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2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)最新文献

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Novel radio resource management for high density chaotic wireless LANs 高密度混沌无线局域网无线资源管理新方法
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930089
Suparerk Manitpornsut
{"title":"Novel radio resource management for high density chaotic wireless LANs","authors":"Suparerk Manitpornsut","doi":"10.1109/JCSSE.2011.5930089","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930089","url":null,"abstract":"It is well known that WLAN based on the IEEE 802.11 standard suffers from interference and scalability problems due to the limited number of non-overlapping channels. In order to mitigate the interference problem, channel assignment algorithms have been a popular research topic in recent years. It has been shown that such algorithms can greatly reduce the interference among wireless access points. However, in this paper we present our findings that traditional channel assignment algorithm can introduce a high hidden node index in high network density, thus greatly reducing the WLAN performance. We show that careful consideration needs to be taken when assigning channels using such algorithms. In addition, we propose a novel algorithm, called Cluster Channel Assignment (CCA), which is presented in the form of a state diagram. From our simulation results, we show that CCA can outperform traditional channel assignment in densely deployed scenarios, and is therefore a better alternative in such settings.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"153 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124271601","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
Coexistence of SCTP and TCP variants under self-similar network 自相似网络下SCTP和TCP变体的共存
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930082
L. Charoenwatana, Sunya Rattanabung
{"title":"Coexistence of SCTP and TCP variants under self-similar network","authors":"L. Charoenwatana, Sunya Rattanabung","doi":"10.1109/JCSSE.2011.5930082","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930082","url":null,"abstract":"SCTP will co-exist with TCP on the Internet in a near future as its maturity progresses. Self-similarity is long known as an inherent characteristic of the IP network in which performance of SCTP under such environment is yet to be investigated. This paper reports behaviors and throughput of SCTP and TCP streams when co-existed together in the same channel under self-similar traffic environment. Simulation tests on several TCP variants including New-Reno, Reno, Tahoe, Vegas, and SACK using ns2 simulator are conducted. Results reveal that SCTP acquires averagely only 50% throughput when competing with TCP. Although found that self-similarity does not extensively distort SCTP-TCP performance, it, nevertheless, offers indirect advantage to SCTP in gaining throughput proportion against TCP.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126487021","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
A model of ontology driven case-based reasoning for electronic issue management systems 面向电子问题管理系统的本体驱动案例推理模型
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930099
Thitiphob Pangjitt, T. Sunetnanta
{"title":"A model of ontology driven case-based reasoning for electronic issue management systems","authors":"Thitiphob Pangjitt, T. Sunetnanta","doi":"10.1109/JCSSE.2011.5930099","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930099","url":null,"abstract":"An electronic issue management system, alternatively known as a help desk system, refers to a computer application that can be used to electronically automate the process of managing business issues, including problems, defects, tasks, changes or new requests. The difficulties found in using such a system are often from the lack of expertise to resolve the issues that are stored by the system. This paper proposes to use ontology and case-based reasoning to better provide structured information and enable the capturing of tacit knowledge of experts for issue management.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131933351","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
Performance optimization of Thai virtual keyboard for social networking 面向社交网络的泰语虚拟键盘性能优化
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930122
Jirapat Simathamanand, K. Piromsopa
{"title":"Performance optimization of Thai virtual keyboard for social networking","authors":"Jirapat Simathamanand, K. Piromsopa","doi":"10.1109/JCSSE.2011.5930122","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930122","url":null,"abstract":"Using Thai virtual keyboard for social network function on a tablet-based device has proven to be inefficient. In this paper, we design a new layout for Thai virtual keyboard by applying constraints to genetic algorithm. Our experiment is validated with data collected from social network website. With Fitts' law as our performance model, the result shows that the new Thai keyboard layout performs better than traditional layouts.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132865430","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
Applying software fault tolerance patterns to WS-BPEL processes 将软件容错模式应用于WS-BPEL流程
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930133
Thawee Thaisongsuwan, T. Senivongse
{"title":"Applying software fault tolerance patterns to WS-BPEL processes","authors":"Thawee Thaisongsuwan, T. Senivongse","doi":"10.1109/JCSSE.2011.5930133","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930133","url":null,"abstract":"WS-BPEL is a standard language for orchestrating business processes of Web services. During service invocation, errors may occur from latent faults, e.g. partner services may not be available or not respond within time. Fault tolerance patterns, such as those for architectural design, error detection, and error recovery, can be used to handle partner service faults. This paper proposes an approach to applying patterns for fault tolerant software to WS-BPEL. Templates of WS-BPEL constructs to implement fault handling logic according to the patterns will be presented. With this approach, business processes can be made to execute in a fault tolerant manner within standard WS-BPEL execution environment.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129011435","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: 3
3D Hand pose modeling from uncalibrate monocular images 从未校准的单眼图像3D手姿势建模
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930116
Theeraphat Sajjawiso, P. Kanongchaiyos
