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Operon Prediction Using Particle Swarm Optimization and Reinforcement Learning

Operon Prediction Using Particle Swarm Optimization and Rein...

引用

International Conference on Technologies and Applications of Artificial Intelligence (TAAI)

作者： Li-Yeh Chuang Jui-Hung Tsai Cheng-Hong Yang Department of Chemical Engineering & Institute of Biotechnology and Chemical Engineering I-Shou University Kaohsiung Taiwan Department of Computer Science and Information Engineering National University of Kaohsiung Kaohsiung Taiwan Department of Electronic Engineering National Kaohsiung University of Applied Sciences Kaohsiung Taiwan Department of Network Systems Tokyo University Chiayi Taiwan

An operon is a fundamental unit of transcription contains a specific function of genes for the construction and regulation of networks at the whole genome level. The operon prediction is critical for the understanding of gene regulation and functions in newly sequenced genomes. Various methods for operon prediction have been proposed in the literature shows that the experimental methods for operon detection are tend to be non-trivial and time-consuming. In this study, a binary particle swarm optimization (BPSO) and reinforcement learning (RL) are used for operon prediction in bacterial genomes. The intergenic distance, participation in the same metabolic pathway and the gene length ratio property of the Escherichia coli genome are used to design a fitness function based on the conception of RL. Then the three genomes are used to test the prediction performance of BPSO with RL. Experimental results show that the prediction accuracy of this method reached to 92.8%, 94.3% and 95.9% on Bacillus subtilis, Pseudomonas aeruginosa PA01 and Staphylococcus aureus genomes respectively. The proposed method for the predicted operons with the highest accuracy contains the three test genomes.

关键词： Genomics Bioinformatics Accuracy Sensitivity and specificity Learning Microorganisms

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A framework to improve adaptability in web service composition

A framework to improve adaptability in web service compositi...

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2010 2nd International Conference on computer engineering and Technology, ICCET 2010

作者： Lian, Wenjuan Zeng, Qingtian Liang, Yongquan Yan, Jingjing College of Network Eng. Shandong University of Science and Technology Qingdao Shandong 266510 China College of Information Science and Eng. Shandong University of Science and Technology Qingdao Shandong 266510 China Department of Computer Engineering TaiZhou Vocational and Technical College Taizhou Zhejiang 318000 China

ISBN: (纸本)9781424463503

Web service combination, which integrates independent and modular distributed services, has loosely coupled, location transparent, protocol independent and other characteristics, but it is still lack of autonomic, self-adaptive and self-organized characteristics, and it's difficult to deal with the complex, dynamic, open and uncertain Internet environment. A framework to improve composition adaptability of web services is proposed in the paper. This framework makes use of agents to supervise and manage service composition implementation. It can deal with various service failures, face different circumstances, and ultimately improve the adaptability of service composition in real-time context-aware style. To evaluate the proposed framework, the prototype implementation and data analysis are given at last. © 2010 IEEE.

关键词： Web services

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Peer-assisted Video-on-Demand with an informed interface of chunk availability

Peer-assisted Video-on-Demand with an informed interface of ...

引用

IEEE Symposium on Web Society, SWS

作者： Jian Wang Xiumei Wu Na Guo Changyong Niu Department of Network Engineering Shanghai Second Polytechnic University China Shanghai Media Info Company Shanghai China Department of Computer Science University of Zhengzhou China

Video-on-Demand (VoD) is popular on the Internet for offering time-unconstrained viewing experience. In order to reduce their operational costs, VoD service providers call for assistance of the participating peers via employing peer-to-peer technologies. However, perfect viewing experiences perceived on the home DVD players are still hardly (or impractical) implemented on the Internet because of Internet features, provider costs, media characteristics, and viewer behaviors. In this paper, we are motivated to take viewer behaviors into account. Specifically, information of media chunks being available in neighborhood is compactly represented on the interface of viewers' clients. The viewers in turn may bias their future VCR operations towards the currently available chunks for achieving a seldom interrupted media playback. As a side effect, VoD providers are more likely to reduce their operational costs for serving asynchronously arriving viewers.

关键词： Media Video recording Buffer storage Peer to peer computing Streaming media Internet Servers

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Analyses of “strange” phenomena in Integration of Information Communication Technology into Curriculum

Analyses of “strange” phenomena in Integration of Informat...

引用

International Conference on computer Science and Information Technology (CSIT)

作者： Yajie Wang Meifeng Liu Department Computer Teaching and Network Information Beijing University of Civil Engineering and Architecture Beijing China Department Education Technology Beijing Normal University Beijing China

In this paper, four typical phenomena in the Integration of Information Communication Technology (ICT) into Curriculum were introduced and analyzed based on the specific cases of classroom teaching and the teachers' description. The reasons were deemed to be: the unclear guidelines, the lack of teachers' inner driving force, no form of the integration of ICT into curriculum from system point of view. Besides, the integration of ICT into curriculum could be effectively facilitated if we could help teachers use technology to establish the inner driving force through “samples” and encourage teachers to become researchers.)

关键词： Educational institutions Physics computers

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Region Based Data Dissemination Scheme for Mobile Sink Groups in Wireless Sensor networks

Region Based Data Dissemination Scheme for Mobile Sink Group...

