2012 International Conference on Collaboration Technologies and Systems (CTS)最新文献

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High performance frequent pattern mining on multi-core cluster 基于多核集群的高性能频繁模式挖掘
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261005
Lan Vu, G. Alaghband
{"title":"High performance frequent pattern mining on multi-core cluster","authors":"Lan Vu, G. Alaghband","doi":"10.1109/CTS.2012.6261005","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261005","url":null,"abstract":"Mining frequent patterns is a fundamental data mining task with numerous practical applications such as consumer market-basket analysis, web mining, and network intrusion detection. When database size is large, executing this mining task on a personal computer is non-trivial because of huge computational time and memory consumption. In our previous research, we proposed a novel algorithm named FEM which is more efficient than well-known algorithms like Apriori, Eclat or FP-growth in discovering frequent patterns from both dense and sparse databases. However, in order to apply FEM to applications with large-scale databases, it is essential to develop new parallel algorithms that are based on FEM and deploy this mining task on high performance computer systems. In this paper, we present a new method named PFEM that parallelizes the FEM algorithm for a cluster of multi-core machines. Our proposed method allows each machine in the cluster execute an independent mining workload to improve the scalability. Computations within a multi-core machine use shared memory model to reduce communication overhead and maintain load balance. With the collaboration of both distributed memory and shared memory computational models, PFEM can adapt well to large computer systems with many multi-core.","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121452085","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
Performance of quadrifilar helix antenna on EAD channel model for UAV to LEO satellite link 四线螺旋天线在无人机与低轨卫星链路的EAD信道模型上的性能
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261045
D. Mrema, S. Shimamoto
{"title":"Performance of quadrifilar helix antenna on EAD channel model for UAV to LEO satellite link","authors":"D. Mrema, S. Shimamoto","doi":"10.1109/CTS.2012.6261045","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261045","url":null,"abstract":"In this paper we explore the performance of our designed Quadrifilar Helix Antenna (QHA) for Unmanned Aerial Vehicle (UAV) to be used in data transmission to Low Orbit Earth (LEO) Satellite. Elevation Angle Dependent (EAD) channel model was technique used to analyze the channel fading and Bit Error Ratio (BER) values were used to quantify the performance of this long distance communication channel. A Cylindrical shape (21.2mm, 94.2mm) diameter and height, Quadrifilar Helix Antenna (QHA) was designed with Voltage Stand Wave Ratio (VSWR) < 2 at 2.4GHz. QHA was designed with proper pattern which has high directivity gain at low elevation angles so as to mitigate the fading effects on this long distance data transmission link from UAV to LEO Satellite.","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116060531","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
AgentCity-An agent-based modeling approach to city planning and population dynamics 基于agent的城市规划和人口动态建模方法
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261033
George Mudrak, S. Semwal
{"title":"AgentCity-An agent-based modeling approach to city planning and population dynamics","authors":"George Mudrak, S. Semwal","doi":"10.1109/CTS.2012.6261033","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261033","url":null,"abstract":"Cities spend time, revenue and resources in an effort to optimize the geographic and physical layout of property zones and services for the population. As physical construction of these various city models is prohibitive, we can create computational models for testing and experimentation. These computational models include human elements and simulate natural complex social system. These computational-models also provide opportunities to study emergent behaviors similar to the real world. These computational emergent behaviors can give us insight into the effectiveness of our city model. This paper will focus on creating a computational model of a virtual city with zoning and a heterogeneous population using NetLogo modelling environment. Results of our implementation are described and future opportunities are identified.","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"486 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114282247","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
The One Room School House & Design Challenge Based Learning for design-oriented HCI education: Initial results, reflective hypotheses, & collaborative issues 面向设计的HCI教育的单室校舍和基于设计挑战的学习:初步结果,反思假设和协作问题
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261075
Eli Blevis
