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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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Critical appraisal on project management approaches in e-Government

Critical appraisal on project management approaches in e-Gov...

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international conference on ICT and Knowledge Engineering

作者： Demetrios Sarantis Dimitris Askounis Steve Smithson School of Electrical and Computer Engineering National and Technical University of Athens Athens Greece Information Systems and Innovation Group London School of Economics and Political Science London UK

ISBN: (纸本)9781424445134

This contribution provides a critical appraisal of three of the contemporary project management approaches against e-Government challenges. Most of the project management approaches, put forward during e-Government projects' implementation, are more suitable for the management of the overall development of information systems, rather than being directly targeted on the specific e-Government needs. The incorporation of information technologies in the public management raises different challenges compared to ones encountered in the private sector. This paper identifies the major challenges that characterize the management of e-Government initiatives. This paper recognizes the weaknesses of the contemporary project management approaches against the identified e-Government challenges to make the appraisal more systematic and more suitable for the successful management of e-Government projects. Future analysis of the results will guide the identification of project management gaps, contributing to the better understanding of the factors that lead to governmental IT projects success or failure.

关键词： Appraisal Project management Electronic government Management information systems Information technology technology management Failure analysis Technological innovation Monitoring Performance analysis

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A Mapping Mechanism for Objects Persistence in Multivalued Database

A Mapping Mechanism for Objects Persistence in Multivalued D...

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2009 2nd IEEE international conference on computer Science and Information technology（ICCSIT 2009）

作者： Sai Peck Lee Faculty of Computer Science and Information Technology University of Malaya Kuala Lumpur50603 Malaysia

Objects persistence has been popular recently since it has become a necessary practice to shuttle objects between in-memory and in-storage *** researchers focus on objects to relational data model mapping but few on objects to multivalued data model(O/M).Nevertheless,existing mapping mechanisms are either hard to be extended or difficult to be *** paper presents a mechanism for mapping from objects to multivalued databases.A detailed mapping solution is ***,an interactive mapping configuration facility has been developed to ease the configuration instead of manual scripts *** show that around 92% of the time is saved to configure the domain classes mapping by using the configuration facility of the proposed persistence mechanism in contrast to manual editing used in other similar mapping *** results show that this mapping mechanism not only shortens the overall development period,but also comparatively easy to be managed and extended.

关键词： persistence framework,object,multivalued database,mapping mechanism,software reuse

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Pipeline power reduction through single comparator-based clock gating

Pipeline power reduction through single comparator-based clo...

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international SoC Design conference, ISOCC

作者： Wei Wang Yu-Chi Tsao Ken Choi SeongMo Park Moo-Kyoung Chung Department of Electrical and Computer Engineering Illinois Institute of Technology Chicago USA Electronics and Telecommunications Research Institute IT Convergence and Components Laboratory SoC Research and Development Group Daejeon South Korea

ISBN: (纸本)9781424450343;9781424450350

Enable-based Clock Gating (ECG) during synthesis to reduce the pipeline power consumption is widely used in scaled technologies. However, the ECG does not provide optimal solution at all in terms of power because it is synthesized by a global way and it does not consider the correlation between clock-enable signal and data signal. We propose a novel single comparator-based clock gating (SCCG) scheme to enhance the ECG for pipeline. In the proposed SCCG, enable signal is moved from data path to control logic, the data signal is analyzed, and only single comparator is used to implement the clock-gating for all the pipeline stages. Simulation results show that our proposed SCCG can save average 47.03% of total power with small 4-stage pipeline benchmark and can save 11.3% of total power with industrial multimedia-mobile processor design by using 90 nm industrial technology library comparing with the ECG-based designs.

