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检索条件"任意字段=2009 International Conference on Computer Technology and Development, ICCTD 2009"

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development and Application of an Efficient Ubiquitous Teaching and Learning Model

Development and Application of an Efficient Ubiquitous Teach...

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11th international conference on Advanced Communication technology

作者： Joo, Kil Hong Kim, Sang Hong Gyeongin Natl Univ Educ Gyeyanggu South Korea

ISBN: (纸本)9788955191387

This paper proposes an efficient teaching and learning model in the ubiquitous environment. Recent educational environment is growing to ubiquitous learning(u-Learning). However, most of teaching and learning model cannot be sufficient the computer and network environment. Therefore, it is important to development the teaching and learning model in the ubiquitous environment. The object of u-Learning is to provide an educational environment in which students can learn without any limitation of time, place, and device. Accordingly, this paper proposes the ubiquitous teaching and learning model which the concepts of scaffolding and mentoring are adapted to the ubiquitous environment. Thereby verifying the applicability and appropriateness of the ubiquitous teaching and learning model for the u-Learning environment. In this paper, the performance of the proposed model is analyzed by a series of experiments to identify their various characteristics.

关键词： ubiquitous learning teaching and learning model mentoring scaffolding

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Constructing a plant learning system based on Web 2.0

Constructing a plant learning system based on Web 2.0

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17th international conference on computers in Education, ICCE 2009

作者： Cheng, Shu-Chen Huang, Ting-Yun Department of Computer Science and Information Engineering Southern Taiwan University Tainan 710 Taiwan

ISBN: (纸本)9789868473539

This research has adopted artificial intelligence technology to build up a Plant-Enquiry system to enhance the user's cognition about the plants. The concept of Web 2.0 has been used to construct a share-learning network. Doing on-line and real time editing of the digital multimedia could deliver the message in a more effective and more convenient way, and, by implementing the technology of video-film indexing and marking, it allows the users to more effectively access huge amount of useful information;the technology implementation of GPS and QR-Code has been added to provide the course-editing function of M-Learning. Combining the conveniences mentioned and the fast operations, it achieves plant-retrieving, complete plant-introduction, the building up and collection of plant database, the integrated application of GPS, QR-Code and map information;it has also reduce the development difficulty of digital course design and the cost. The above are the contributions of this research.

关键词： Learning systems

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Research and development for technology evolution potential forecasting system 3rd

Research and development for technology evolution potential ...

引用

3rd IFIP WG 5.4 Working conference on computer-Aided Innovation, CAI 2009

作者： Gao, Changqing Cao, Shukun Wang, Yuzeng Ai, Changsheng Ze, Xiangbo School of Mechanical Engineering University of Jinan Jinan250022 China

ISBN: (纸本)9783642033452

technology forecasting is a powerful weapon for many enterprises to gain an animate future. Evolutionary potential radar plot is a necessary step of some valuable methods to help the technology managers with right technical strategy. A software system for technology Evolution Potential Forecasting (TEPF) with automatic radar plot drawing is introduced in this paper. The framework of the system and the date structure describing the concrete evolution pattern are illustrated in details. And the algorithm for radar plot drawing is researched. It is proved that the TEPF system is an effective tool during the technology strategy analyzing process with a referenced case study. © IFIP international Federation for Information Processing 2009.

关键词： Radar

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Research of modeling method based on UML2.0 and temporal logic

Research of modeling method based on UML2.0 and temporal log...

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1st international conference on Information Science and Engineering, ICISE2009

作者： Gan, Jian-Hou Zhang, Shu Wen, Bin College of Computer Science and Information Technology Yunnan Normal University Yunnan Kunming 650092 China Archives of Yunnan Normal University Yunnan Kunming 650092 China

ISBN: (纸本)9780769538877

As a defacto industry standard, UML has been more and more widely used in software development. However, with the increase of software scale and complexity, deficiencies of UML are increasingly obvious. As the latest version of UML, UML2.0 has been improved and refined base on UML1.x. Whereas UML still lacks precise semantics which is difficult to analyze and validate the described model. In a unified temporal logic framework, temporal logic language XYZ/E can represent both static semantics and dynamic semantics. In addition, it supports stepwise refinement, model checking, as well as executable code automatically converted. Based on these, a practical scheme is proposed for modeling software with combining UML2.0 and XYZ/E, which also provides a formal basis for analysis and validation of the model. ©2009 IEEE.