{"title":"3D Hand pose modeling from uncalibrate monocular images","authors":"Theeraphat Sajjawiso, P. Kanongchaiyos","doi":"10.1109/JCSSE.2011.5930116","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930116","url":null,"abstract":"Hand pose modeling is one of the most challenging research areas in Computer Animation due to the difficulty of hand model, which consist of more than 20 degrees of freedom and require the construction of a large high-dimensional database of poses. In this paper, we propose a method of 3D hand pose modeling based on a new set of constraints and optimization framework to reduce the ambignity between 2D joint location and 3D hand poses. Our method does not need prior knowledge of the bone length and camera parameters. Furthermore, a large high-dimension database used for searching is not needed to be constructed. An experiment was performed on the real data set captured from a webcam. the results shows that the proposed set of constraints are sufficient to reconstruct the hand poses with desirable accuracy.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129220833","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
Enhancing service selection with a provider trustworthiness model 使用提供者可信度模型增强服务选择
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930135
Aekkachai Sumetanupap, T. Senivongse
{"title":"Enhancing service selection with a provider trustworthiness model","authors":"Aekkachai Sumetanupap, T. Senivongse","doi":"10.1109/JCSSE.2011.5930135","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930135","url":null,"abstract":"In service selection, service consumers usually consider service functionalities and use technical quality of service (QoS) or price to differentiate between services of the same functionalities. That alone, in practice, is not adequate since the quality of servce providers can also have infuence on selection decisions. This paper applies a concept of interpersonal trust, especially trusting beliefs, to devise a quality of provider model. The model is based on competence, benevolence, and integrity of service providers, and trust score can be computed using the fuzzy set theory. Service consumers can then use the trust scores, in addition to technical QoS and price, in service selection.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127485753","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: 8
Evolutionary Artificial Neural Networks on simulated soccer robots 模拟足球机器人的进化人工神经网络
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930105
Kunthawat Suthambut, Jumpol Polvichai
{"title":"Evolutionary Artificial Neural Networks on simulated soccer robots","authors":"Kunthawat Suthambut, Jumpol Polvichai","doi":"10.1109/JCSSE.2011.5930105","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930105","url":null,"abstract":"A soccer robot is a cooperative robot agent system on a soccer game. Robot controllers in this project must react to different environments on each robot to achieve the goal while the optimal solution of controller configuration is hard to define. The Artificial Neural Networks (ANNs) and Genetic Algorithms (GAs) give us a key to solve these problems. An ANN develops itself to process complex problem while a GA finds acceptable solutions with the ability of randomness. The project shows that these hybrid methods used in soccer league simulation yield a promising result.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126792944","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
Event recognition from information-linkage based using phrase tree traversal 基于短语树遍历的信息链接事件识别
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930104
R. Sukhahuta, Chadchai Sukanun
{"title":"Event recognition from information-linkage based using phrase tree traversal","authors":"R. Sukhahuta, Chadchai Sukanun","doi":"10.1109/JCSSE.2011.5930104","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930104","url":null,"abstract":"In this paper we present an approach to extracting significant events from digital documents. OpenNLP syntactical parser for English is used for generating parse trees from the sentences, followed by the extraction of events from the parse trees using tree traversal algorithms. The extraction system is developed and tested on 50 sentences from terrorism documents of The Federation of American Scientists (FAS). The results showed that with this technique we can achieve high recall and precision yielding accuracy of 89.68 recall and 78.44 precision with an overall performance of 83.66 in term of F-measure.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114799471","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
An FPGA implementation of ATA Host Controller toward scalable iATA NAS 面向可扩展iATA NAS的ATA主控制器的FPGA实现
2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE) Pub Date : 2011-05-11 DOI: 10.1109/JCSSE.2011.5930125
Napat Luevisadpaibul, Salita Sombatsiri, K. Piromsopa
{"title":"An FPGA implementation of ATA Host Controller toward scalable iATA NAS","authors":"Napat Luevisadpaibul, Salita Sombatsiri, K. Piromsopa","doi":"10.1109/JCSSE.2011.5930125","DOIUrl":"https://doi.org/10.1109/JCSSE.2011.5930125","url":null,"abstract":"Each business and organization owns an excessive amount of corporate data. Therefore, Storage Area Network (SAN) is built to support the need of data storage over the network. However, it is not worthy for Small Office, Home Office (SOHO) and small businesses to invest on the high-cost SAN system. Therefore, the implementation of Advanced Technology Attachment (ATA) Device Host Controller to support internet Advanced Technology Attachment (iATA) Protocol for ATA Network Attached Storage (NAS) is introduced to enable the capability to read data from and write data to ATA Device over the existing network. In this paper, we have implemented ATA Device Host Controller which supports a iATA application layer protocol on Field Programmable Gate Arrays (FPGA) to enable the data transfer over the internet. On the FPGA, we have implemented a module for each of the internet layer protocol, which are 1) 10/100 Ethernet MAC Module for the Physical and the Data Link Layer 2) IP header de/encapsulation Module for the Network Layer 3) TCP header de/encapsulation Module for the Transport Layer 4) iATA Controller Module for the Application Layer, and a Disk Controller Module for the read/write operations to a hard disk. These modules operate sequentially. As a result of the implementation, the experiment shows that our prototype systems can operate the read operation with the average speed of 1250 KB/sec and the write operation with the average speed of 1170 KB/sec. The experiment also shows that there is a clock frequency limitation in the implementation.","PeriodicalId":287775,"journal":{"name":"2011 Eighth International Joint Conference on Computer Science and Software Engineering (JCSSE)","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123245931","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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