{"title":"The One Room School House & Design Challenge Based Learning for design-oriented HCI education: Initial results, reflective hypotheses, & collaborative issues","authors":"Eli Blevis","doi":"10.1109/CTS.2012.6261075","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261075","url":null,"abstract":"This paper describes two different learning paradigms, namely One Room School House (ORSH) and Design Challenge Based Learning (DCBL). ORSH is targeted at teaching design-oriented HCI at combined undergraduate and graduate levels in small scale settings. DCBL is targeted at teaching design-oriented HCI to undergraduate and/or graduate levels in larger scale settings. The basic paradigms are described and the results of three years of student evaluations for these approaches are discussed with an eye towards construction of hypotheses about why the trends are as they are and how the paradigms may be improved and further evaluated going forward. The collaborative elements of the paradigms and certain classroom facilities in which these paradigms have been applied are also briefly described.","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122598006","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
Stagnant free ant based energy aware heuristic routing in wireless sensor network 基于停滞自由蚁的无线传感器网络能量感知启发式路由
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261044
Majid Qayyum, Sohail Jabbar, Shahzad Rizwan, Farooq Azam
{"title":"Stagnant free ant based energy aware heuristic routing in wireless sensor network","authors":"Majid Qayyum, Sohail Jabbar, Shahzad Rizwan, Farooq Azam","doi":"10.1109/CTS.2012.6261044","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261044","url":null,"abstract":"In shortest path finding, the main issue that is faced is the stagnation of path. This prong is very challenging for rapid depletion of constraint resources like of Wireless Sensor Network (WSN). This makes the working of foraging process inapplicable in most of the domains especially where the resources are in stringent constraint. In this research article, we have proposed a novel technique for the aforementioned issue which outperforms the existing techniques with respect to network utilization, network life time, latency, energy consumption and total network residual energy are the performance evaluation parameters. Taking into consideration, the heuristic functions I, heuristic function II and the pheromone concentration to calculate the probability function for releasing from stagnant path portrays the better results among the most famous existing path stagnation solution; Pheromone Heuristic Control (PHC).","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122938471","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
Scientific publication recommendations based on collaborative citation networks 基于协作引文网络的科学出版物推荐
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261069
Tin Huynh, Kiem Hoang, Loc Do, Huong Tran, H. Luong, Susan Gauch
{"title":"Scientific publication recommendations based on collaborative citation networks","authors":"Tin Huynh, Kiem Hoang, Loc Do, Huong Tran, H. Luong, Susan Gauch","doi":"10.1109/CTS.2012.6261069","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261069","url":null,"abstract":"To learn about the state of the art for a research project, researchers must conduct a literature survey by searching for, collecting, and reading related scientific articles. Popular search systems, online digital libraries, and Web of Science (WoS) sources such as IEEE Explorer, ACM, SpringerLink, and Google Scholar typically return results or articles that are similar to keywords in the user's query. Some digital libraries also include content-based recommenders that suggest papers similar to one the user likes based on the contents of paper, i.e., the keywords it contains. In this work, we present a recommender module that suggests papers to users based on the seed paper's Citation Network. This work takes into account the combination of the co-citation and co-reference factors to improve algorithm's effectiveness. We applied and improved the the CCIDF (Common Citation Inverse Document Frequency) algorithm used by the CiteSeer digital library. This improved algorithm, called CCIDF+, was evaluated using data collected from Microsoft Academic Search (MAS). Experimental results show that CCIDF+ outperforms CCIDF.","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115370831","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: 29
A framework for Broker placement in vehicular ad hoc Networks 在车辆自组织网络中放置代理的框架
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261048
L. Poff, A. Gokhale, Mark P. McDonald
{"title":"A framework for Broker placement in vehicular ad hoc Networks","authors":"L. Poff, A. Gokhale, Mark P. McDonald","doi":"10.1109/CTS.2012.6261048","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261048","url":null,"abstract":"Vehicular networks are a classic example of mobile, peer-to-peer networks. The domain of intelligent transportation engineering (ITS) envisions a wide range of services over these vehicular networks. Supporting the different quality of service properties of these services requires effective dynamic resource management solutions in vehicular networks, which cannot be realized using vehicles alone due to factors such as varying vehicular mobility patterns, varying vehicular traffic density, and obstacles. Road side units (RSUs), which serve as event and data brokers among the moving vehicles, can alleviate this problem. To maximize the value proposition offered by RSUs requires their effective placement that holistically accounts for physical factors, such as traffic patterns and mobility, with cyber factors, such as communication protocols and messaging. To address these requirements, this paper presents a design methodology based on the principles of surrogate modeling wherein small-scale, micro-simulations of the ITS cyber-physical system are used to develop training points, which in turn are used to train a surrogate model. The surrogate model is subsequently used to make planning decisions for ITS.","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123086586","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
