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An agent-based personalized multimedia Jukebox for mobile devices using consumption sentiment

An agent-based personalized multimedia Jukebox for mobile de...

引用

2010 International Conference on Consumer Electronics, ICCE 2010

作者： Park, Won-Ik Choi, Miseon Kim, Young-Kuk Dept. C. E. Chungnam University Daejeon Korea Republic of Human Resource Development Consortium Next Generation Software in Information Tech. Chungnam University Daejeon Korea Republic of

ISBN: (纸本)9781424443161

This paper classifies the user's purchase pattern into four types of behavior, and proposes an agent-based personalized multimedia Jukebox that provides a personalized service on the client side. The proposed Jukebox assists the efficient management of numerous multimedia contents stored in a personal desktop computer, and provides personalized multimedia contents to the mobile device based on a push service type. ©2010 IEEE.

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A hybrid cache coherency scheme for ubiquitous mobile clients

A hybrid cache coherency scheme for ubiquitous mobile client...

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2nd International Conference on Convergent information technology, ICCIT 07

作者： Choi, Miseon Park, Wonik Kim, Young-Kuk Human Resource Development Consortium for Next Generation Software in Information Technology Chungnam National University 220 Gung-dong Yuseong-Gu Daejeon 305-764 Korea Republic of Department of Computer Engineering Chungnam National University 220 Gung-dong Yuseong-Gu Daejeon 305-764 Korea Republic of

ISBN: (纸本)0769530389

We propose a new cache coherency scheme named HCCS(Hybrid Cache Coherency Scheme) to facilitate ubiquitous data access of mobile clients. To cope with the limitations of ubiquitous computing environments, it integrates the cache invalidation scheme using broadcast channel into the publish/subscribe-based data synchronization scheme using two-way communication channel. We present novel algorithms and system architecture for the HCCS. By integrating two schemes, the HCCS provides substantial benefits: allows updates on the mobile client which are restricted in the cache invalidation scheme using broadcast channel and disconnected operations, improves the scalability. The HCCS scheme also gives proper support to the short disconnection of mobile clients, dynamically adapts to changes of disconnection period of the mobile clients. © 2007 IEEE.

关键词： Ubiquitous computing

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Selection of orthogonal features in fisher discriminant analysis

Selection of orthogonal features in fisher discriminant anal...

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Informatics 2008 and Data Mining 2008, MCCSIS'08 - IADIS Multi Conference on Computer Science and information Systems

作者： Sun, Zhaojia Choi, Miseon Park, Cheong Hee Kim, Young-Kuk Department of Computer Engineering Chungnam National University 220 Gung-dong Yuseong-Gu Daejeon 305-764 Korea Republic of Human Resource Development Consortium for Next Generation Software in Information Technology Chungnam National University 220 Gung-dong Yuseong-Gu Daejeon 305-764 Korea Republic of

ISBN: (纸本)9789728924638

Conventional Fisher Linear Discriminant analysis (FLD) for pattern classification yields a single dominant feature which comes from the unique eigenvector having a nonzero eigenvalue due to a rank-one matrix. Consequently *** had developed an optimal orthogonal system for FLD, and it had a good performance on applications. Recently S. Mika extended FLD to nonlinear kernel space. The extension is called Kernel Fisher Discriminant (KFD) which is related to a support vector machine. Despite of its better performance, it has the limitation which has only m-1 features on m-class classification problem. We propose a novel method that applies on this orthogonal system and achieves better performance by finding more orthogonal features in the nonlinear feature space. The simulation result shows that our method is more effective in pattern recognition. © 2008 IADIS.

关键词： Eigenvalues and eigenfunctions

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Two-phase mobile transaction validation in wireless broadcast environments 09

Two-phase mobile transaction validation in wireless broadcas...

引用

3rd International Conference on Ubiquitous information Management and Communication, ICUIMC'09

作者： Choi, Miseon Park, Wonik Kim, Young-Kuk Human Resource Development Consortium for Next Generation S/W in Information Technology Chungnam National University Gung-dong Yuseong-Gu Daejeon 305-764 Korea Republic of Department of Computer Engineering Chungnam National University Gung-dong Yuseong-Gu Daejeon 305-764 Korea Republic of

ISBN: (纸本)9781605584058

In this paper, we propose a two-phase mobile transaction validation protocol making the best use of the strong point of (1, m) indexing broadcast data organization in wireless broadcast environments. It is based on OCC(Optimistic Concurrency Control) protocol which minimizes the excessive bi-directional communication by making transactions execute unhindered to their validation point. In the proposed protocol, the validation of a mobile transaction is performed in two-phase: partial validation phase and final validation phase. The partial validation is performed at the mobile client based on the control information contained in the broadcast disk and the final validation is performed on the committed and active transactions at the server. The proposed protocol tries to minimize the restart rate of mobile transactions as well as average transaction response time through adjusting serialization order of mobile transactions by exploiting the potential read/write set of mobile transactions. Copyright 2009 ACM.

