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International Conference on Electrical Engineering and Informatics, ICEEI

作者： Riza Azmi Hary Budiarto Rahmat Widyanto Faculty of Computer Science University of Indonesia Kampus UI Depok Depok Indonesia Agency for the Assessment and Application of Technology (BPPT) Jalan Mohammad Husni Thamrin Jakarta Indonesia

Indonesia has the potential to natural disasters, especially the tsunami and earthquake. This is because the position of Indonesia is located on 3 major fire plates which is the Mediterranean plate, Pacific Plate and the Australian plate hence, disaster emergency warning system is absolutely necessary in Indonesia. Reviewing the disaster emergency warning system standard, ISDB and DMB has successfully create a standard and message architecture for the disaster warning whereas DVB has an optional Service Information called Announcement Service for this situation. However, during the digital television transition Indonesia, it required disaster mechanism that can cover Indonesia area and can add some information that case to Indonesia. In this study, we propose a disaster emergency warning system standard for DVB which contain message flow architecture and transmitter and receiver standard. This standard is proposed for the requirement of digital TV transition in Indonesia. This study creates a disaster warning system prototype which contain multiplexer server, set-top-boxes and message flow architecture for alerting the disaster.

关键词： Alarm systems Multiplexing Digital video broadcasting Servers TV Receivers Digital multimedia broadcasting

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PRINCIPAL COMPONENT ANALYSIS AND SELF-ORGANIZING MAP FOR VISUAL CLUSTERING OF MACHINE-PART CELL FORMATION IN CELLULAR MANUFACTURING SYSTEM

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Systems Research Forum 2011年第1期5卷 25-51页

作者： MANOJIT CHATTOPADHYAY PRANAB K. DAN SITANATH MAZUMDAR Department of Computer Application Pailan College of Management and Technology West Bengal India Department of Industrial Engineering and Management School of Engineering and Technology West Bengal University of Technology West Bengal India Social Welfare and Business Management Calcutta University West Bengal India Professor & Dean Faculty Counsil for P.G. Studies in Commerce.

The present paper attempts to generate visual clustering and data extraction of cell formation problem using both principal component analysis (PCA) and self-organizing map (SOM) from input of sequence based on the machine-part incidence matrix. Firstly, the focus is to utilize PCA for extracting high-dimensionality of input variables and project the dataset onto a 2D space. Secondly, the unsupervised competitive learning of SOM algorithm is used for data visualization and subsequently, to solve cell formation problem based on ordinal sequence data via the node cluster on the SOM map. Although the numerically illustrated results from dataset revealed that PCA has explained most of the cumulative variance of data but in reality, when the very large-dimensional cell formation problem based on sequence is available then, obtaining the clustering structure from PCA projection becomes very difficult. Most importantly, in the visual clustering of ordinal data, the use of U-matrix alone cannot be efficient to get the cluster structure but with color extraction, hit map, labeling via the SOM node map it becomes a powerful clustering visualization methodology and thus, the present research contribute significantly in the research of cellular manufacturing.

关键词： Cellular manufacturing operation sequence self-organizing map principal component analysis visual clustering U-matrix

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Risk-driven web services selection based on stochastic QoS

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ICIC Express Letters 2011年第7期5卷 2269-2274页

作者： Fu, Xiaodong Yue, Kun Zou, Ping Wang, Feng Yunnan Key Lab of Computer Technology Application Kunming University of Science and Technology No. 68 Wenchan Road 121 Ave. Kunming 650500 China Faculty of Information Engineering and Automation Kunming University of Science and Technology No. 68 Wenchan Road 121 Ave. Kunming 650500 China School of Information Science and Engineering Yunnan University No. 2 Cuihu North Road Kunming 650091 China

Open and dynamic environments lead to the stochastic nature of QoS (Quality of Service). This makes customers be required to select the Web services with minimal risk so that the possibility of the difference between actual QoS performance and the ex- pected is minimized. In this paper, we propose a stochastic QoS-aware services selection approach that is formulated as a stochastic Multiple Attribute Decision Making (MADM) model. In this model, QoS of the candidate services is random variables with known probability distributions. By combining user constraints and probability distributions of QoS, semi-variance is used to evaluate QoS risk of alternatives. Thus, the stochastic MADM problem can be transformed into a deterministic one, which is solved with Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). Example and simulation results show the effectiveness of our approach for services selection. © 2011.

