检索结果-内蒙古大学图书馆

2nd International ICST Conference on Simulation Tools and Techniques, SIMUTools 2009

作者： Bouras, Christos Giannaka, Eri Tsiatsos, Thrasyvoulos Research Academic Computer Technology Institute and Computer Engineering and Informatics Department N. Kazatzaki Str. GR-26500 Greece Research Academic Computer Technology Institute and Informatics Dept. Aristotle University of Thessaloniki N. Kazatzaki Str. GR-26500 Greece

ISBN: (纸本)9789639799455

Distributed Virtual Environment systems simulate the behaviour and activities of a great number of users interacting in a virtual world over a wide area network. The sizes of the virtual worlds and the tremendous number of users that DVEs are called to support require additional bandwidth and computational resources. For handling these growing requirements a lot of work has been done both to the direction of alternative architectural solutions as well as to techniques and algorithms for handling the limitations of these environments. For supporting large-scale DVEs, extended infrastructure is needed in terms of both hardware and software. However, both researchers and application designers do not always have access to such extended infrastructure and the assessment and evaluation of developed techniques becomes extremely difficult. To this direction, this paper presents a simulation modelling tool for networked servers DVEs that could be used by designers for simulating the performance of their approaches under different scenarios.

关键词： Wide area networks

来源：评论

学校读者我要写书评

暂无评论

Educational case studies with an open source embedded real-time Java processor

Educational case studies with an open source embedded real-t...

引用

2009 Workshop on Embedded Systems Education, WESE 2009

作者： Pedersen, Rasmus Ulslev Schoeberl, Martin Embedded Software Laboratory Dept. of Informatics Copenhagen Business School Howitzvej 60 2000 Frederiksberg Denmark Institute of Computer Engineering Vienna University of Technology Austria

ISBN: (纸本)9781450300216

In this paper we show a platform which allows for education and training of a number of essential embedded skills. The Java optimized processor (JOP) is open source and has been used in several educational and training sessions and we cover how each setting has trained a special skill set. The experience covers basics from undergraduate education to Ph.D. level education. At each level different properties of the system are emphasized. Our emphasis on the interdisciplinary of embedded systems education is based on referenced research findings. This way we provide empirical findings and couple it with academic frameworks. © ACM 2009.

关键词： Embedded systems

来源：评论

学校读者我要写书评

暂无评论

A model for personalized web-scale case base maintenance 1

引用

5th International Conference on Active Media technology, AMT 2009

作者： Sun, Jingyu Yu, Xueli Wang, Ruizhi Zhong, Ning College of Computer and Software Taiyuan University of Technology Taiyuan Shanxi 030024 China International WIC Institute Beijing University of Technology Beijing 100022 China Dept. of Computer Science and Technology Tongji University Shanghai 200092 China Dept. of Life Science and Informatics Maebashi Institute of Technology 460-1 Kamisadori-Cho Maebashi 371-0816 Japan

ISBN: (数字)9783642048753

ISBN: (纸本)9783642048746

The growing use of case-based reasoning (CBR) systems on the Web has brought with it increased awareness of the Web-scale case base maintenance (CBM). While most existing CBM policies and approaches, which were designed for smaller case bases with sizes ranges from thousands to millions of cases, are not suitable for Web-scale distributed case collection. In this paper, we propose a novel CBM model for personalized Web-scale CBM, which addresses the needs of the Web-based CBR systems. The proposed CBM model is constructed based on chunk activation of ACT-R theory and rule-based reasoning. In addition, a basic activation value computation method is given to rank the cases and an algorithm is proposed to select top-N active cases. Experiments on several real-world datasets such as the MovieLens dataset show the effectiveness of our model. © 2009 Springer-Verlag.

关键词： Chemical activation

来源：评论

学校读者我要写书评

暂无评论

Object categorization based on biologically inspired features using a hierarchical categorization system 9th

Object categorization based on biologically inspired feature...

引用

9th IFAC Symposium on Robot Control, SYROCO 2009

作者： Csapo, A. Resko, B. Sziebig, G. Hashimoto, H. Baranyi, P. Budapest Univ. of Technology and Economics Dept. of Telecommunications and Media Informatics Budapest Hungary Computer and Automation Research Institute Hungarian Academy of Sciences Budapest Hungary Budapest Univ. of Technology and Economics Dept. of Mechatronics Optics and Applied Informatics Budapest Hungary Univ. of Tokyo Institute of Industrial Science Tokyo Japan

ISBN: (纸本)9781617825583

The computerized modeling of cognitive visual information has been a research field of great interest in the past several decades. The research field is interesting not only from a biological perspective, but also from an engineering point of view when systems are developed that aim to achieve similar goals as biological cognitive systems. This paper briefly describes a general framework for the extraction and systematic storage of low-level visual features, and demonstrates its applicability in image categorization using a linear categorization algorithm originally developed for the characterization of text documents. The performance of the algorithm together with the newly developed feature array was evaluated using the Caltech 101 database. Extremely high (95% and higher) success rates were achieved when distinguishing between pairs of categories using independent test images. Efforts were made to scale up the number of categories using a hierarchical, branch-and-bound decision tree, with limited success.