关键词： Concurrency control

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A split synchronizing mobile transaction model 08

A split synchronizing mobile transaction model

引用

Proceedings of the 2nd international conference on Ubiquitous information management and communication

ISBN: (纸本)9781595939937

We propose a new notion of hoardset fragmentablilty and SSMT(Split Synchronizing Mobile Transaction) model for ubiquitous mobile clients, which not only assures transaction atomicity in synchronization but also reduces synchronization cost and provides context-awareness in ubiquitous computing environment with uneven conditioning. It splits the synchronization process of a mobile transaction into 2 parts by exploiting the hoardset fragmentability of data objects which the mobile transaction access: preferred and deferred synchronization part. The deferred synchronization part which has no possibility of conflict uses the data-centric synchronization strategy and its synchronization is delayed. The preferred synchronization part with possibility of conflicts is synchronized early using the transaction-centric synchronization strategy. We also propose a new data hoarding and synchronization mechanism which facilitates the split synchronization of SSMT. The performance evaluation model for the SSMT is developed and its results are compared to a conventional transaction-centric synchronization model. © 2008 ACM.

关键词： Synchronization

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An agent-based personalized multimedia Jukebox for mobile devices using consumption sentiment 2

An agent-based personalized multimedia Jukebox for mobile de...

引用

IEEE International Conference on Consumer Electronics (ICCE)

作者： Won-Ik Park Miseon Choi Young-Kuk Kim Department C E Chungnam National University Daejeon South Korea Human Resource Development Consortium for Next Generation Software in Information Technology Chungnam National University Daejeon South Korea

ISBN: (纸本)9781424443147

关键词： Content management Mobile computing humans Pattern analysis Electronic mail Multimedia systems Scalability Taxonomy Computer architecture

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A Hybrid Cache Cohrency Scheme for Ubiquitous Mobile Clients

A Hybrid Cache Cohrency Scheme for Ubiquitous Mobile Clients

引用

International Conference on Convergence information technology

作者： Miseon Choi Wonik Park Young-Kuk Kim Human Resource Development Consortium for Next Generation Software in Information Technology Chungnam National University Daejeon South Korea Department of Computer Engineering Chungnam National University Daejeon South Korea

ISBN: (纸本)9780769530383

We propose a new cache coherency scheme named HCCS(hybrid cache coherency scheme) to facilitate ubiquitous data access of mobile clients. To cope with the limitations of ubiquitous computing environments, it integrates the cache invalidation scheme using broadcast channel into the publish/subscribe-based data synchronization scheme using two-way communication channel. We present novel algorithms and system architecture for the HCCS. By integrating two schemes, the HCCS provides substantial benefits: allows updates on the mobile client which are restricted in the cache invalidation scheme using broadcast channel and disconnected operations, improves the scalability. The HCCS scheme also gives proper support to the short disconnection of mobile clients, dynamically adapts to changes of disconnection period of the mobile clients.

关键词： Wireless networks Mobile computing Broadcasting Ubiquitous computing Scalability information technology Transaction databases Pervasive computing Communication channels Bandwidth

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A Music Recommendation System in Mobile Environment

A Music Recommendation System in Mobile Environment

引用

IEEE International Conference on Consumer Electronics (ICCE)

作者： Won-Ik Park Sanggil Kang Miseon Choi Young-Kuk Kim Department C. E. Chungnam National University Daejeon South Korea Department of C. E. Inha University Incheon South Korea Human Resource Development Consortium of Next Generation Software in Information Technology Chungnam National University Daejeon South Korea

In this paper, we present an agent-based personalized web Service System in music web page. In computing the preference, we develop the recommendation algorithm using the ratio of the length of each web page and users... 详细信息

关键词： Recommender systems Web pages Web services Frequency Electronic mail History Equations Monitoring Personal digital assistants Service oriented architecture

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