关键词： Quality of service

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applications of clustering algorithms and self organizing maps as data mining and business intelligence tools on real world data sets

Applications of clustering algorithms and self organizing ma...

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2nd International Conference on Methods and Models in computer Science, ICM2CS-2010

作者： Singh, Lavneet Singh, Savleen Dubey, Parminder Kumar Faculty of Management and Computer Application R.B.S. College Agra India Noida Institute of Engineering and Technology Greater Noida India

ISBN: (纸本)9781424497034

Partitioning a large set of objects into homogeneous clusters is a fundamental operation in data mining. The k-means algorithm is best suited for implementing this operation because of its efficiency in clustering large data sets. In this paper we present a comparative study on different clustering algorithms with respect to k - means clustering to work on large data sets. In this paper we present a comparison among some nonhierarchical and hierarchical clustering algorithms including SOM (Self-Organization Map) neural networks methods. Data were simulated considering correlated and uncorrelated variables, non overlapping and overlapping clusters with and without outliers. Tested with Telecommunication Users and Iris Flower data set, the comparative algorithms had demonstrated a very good classification performance. Experiments on a very large telecommunication data set set consisting of 1000 records and 32 categorical attributes & Iris Flower data set consisting of 150 samples show that the SOM clustering with respect to k means & hierarchical clustering algorithm is scalable in terms of both the number of clusters and the number of records. © 2010 IEEE.

关键词： Self organizing maps

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Analyzing the Modes of Communication in Agile Practices

Analyzing the Modes of Communication in Agile Practices

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2010 3rd IEEE International Conference on computer Science and Information technology—ICCSIT 2010

作者： S.Bhalerao M.Ingle Faculty of Computer Application Acropolis Institute of Technology & Research Master of Computer Application Indore Institute of Science & Technology

Agile practices have grappled their importance for development of softwares in *** methods demand active communication with customers and team members to achieve the highest customer *** communication is the need for building trust and discipline among the team members and *** has been observed in literature that active communication in communication hierarchy plays a vital role in improving design and quality of *** reduces the project development time and cost of change of *** have conducted a survey and analyzed the data based upon modes of *** investigation reveals that active communication may be important during primary and end level of agile communication iterative cycle whereas passive communication is highly useful at the mid-level of *** importance of communication modes at various phases of software development has also been discussed in this paper.

关键词： Agile software development,agile communication cycle,communication hierarchy,Agile communication survey

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Analyzing the modes of communication in agile practices

Analyzing the modes of communication in agile practices

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International Conference on computer Science and Information technology (CSIT)

作者： S. Bhalerao M. Ingle Faculty of Computer Application Acropolis Institute of Technology and Research Indore India Master of Computer Application Indore Institute of Science and Technology Indore India

Agile practices have grappled their importance for development of softwares in industries. Agile methods demand active communication with customers and team members to achieve the highest customer satisfaction. Effective communication is the need for building trust and discipline among the team members and customers. It has been observed in literature that active communication in communication hierarchy plays a vital role in improving design and quality of software. It reduces the project development time and cost of change of software. We have conducted a survey and analyzed the data based upon modes of communication. The investigation reveals that active communication may be important during primary and end level of agile communication iterative cycle whereas passive communication is highly useful at the mid-level of cycle. The importance of communication modes at various phases of software development has also been discussed in this paper.

关键词： Electronic mail Software Lead Copper Face

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Management of missed transactions in a distributed system through simulation

Management of missed transactions in a distributed system th...

