄膜的光学性质
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.127
L. S. Chuah, Z. Hassan, S. S. Tneh
{"title":"Optical Properties of ZnO Thin Films Prepared by Oxidation of Granulated Zn","authors":"L. S. Chuah, Z. Hassan, S. S. Tneh","doi":"10.1109/ICCRD.2010.127","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.127","url":null,"abstract":"The thermal evaporation technique was used to deposit the zinc (Zn) films on Si(111) substrates. ZnO thin films were obtained in an inexpensive and simple way by thermally oxidizing granulated Zn films at 900 °C in air for 1 hour without any catalyst. ZnO thin films have a hexagonal wurtzite structure. The structural and optical characteristics of ZnO thin films samples were investigated by scanning electron microscopy (SEM) and photoluminescence (PL). PL measurements revealed that the near band edge peak of ZnO samples was blue shifted.","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116535368","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
The Enhanced Fault-Tolerant AODV Routing Protocol for Wireless Sensor Network 无线传感器网络中增强的容错AODV路由协议
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.74
Z. Che-aron, W. Al-Khateeb, F. Anwar
{"title":"The Enhanced Fault-Tolerant AODV Routing Protocol for Wireless Sensor Network","authors":"Z. Che-aron, W. Al-Khateeb, F. Anwar","doi":"10.1109/ICCRD.2010.74","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.74","url":null,"abstract":"As more and more real Wireless Sensor Network's (WSN) applications have been tested and deployed over the last decade, the research community of WSN realizes that several issues need to be revisited from practical angles, such as reliability and availability. Basically, wireless sensor networks suffer from resource limitations, high failure rates and faults caused by the defective nature of wireless communication and the wireless sensor itself. This can lead to situations, where nodes are often interrupted during data transmission and blind spots occur in the network by isolating some of the devices. In this paper, we address the reliability issue by designing an enhanced fault-tolerant mechanism for Ad hoc On-Demand Distance Vector (AODV) routing protocol used in WSN called the ENhancement of FAult Tolerant (ENFAT) ADOV routing protocol. We design and implement a backup route algorithm by creating a backup path for every node in the network. When a node gets failure to deliver the data packet through the main route, it immediately employs the backup route to become a new main path to reduce a number of data packets dropped and to maintain the continuity of data packet delivery. Moreover, this proposed routing protocol satisfies the tradeoff between the faulttolerance and the low transmission delay. Consequently, the reliability, availability and maintainability of the network are achieved. The simulation shows that proposed routing scheme is better than the AODV routing. Keywords- wireless sensor network","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125888439","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: 11
A Lexicographic Ordering Genetic Algorithm for Solving Multi-objective View Selection Problem 求解多目标视图选择问题的字典排序遗传算法
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.81
Seyed Hamid Talebian, S. A. Kareem
{"title":"A Lexicographic Ordering Genetic Algorithm for Solving Multi-objective View Selection Problem","authors":"Seyed Hamid Talebian, S. A. Kareem","doi":"10.1109/ICCRD.2010.81","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.81","url":null,"abstract":"Data Warehouse is an approach in which data from multiple heterogeneous and distributed operational systems (OLTP) are extracted, transformed and loaded into a central repository for the purpose of decision making. Since such databases stores huge amounts of historical data, it is necessary to devise methods by which complex OLAP queries can be answered as fast as possible. OLAP is an approach which facilitates analytical queries accessing multidimensional databases. Using materialized views as pre-computed results for time-consuming queries is a common method for speeding up analytical queries. However, some constraints do not allow the systems to create all possible views. Therefore, one of the crucial decisions that data warehouse designers need to make is in the selection of the right set of views to be materialized. This paper focuses on solving the multi-objective view selection problem using a lexicographic genetic algorithm approach subject to disk space constraint.","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125148767","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: 6
Wireless Sensor Networks Modeling and Simulation in Visualsense
2010 Second International Conference on Computer Research and Development Pub Date : 2010-05-07 DOI: 10.1109/ICCRD.2010.72
Abolfazl Gandomi, Vahid Ayatollahi Tafti, H. Ghasemzadeh
{"title":"Wireless Sensor Networks Modeling and Simulation in Visualsense","authors":"Abolfazl Gandomi, Vahid Ayatollahi Tafti, H. Ghasemzadeh","doi":"10.1109/ICCRD.2010.72","DOIUrl":"https://doi.org/10.1109/ICCRD.2010.72","url":null,"abstract":"A wireless sensor network (WSN) is a wireless network consistsing of spatially distributed autonomous device using sensors to cooperatively monitor physical or environmental conditions, such as temperature, sound, vibration, pressure, motion or pollutants at different locations. A complete model of a sensor network is needed to improve upon its efficiency and design.Using a modeling and simulation tool called Visualsense models of these in this paper will discuss the implementation and creation of a sensor node in Visualsense.In the Visualsense analyses of a sensor network , several factors affecting a network are relized such as battery life and signal range of the device.Modeling of wireless sensor networks requires sophisticated modeling of communication channels, sensor channels, adhoc networking protocols,localization strategies,media access control protocols,energy consumption in sensor nodes,etc. this modeling framework is designed to support a componentbased construction of such models. It is intended to enable the research community to share models of disjoint aspects of the sensor nets problem and to build models that include sophisticated elements from several aspects.","PeriodicalId":158568,"journal":{"name":"2010 Second International Conference on Computer Research and Development","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125999174","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
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