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2010 IEEE Global Telecommunications Conference GLOBECOM 2010

作者： Hyungjoo Lee Jeongcheol Lee Sang-Ha Kim Sungkee Noh Department of Computer Engineering Chungnam National University Daejeon South Korea Department of Future Network Research Electronics and Telecommunications Research Institute Daejeon South Korea

In many applications of Wireless Sensor networks (WSNs), the sensing data are disseminated from a source to multiple mobile sinks. Since WSNs consists of a number of sensor nodes with limited capabilities, previous studies mainly discuss on how to send the data efficiently and do not consider the group mobility of mobile sinks that move together staying closely and randomly move within a geographically restricted region. Although the existing multicasting protocols could be applied, they suffer from high congestion and control overhead due to location updates by individual mobile sinks. Geocasting protocols are effective for data delivery to a sink group within a restricted region, but do not guarantee since they only focus on transmitting data to all nodes within a stationary region. Therefore, we propose Region Based Data Dissemination (RBDD) scheme to address these problems. RBDD provides efficient data dissemination scheme for mobile sink groups, so it guarantees data transmission when a sink group does not only move as a whole, but its member sinks also move inside of the region or outside of it. Simulation results show that RBDD guarantees data delivery to a mobile sink group.

关键词： Mobile communication Peer to peer computing Energy consumption Wireless sensor networks Floods Mobile computing Periodic structures

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The filtering technology of spam based on Re-Study Bayes arithmetic

The filtering technology of spam based on Re-Study Bayes ari...

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2nd International Conference on Information Science and engineering, ICISE2010

作者： Liu, Ya-Shu Yan, Han-Bing Department of Computer Science Beijing University of Civil Engineering and Architecture Beijing China National Computer Network Emergency Response Technical Team Coordination Center of China Beijng China

ISBN: (纸本)9781424480968

Email has been one of the most important communication tools in modern society. Email spam has been around for more than a decade and its quantity greatly exceeds the ham. How to prevent spam spreading becomes an important problem and the anti-spam technology has become a hotspot both in research and industry area. This paper proposes a Re-Study Bayes method which uses information gain(IG) to calculate email characters and updates the characters set by re-study mode. By this method, the feature dimension is reduced, while the efficiency of extracting characteristics is highly improved. And the experiment in this paper gets more accurate results than previous methods. © 2010 IEEE.

关键词： Industrial research

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Design and Implementation of Digital Campus Based on LBS and WSN

Design and Implementation of Digital Campus Based on LBS and...

引用

2010 International Conference on computer and Information Application(2010年计算机与信息应用国际会议 ICCIA 2010)

作者： Yunchen Jiang Shanshan Wan Department of Laboratory and Equipment Management Beijing Institute of Technology Beijing. China Computer and Network Department Beijing University of Civil Engineering and Architecture Beijing Ch

Digital campus is one important part to the digital earth and Internet of Things. Based on the analysis of the LBS performance, structure, function and the present research status of digital campus we propose a digital campus design project based on LBS and we discuss the architecture. We take a campus as a simulation implement. Map engine is the tool of implementation of the LBS platform. GIS is used here to give the navigation and the platform is combined and advanced with virtual reality technology such as VRML. Though the platform we achieve a terminal location, map query, three-dimensional browsing, navigation and guides tracking and monitoring, and other functions. The LBS platform improves the work and study efficiency of teachers and students, accelerates the construction and application of digital campus, and provides a new idea for the future development of digital campus system.

关键词： digital campus LBS WSN VRML positioning technology

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Enhancing Feedbacks on Learning Word Problems with a Small Game

Enhancing Feedbacks on Learning Word Problems with a Small G...

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IEEE International Workshop on Digital Game and Intelligent Toy Enhanced Learning (DIGITEL)

作者： Willson Lin Peggy Li Tak-Wai Chan Oskar Ku Hercy N.H. Cheng Graduate Institute of Network Learning Technology National Central University Taiwan Department of Computer Science and Information Engineering National Central University Taiwan

Mastering the skills in solving word problems is one of the important goals in elementary mathematics education; however, word problems are sometimes difficult for students, resulting in frustration. In this study, the authors design a small game, called Down! Down! Irised Boxes. When students make their effort to solve word problems, they can also interact with the game. The game transforms students' performance into interesting feedbacks in order to enhance students' motivation for solving word problems.

关键词： Feedback Mathematics Games Shape Intelligent networks computer science Problem-solving Kernel Educational programs

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Location-Based Directional Broadcast for Inter-Vehicle Communications

Location-Based Directional Broadcast for Inter-Vehicle Commu...

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IEEE Conference on Vehicular Technology (VTC)

作者： Li-Der Chou Yao-Tsung Yang Department of Computer Science and Information Engineering National Central University Taoyuan Taiwan Broadband Network Laboratory Chunghwa Telecom Laboratories Taoyuan Taiwan

Safety is the only way home. Broadcasting techniques have been applied widely to improve the traffic safety, especially pileup crash avoidance by sending the emergency messages to alert drivers; however, such application often suffers from the broadcast storm, hidden node, interference, and contention problem. In the paper a novel area-based broadcast protocol was proposed. Its relaying model running at the receiver side based on the position and velocity properties of the sender and the receiver can deliver the emergency message very fast. The simulation results show that not only can it take 8.5 ms with 11 retransmissions in average to disseminate 3.5 km away from the sender but also it has the less delay and retransmission rate in comparison with other protocols.

关键词： Vehicles Protocols Road transportation Receivers Delay Relays Driver circuits

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The filtering technology of spam based on Re-Study Bayes arithmetic

The filtering technology of spam based on Re-Study Bayes ari...

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International Conference on Information Science and engineering (ICISE)

作者： Ya-Shu Liu Han-Bing Yan Department of Computer Science Beijing University of Civil Engineering and Architecture Beijing China Response Technical Team Coordination Center of China National Computer Network Emergency Beijing China

关键词： Unsolicited electronic mail Filtering Industries Feature extraction Support vector machines computer architecture

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