关键词： Temporal logic

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Ubi-designer: A web-based toolkit for configuring and field-testing UbiComp prototypes 09

Ubi-designer: A web-based toolkit for configuring and field-...

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2nd international conference on PErvasive Technologies Related to Assistive Environments, PETRA 2009

作者： Vastenburg, Martijn H. Fjalldal, Halldór Mast, Charles Van Der Faculty of Industrial Design Engineering Delft University of Technology Landbergstraat 15 2628 CE Delft Netherlands Faculty of Electrical Engineering Mathematics and Computer Science Delft University of Technology Mekelweg 4 2628 CD Delft Netherlands

ISBN: (纸本)9781605584096

technology is now available for creating affordable sensor networks and infrastructures for ubiquitous computing environments. In the area of ambient assisted living, contextawareness is considered to be a key factor towards creating acceptable solutions that support elderly people in living independently in their homes as long as possible. Unfortunately, at the present state of technology, the design of context-aware products and services requires substantial technical knowledge. Consequently, product designers are often dependent on engineers for implementing prototypes and consequently prototyping their design concepts is a costly and time-consuming process. This paper presents a web-based toolkit that supports product designers in prototyping and configuring interactive context-aware services in multiple homes. The toolkit has been designed and tested in close collaboration with interaction designers. Using the toolkit, designers can make fast design iterations and eventually lower development cost. Copyright 2009 ACM.

关键词： Ubiquitous computing

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Design and development of an authoring tool for pedagogical relationship types between concepts

Design and development of an authoring tool for pedagogical ...

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17th international conference on computers in Education, ICCE 2009

作者： Albert, Dietrich Nussbaumer, Alexander Steiner, Christina M. Hendrix, Maurice Cristea, Alexandra Department of Psychology University of Graz Austria Department of Computer Science University of Warwick United Kingdom

ISBN: (纸本)9789868473539

In this paper the design and development approach of an authoring tool for defining pedagogical relationship types is described. Pedagogical relationship types are used to define adaptation strategies which can be exploited by an adaptation engine to create an adaptive course based on user model information. Taking into account domain models consisting of concepts and relationships between concepts, pedagogical relationships can be used to connect concepts of domain models in a pedagogical meaningful way. Each type of these relationships contains adaptation code which formally specifies the meaning of relationships on a technical and a pedagogical level. To support authors in creating these relationship types a tool is being developed which easily allows the authoring process.

关键词： Engines

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Research of B2B E- business Application & development technology Based on Web Services

Research of B2B E- business Application & Development Techno...

引用

2nd IEEE international conference on computer Science and Information technology

作者： Zhang, Xinlin Yin, Xiangdong Hunan Univ Sci & Engn Dept Comp Sci Yongzhou 425006 Hunan Peoples R China

ISBN: (纸本)9781424445189

Today, the B2B E-business systems in most enterprises usually have multiple heterogeneous and independent systems which are based on different platforms and operate in different functional departments. To deal with the increased services in future, an enterprise needs to expand its system continuously. This, however, will cause great inconvenience to the future system maintenance. To implement E-business successfully, a unified internal E-business integration environment must be established to integrate the internal system and thus realize a unified internal mechanism within the enterprise E-business system. The SOA (Service Oriented Architecture) architecture, however, can well meet the above requirements. The integration of SOA- architecture-based applications can reduce the dependency of different types of IT systems, reduce the cost of system maintenance and the complexity of the IT system operation, increase the flexibility of the system deployment, and at the same time exclude the barrier of service innovation. Research and application of SOA-architecture-based enterprise application systems has become a very important research project at present. As an important SOA implementation, Web services is a relatively new technology widely accepted by people. This is because Web services provides a distributed computing method for the heterogene- ous applications integrated in the Internet. It can integrate the applications running on the distributed servers which are connected through Intranet, Extranet, and Internet together. Based on SOA, this document designs an enterprise E-business application model and realizes a flexible and expandable E-business platform.