Collaborative Crossover Applications 协作跨界应用
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261007
S. Semwal
{"title":"Collaborative Crossover Applications","authors":"S. Semwal","doi":"10.1109/CTS.2012.6261007","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261007","url":null,"abstract":"Collaborative Crossover Applications (CCA) extends Crossover Applications to highly mobile environments. Crossover Applications were conceived in [1] as an area of research for developing new media applications for the visually impaired community with the goal that they be simultaneously interesting for the sighted population as well. The end result is to create a useful interaction between the sighted and the blind/visually impaired worlds. This was demonstrated in two Crossover Applications™ Symposiums at UCCS in 2009 and 2010. A Complex Systems working group (GMI Consortium) was established as a weekly brainstorming group to further our goals. Outgrowth of community partnership resulted in projects and thesis work by students in such diverse areas as recycled braille devices, musical-canvas, and android-phone based game applications.","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"310 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122777095","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
Mixed-initiative distributed simultaneous (MDS) planning 混合主动分布式同步(MDS)规划
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261032
Wei Chen, Alexander Grushin, Jason H. Li
{"title":"Mixed-initiative distributed simultaneous (MDS) planning","authors":"Wei Chen, Alexander Grushin, Jason H. Li","doi":"10.1109/CTS.2012.6261032","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261032","url":null,"abstract":"In many real-world situations, a problem emerges suddenly (e.g., Cyber attacks may take just milliseconds), while the response processes may last much longer (e.g., network system restoration after a Cyber attack may take hours or days). Presently, a fully automated response is impractical, due to complex dynamics and uncertainties, as well as social and political requirements (e.g., for humans to be “in the loop”). Thus, a viable approach is to augment human capabilities to solve the problem, but this results in a subsequent complication: the technical skills required are not all residing in one place and a network of dispersed experts must plan and carry out an effective response together. This paper aims to define and investigate a special challenge, named Mixed-initiative Distributed Simultaneous (MDS) planning, arising from complex real-world problems. A framework named We-Plan, its multi-agent based system architecture and a software prototype have been designed and developed to address MDS planning. We present the appropriate background and a definition of the challenge, a brief literature review, an architecture design, and a software prototype implementation featuring a step-by-step walkthrough demonstrating how collaborative processes and multi-agent technologies can be employed to effectively carry out MDS planning. The paper does not delve into algorithmic details as a partial solution, but aims to present a viable and practical framework for addressing the aforementioned challenges.","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"253 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124178714","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
Telehealth-based collaboration among primary and behavioral health care providers in rural areas 农村地区初级和行为保健提供者之间基于远程保健的合作
2012 International Conference on Collaboration Technologies and Systems (CTS) Pub Date : 2012-05-21 DOI: 10.1109/CTS.2012.6261094
R. Gantenbein
{"title":"Telehealth-based collaboration among primary and behavioral health care providers in rural areas","authors":"R. Gantenbein","doi":"10.1109/CTS.2012.6261094","DOIUrl":"https://doi.org/10.1109/CTS.2012.6261094","url":null,"abstract":"Rural primary health care providers are often isolated from specialists, such as behavioral health care providers. Telehealth technologies have the potential to overcome such isolation and support collaboration among providers that are not located in the same community.","PeriodicalId":200122,"journal":{"name":"2012 International Conference on Collaboration Technologies and Systems (CTS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125564413","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
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