关键词： Pipelines Clocks Electrocardiography Signal synthesis Energy consumption Logic Data analysis Signal analysis Process design Libraries

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Reuse in Digital Game development

Reuse in Digital Game Development

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international conference on Ubiquitous Information Technologies and Applications (ICUT)

作者： Beatriz Neto Lucia Fernandes Claudia Werner Jano Moreira de Souza Systems and Computing Engineering Department Federal University of Rio de Janeiro Rio de Janeiro Brazil

Gaming is an old habit for humans and, with the advent of the PC this tradition has been changed by technology. Every year brings new challenges, in a digital format, that lead young and adults to spend hours in front of a computer or TV screen in the attempt to overcome hurdles and reach an objective. The quality, sophistication, and constant innovation are attained through complex computer software that almost has the obligation to get better at each new title released, making game development a challenge that is as hard or even harder for their developers. Considering that a game title is software and thus faces the same restrictions of business applications, this article intends to analyze, under the optics of reuse, if game development resorts to re-use, and where and how this happens.

关键词： Games Engines Systems engineering and theory Software quality Manufacturing industries Toy industry Toy manufacturing industry Large-scale systems Monopoly Wikipedia

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Plenary presentation B

Plenary presentation B

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IEEE international SOC conference

作者： Liang-Gee Chen Department of Electrical Engineering Office of Research and Development National Taiwan University of Science and Technology Taiwan

Due to the continue driving of the Moore's law, semiconductor technology make the tera-scale integration become possible. With so many transistors in a single chip, many dream applications become possible. Designers are eager to use those tremendous capacity of the integration circuits to bring more intelligent, more smart functions. One of the challenge target is can we design the circuits to make the SOC perform tasks that humans do quickly and easily? Can we make the computer to recognize images, understand language, learn knowledge, and control robots? In this presentation, the concept of Bio-inspiring computing which takes the advantages of neural science will be described. Some previous studies tried to explain the behavior of the human neocortex and provide a framework for building models that could be implemented and executed with Tera-scale SOC. Research suggested that the structure of the neocortex is hierarchical, and that the emulation of 6 levels of hierarchy is sufficient to achieve sophisticated recognition and analysis of visual images. Some experimental results will be presented to demo the possibility. It could be the dawn of the age of intelligence machines and neocortical computing. There will be many opportunities that Tera-scale SOC could create.

关键词： Circuits Humans Image recognition Moore's Law Application software Intelligent robots Robot control Buildings Emulation Image analysis

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Rules Extraction from ANN Based on Clustering

Rules Extraction from ANN Based on Clustering

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2009 international conference on Computational Intelligence and Natural Computing(CINC 2009)

作者： Jie Ma,Dongwei Guo,Miao Liu,Yu Ma,Sha Chen College of computer Science and technology Jilin University ChangChun,China

We propose a novel algorithm based on clustering to extract rules from artificial neural networks. After networks Beijing trained and pruned successfully,innerrules are generated by discrete activation values of hidden units. Then,weights between input and hidden units are clustered to decrease the complexity of rules extraction. In clustering phase,the clustered number of weights can be adjusted dynamically according to activation values of their corresponding hidden units. The experimental results demonstrate that this algorithm is effective.

关键词： rules extraction clustering artificial neural network

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An unsupervised scheme for speaker indexing of audiodatabases

An unsupervised scheme for speaker indexing of audiodatabase...

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2009 IEEE international conference on Intelligent Computing and Intelligent Systems(ICIS2009)

作者： Yanxiang Chen College of computer Science & Information Hefei University of technology Hefei,Anhui 230009,China Ming Liu Department of Electrical & computer Engineering University of Illinois at Urbana-Champaign Urbana,Illinois 61801,USA

Speaker indexing of an audio database consists in organizing the audio data according to the speakers present in the *** paper investigates on segmenting and clustering continuous audio streams automatically by speaker with no prior speaker *** is composed of two steps:(1) segmentation based on GLR distance measure and BIC refinement,(2) clustering based on agglomerative clustering and pruning *** aim is to produce just one pure cluster for every *** are presented using the data sets derived from the Switchboard corpus and the effectiveness of the proposed scheme is shown.