关键词： Cognitive systems

来源：评论

学校读者我要写书评

暂无评论

Evolutionary approaches to the linear machine layout problem

Evolutionary approaches to the linear machine layout problem

引用

作者： Mohagheghi, Salman Georgoulas, George Stylios, Chrystostomos Groumpos, Peter ABB Inc. US Corporate Research Center Raleigh NC 27606 United States Dept. of Computer Applications in Finance and Management TEI of Ionian Islands Lefkas Greece Dept. of Informatics and Communications Technology TEI of Epirus Kostakioi Artas Greece Lab. of Automation and Robotics Dept. of Electrical and Computer Eng. Patras Greece

ISBN: (纸本)9783902661432

Flexible Manufacturing Systems (FMSs) cope with multi-product, usually small sized production. In this research work we investigate the use of evolutionary methods to solve the linear or single-row layout problem, which is the most commonly implemented layout in FMSs. Three different approaches, based on Ant Colony Optimization, Genetic Algorithms and Particle Swarm Optimization are tested. The experimental results show that a near optimal solution can be found for all three methods, exploiting only a small portion of the feasible solution space, pinpointing once more the merit of using evolutionary algorithms to tackle difficult combinatorial problems. © 2009 IFAC.

关键词： Genetic algorithms

来源：评论

学校读者我要写书评

暂无评论

Construct anticancer drug-drug correlation network 09

Construct anticancer drug-drug correlation network

引用

24th Annual ACM Symposium on Applied Computing, SAC 2009

作者： Li, Jiao Crowell, Pamela Chen, Jake Yue Dept. of Computer Science and Technology Tsinghua University Beijing 100084 China Dept. of Biomedical and Pharmaceutical Sciences Office of the Vice President for Research Idaho State University Pocatello ID 83209 United States Indiana University School of Informatics Dept. of Computer and Information Science Purdue University School of Science Indianapolis IN 46202 United States Dept. of Computer and Information Science Purdue University School of Science Indianapolis IN 46202 United States

ISBN: (纸本)9781605581668

Network biology methods have been promising in linking diseases, genes, and drugs. In this study, we propose a novel computational method to construct drug-drug correlation networks, which consist of drug compounds as network graph nodes and correlated protein-drug profiles above a pre-determined threshold as network graph edges. This computational method is based on extensions of related work on identifying disease-specific proteins within protein-protein sub-networks, and mining protein-drug association profiles from biomedical literature. Our method provides a quantitative framework to compare how each drug compound from one therapeutic area is correlated with other drug compounds in other therapeutic areas, using a drug's protein-drug association profile mined from biomedical literature. We applied this method to the study of drug re-purposing and found that two breast cancer drugs "Mitomycin" and "Bleomycin" may be top drug candidates for treating pancreatic cancers. Copyright 2009 ACM.

关键词： Association reactions

来源：评论

学校读者我要写书评

暂无评论

Implementing a multi-user tour guide system with an embodied conversational agent 1

引用

5th International Conference on Active Media technology, AMT 2009

作者： Čereković, Aleksandra Huang, Hsuan-Hung Furukawa, Takuya Yamaoka, Yuji Pandžić, Igor S. Nishida, Toyoaki Nakano, Yukiko Faculty of Electrical Engineering and Computing Zagreb Croatia Graduate School Informatics Kyoto University Japan Dept. of Computer and Information Science Faculty of Science and Technology Seikei University Tokyo Japan

ISBN: (数字)9783642048753

ISBN: (纸本)9783642048746

In recent years, computer-generated interactive virtual characters, called Embodied Conversational Agents (ECAs), are subjects of considerable ongoing research. Nevertheless, their conversational abilities are mediocre compared to real human behaviors. Among limitations, most of ECAs are incapable of participating in natural conversations in which the number of participants can change dynamically. In the ongoing work we investigate principles of integrating a multi-user support in an ECA system. We present experiments and implementation approach of a prototype system in which a tour guide ECA interacts with one or two users. The system combines different technologies to detect and address the system users and draw their attention. Experimental interaction with the system produces encouraging results. The system can address the user's appearance, departure, decreased level of interest and identify his conversational role. © 2009 Springer-Verlag.