关键词： B2B E-business Web Services SOA Architecture of System

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Fuzzy temporal logic on fuzzy temporal constraint networks

Fuzzy temporal logic on fuzzy temporal constraint networks

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6th international conference on Fuzzy Systems and Knowledge Discovery, FSKD 2009

作者： Deng, Liguo Cai, Yunpeng Wang, Chen Jiang, Yan College of Software Shenyang Normal University Shenyang 110034 China

ISBN: (纸本)9780769537351

The aim of this work is to integrate the ideas of flexibility and uncertainty into Allen's interval-based temporal logic[1], defining a new formalism which extends classical interval Algebra. We refer to fuzzy temporal constraint satisfaction problem, in which constraints are satisfied to a degree, which is based on fuzzy sets. The main objective of this research is the development of a temporal reasoning system able to manage qualitative and quantitative information also affected by vagueness and uncertainty about the external reality reaches. Further analysis of some measures on fuzzy degrees turns out to be fundamental in order to precisely determine some of these queries. The results presented in this paper can be useful in the design of a system for fuzzy temporal reasoning under uncertainty. © 2009 IEEE.

关键词： computer circuits

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Comprehensive Assessment of Sustainable Utilization of Water Resources Based on RBF Neural Network Evaluation Method

Comprehensive Assessment of Sustainable Utilization of Water...

引用

international conference on Electronic computer technology

作者： Lei Hongjun Liu Xin N China Inst Water Conservancy & Hydroelect Power Zhengzhou 450011 Peoples R China

ISBN: (纸本)9780769535593

Comprehensive assessment of sustainable utilization of regional water resources, including three subsystems: social economy, water resources and eco-environment, is a large complicated and systematic evaluating problem. The selection of the index system for the regional sustainable development of water resources was discussed herein. Furthermore, a neural network methodology for regional water resources evaluation was introduced. The method adopts the Radial Basis Function (RBF) architecture and dynamically penalized rival competitive learning algorithm, which is fast and repetitive, compared with most traditional techniques. Additionally, a new approach to produce training samples, testing samples and examining samples randomly distributed between the critical values was established. The sample used consists of 16 indexes, and by using the proposed methodology, the sustainable evaluation of regional water resources could be successfully done. Results showed that from 1994 to 2005, the comprehensive index of water resources sustainable utilization in Zhengzhou city ascended with a fast speed of 0.023 per year, from sustainable development level IV to level Ill. The calculation with the model showed that, the comprehensive index of water resources sustainable utilization in the future planning years (2010, 2015, and 2020) could be enhanced with a speed of 0.011 per year. A sensitive analysis indicates that it is necessary to increase eco-environmental water consumption rate, industrial output from each cubic meter of water consumption, public greenbelt area per capita, foodstuff output from each cubic meter of water consumption, and to ensure that natural growth rate of population decreases steadily, which are playing an important role in improving sustainable utilization of water resources in Zhengzhou city.

关键词： Regional water resources Sustainable development level Evaluation index RBF architecture Neuron network

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High throughput implementation of MD5 algorithm on GPU

High throughput implementation of MD5 algorithm on GPU

引用

4th international conference on Ubiquitous Information Technologies and Applications, ICUT 2009

作者： Hu, Guang Ma, Jianhua Huang, Benxiong Department of Electron and Information Huazhong University of Science and Technology Wuhan China Faculty of Computer and Information Sciences Hosei University Tokyo 184-8584 Japan

ISBN: (纸本)9781424451302

Graphics Processing Unit (GPU) has evolved into a highly parallel, multithreaded, many-core processor with tremendous computational capability. The introduction of Compute Unified Device Architecture (CUDA) simplifies the software development on GPU and allows direct access to GPU resources. It's an effective way to improve the hashing performance in high-speed network and storage systems by using GPU as a coprocessor of CPU to execute the hash encryption algorithm. This paper puts forward a CUDA-based design of the MD5 hash algorithm on GPU according to the specific application needs and presents its implementation as well as its comprehensive optimization in terms of the characteristics of GPU and CUDA. © 2009 IEEE.

关键词： Graphics processing unit

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