关键词： speaker indexing GLR distance measure BIC refinement pruning selection

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Text Mining for Bioinformatics:State of the Art Review

Text Mining for Bioinformatics:State of the Art Review

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2009 2nd IEEE international conference on computer Science and Information technology（ICCSIT 2009）

作者： Yanliang Qi Department of Information Systems New Jersey Institute of technology Newark NJ 07102 USA Yang Zhang Department of computer Science New Jersey Institute of technology Newark NJ 07102 USA Min Song Department of Information Systems New Jersey Institute of technology Newark NJ 07102 USA

Biomedical literatures have been increased at the exponential *** find the useful and needed information from such a huge data set is a daunting task for *** mining is a powerful tool to solve this *** this paper,we surveyed on text mining in Bioinformatics with emphasis on applications of text mining for *** this paper,the main research directions of text mining in bioinformatics are accompanied with detailed *** paper suited the need for the state-of-the-art of the field of text mining in Bioinformatics because of the rapid development in both text mining and ***,the problems and future way are identified at last.

关键词： text mining bioinformatics gene expression gene annotation systems biology named entity recognition mirco array analysis

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A novel SoC architecture on FPGA for ultra fast face detection

A novel SoC architecture on FPGA for ultra fast face detecti...

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IEEE international conference on computer Design: VLSI in computers and Processors, (ICCD)

作者： Chun He Alexandros Papakonstantinou Deming Chen Research Institute of Electronic Science & Tech University of Electronic Science and Technology China Electrical & Computer Engineering University of Illinois Urbana-Champaign IL USA

Face detection is the cornerstone of a wide range of applications such as video surveillance, robotic vision and biometric authentication. One of the biggest challenges in face detection based applications is the speed at which faces can be accurately detected. In this paper, we present a novel SoC (System on Chip) architecture for ultra fast face detection in video or other image rich content. Our implementation is based on an efficient and robust algorithm that uses a cascade of Artificial Neural Network (ANN) classifiers on AdaBoost trained Haar features. The face detector architecture extracts the coarse grained parallelism by efficiently overlapping different computation phases while taking advantage of the finegrained parallelism at the module level. We provide details on the parallelism extraction achieved by our architecture and show experimental results that portray the efficiency of our face detection implementation. For the implementation and evaluation of our architecture we used the Xilinx FX130T Virtex5 FPGA device on the ML510 development board. Our performance evaluations indicate that a speedup of around 100X can be achieved over a SSE-optimized software implementation running on a 2.4 GHz Core-2 Quad CPU. The detection speed reaches 625 frames per sec (fps).

关键词： Field programmable gate arrays Face detection computer architecture Parallel processing Artificial neural networks Video surveillance Robot vision systems Biometrics Authentication System-on-a-chip

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SAFE: Scalable Autonomous Fault-tolerant Ethernet

SAFE: Scalable Autonomous Fault-tolerant Ethernet

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international conference on Advanced Communication technology (ICACT)

作者： Kiyong Kim Yeonseung Ryu Jong-myung Rhee Dong-ho Lee Department of Computer Software Myongji University South Korea Department of Communication Engineering Myongji University South Korea Agency for Defence Development South Korea

In this paper, we present a new fault-tolerant Ethernet scheme called SAFE (scalable autonomous fault-tolerant ethernet). SAFE scheme is based on software approach which takes place in layer 2 and layer 3 of the OSIRM. The goal of SAFE is to provide scalability, autonomous fault detection and recovery. SAFE divides a network into several subnets and limits the number of nodes in a subnet. Network can be extended by adding additional subnets. All nodes in a subnet automatically detect faults and perform fail-over by sending and receiving Ethernet based heartbeat each other. For inter-subnet fault recovery, SAFE manages master nodes in each subnet. Master nodes communicate each other using IP packets to exchange the subnet status. We also propose a master election algorithm to recover faults of master node automatically. Proposed SAFE performs efficiently for large scale network and provides fast and autonomous fault recovery.

关键词： Fault tolerance Ethernet networks Heart beat Network interfaces Communication cables Fault detection Scalability Software safety Switches Communication switching

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