关键词： Behavioral research

来源：评论

学校读者我要写书评

暂无评论

A novel cooperative communication protocol for qos provisioning in wireless sensor networks

A novel cooperative communication protocol for qos provision...

引用

2009 5th International Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities and Workshops, TridentCom 2009

作者： Liang, Xuedong Chen, Min Yang, Xiao Balasingham, Ilangko Leung, Victor C.M. Dept. of Informatics University of Oslo Oslo N-0316 Norway Interventional Center Rikshospitalet University Hospital Oslo N-0027 Norway Dept. ofElectrical and Computer Engineering University ofBritish Columbia Vancouver V6T lZ4 Canada Dept. of Computer Science University of Alabama Tuscaloosa AL 35487 United States Dept. ofElectronics and Telecommunications Norwegian University ofScience and Technology Trondheim N-7491 Norway

ISBN: (纸本)9781424428472

Cooperative communications have been demonstrated to be effective in combating the multiple fading effects in wireless networks, and improving the network performance in terms of adaptivity, reliability, data throughput and network life time. In this paper, we investigate the use of cooperative communications for quality of service (QoS) provisioning in resource-constrained wireless sensor networks, and propose MRL-CC, a Multi-agent Reinforcement Learning based multi-hop mesh Cooperative Communication mechanism for wireless sensor networks. In order to disseminate data reliably in MRL-CC, a multi-hop mesh cooperative structure is first constructed. Then a cooperative mechanism with cooperative partner assignments, and coding and transmission schemes is implemented using a multi-agent reinforcement learning algorithm. We compare the network performance of MRL-CC with MMCC [1], a Multi-hop Mesh structure based Cooperative Communication scheme, and investigate the impacts of network traffic load, interference and sensor node's mobility on the network performance. Simulation results show that MRL-CC performs well in terms of a number of QoS metrics, and fits well in large-scale networks and highly dynamic environments.

关键词： Cooperative communication

来源：评论

学校读者我要写书评

暂无评论

Multi-Hop mesh cooperative structure based data dissemination for wireless sensor networks

Multi-Hop mesh cooperative structure based data disseminatio...

引用

11th International Conference on Advanced Communication technology, ICACT 2009

作者： Chen, Min Liang, Xuedong Victor, Leung Ilangko, Balasingham Dept. of Electrical and Computer Engineering University of British Columbia Vancouver V6T lZ4 BC Canada Dept. of Informatics University of Oslo Oslo N-0316 Norway The Interventional Center Rikshospitalet University Hospital Oslo N-0027 Norway Dept. of Electronics and Telecommunications Norwegian University of Science and Technology Trondheim N-7491 Norway

ISBN: (纸本)9788955191387

In this paper, we investigate the use of cooperative communications for reliable data dissemination in wireless sensor networks. We first identify the disadvantages of some existing cooperative schemes. While the previously proposed "multihop mesh cooperative transmission structure" addresses these disadvantages, it suffers from large end-to-end delays during data disseminations due to its random value-based forwarding node selection scheme. This paper proposes a novel distance-based forwarding node selection scheme that yields smaller end-to-end delays. We present extensive simulation results that verify the effectiveness of the proposed data dissemination scheme.

关键词： Cooperative communication

来源：评论

学校读者我要写书评

暂无评论

Object Categorization Based on Biologically Inspired Features Using a Hierarchical Categorization System *

引用

IFAC Proceedings Volumes 2009年第16期42卷 251-256页

作者： A. Csapo B. Resko G. Sziebig H. Hashimoto P. Baranyi Budapest Univ. of Technology and Economics Dept. of Telecommunications and Media Informatics Budapest Hungary Computer and Automation Research Institute Hungarian Academy of Sciences Budapest Hungary Budapest Univ. of Technology and Economics Dept. of Mechatronics Optics and Applied Informatics Budapest Hungary Univ. of Tokyo Institute of Industrial Science Tokyo Japan

Abstract The computerized modeling of cognitive visual information has been a research field of great interest in the past several decades. The research field is interesting not only from a biological perspective, but also from an engineering point of view when systems are developed that aim to achieve similar goals as biological cognitive systems. This paper briefly describes a general framework for the extraction and systematic storage of low-level visual features, and demonstrates its applicability in image categorization using a linear categorization algorithm originally developed for the characterization of text documents. The performance of the algorithm together with the newly developed feature array was evaluated using the Caltech 101 database. Extremely high (95% and higher) success rates were achieved when distinguishing between pairs of categories using independent test images. Efforts were made to scale up the number of categories using a hierarchical, branch-and-bound decision tree, with limited success.

关键词： Cognitive computational models visual features image categorization

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：