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International Conference on computer Science and Information technology (CSIT)

作者： Yumnam Somananda Y. Jayanta Singh Ashok Gaikwad S.C. Mehrotra Faculty of Computer Application Institute of Management Studies & I. T IMSIT Aurangabad India Faculty of Computer Application Institute of Management Studies & I. T Aurangabad India Faculty of Information Technology Misurata Libya Department of Information Technology and Computer Sc. Dr. Babasaheb Ambedkar Marathwada University Aurangabad India

A real time distributed computing system has heterogeneously connected computers to solve a single problem. If the transactions run across different sites, it may commit at one site and may get fail at other site, leading to an inconsistent transaction. The transaction in a real time database system has deadlines to process the workloads and it need to process transactions before these deadlines expired. Series of simulation study have been performed to manage the missed transactions under different transaction management conditions such as different workloads, distribution methods, execution mode-Distribution and Parallel, impact of dynamic slack factors to throughput. The scheduling of data access are done in order to meet their deadlines and to minimize the number of transactions that missed deadlines. A new approach called as “intelligent agent” method is introduced. This agent will keep track and does recording of the status of failing transactions so that we can provide an extra slack time to improve the performance of the system.

关键词： Data models Argon Integrated circuits Protocols

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Management of missed transactions in a distributed system through Simulation

Management of missed transactions in a distributed system th...

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2010 3rd IEEE International Conference on computer Science and Information technology—ICCSIT 2010

作者： Yumnam Somananda Ashok Gaikwad Y. Jayanta Singh S.C. Mehrotra Faculty of Computer Application Institute of Management Studies & I. T(IMSIT) Aurangabad India Faculty of Computer Application Institute of Management Studies & I. T Aurangabad India Faculty of Information Technology 7 October University Misurata Libya Dept of Information Technology and Computer Sc Dr. B.A.Marathwada University Aurangabad India

A real time distributed computing system has heterogeneously connected computers to solve a single problem. If the transactions run across different sites, it may commit at one site and may get fail at other site, leading to an inconsistent transaction. The transaction in a real time database system has deadlines to process the workloads and it need to process transactions before these deadlines expired. Series of simulation study have been performed to manage the missed transactions under different transaction management conditions such as different workloads, distribution methods, execution mode-Distribution and Parallel, impact of dynamic slack factors to throughput. The scheduling of data access are done in order to meet their deadlines and to minimize the number of transactions that missed deadlines. A new approach called as "intelligent agent" method is introduced. This agent will keep track and does recording of the status of failing transactions so that we can provide an extra slack time to improve the performance of the system.

关键词： intelligent agent execution mode throughput.

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applications of clustering algorithms and self organizing maps as data mining and business intelligence tools on real world data sets

Applications of clustering algorithms and self organizing ma...

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Proceeding of International Conference on Methods and Models in computer Science (ICM2CS)

作者： Lavneet Singh Savleen Singh Parminder Kumar Dubey Faculty of Management and Computer Application R.B.S College Agra India Noida Institute of Engineering and Technology Greater Noida India

关键词： Variable speed drives Iris recognition Analysis of variance Integrated circuits computer aided software engineering

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An Efficient Auction Based TATKAL Scheme for Indian Railway

An Efficient Auction Based TATKAL Scheme for Indian Railway

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Asia-Pacific Conf on (CICC-ITOE) Innovative Computing and Communication, Intl Conf on and Information technology and Ocean Engineering

作者： Sajal Mukhopadhyay Nivedita Mukherjee Jaya Bhattacharjee D. Ghosh Mousumi Saha Prasenjit Choudhury Faculty Department of Information Technology National Institute of Technology Durgapur India Department of Information Technology National Institute of Technology Durgapur India Department of Mathematics Mallabhum Institute of Technology Bishnupur India Department of Computer Science National Institute of Technology Durgapur India Department of Computer Application National Institute of Technology Durgapur India

Indian Railways have one of the biggest infrastructures in terms of number of Express trains run per day across cities . It is comparable to any railways in the world. For each Express train there is a "TATKAL" scheme that reserves few seats on emergency basis. In the existing scheme for each seat a ticket is issued after charging a fixed price. However, for different distance different fixed price is charged. The allocation of tickets are purely based on the first-come-first-serve basis. But from our experience we have seen that the urgency of a person standing in the queue may be much more than any other person in front of him and that person is ready to pay a higher price than the fixed one to get the ticket, in case the tickets are exhausted before his turn coming. So, since the Indian railways charge a fixed price, they lose a significantly large amount of revenue as a considerable number of travelers may be willing to pay a much higher price than the fixed price for an assured reservation. In this paper we have proposed an auction based truthful mechanism for selling some tickets of TATKAL scheme and have shown that our auction based scheme is significantly better than the existing scheme in terms of the total income earned per annum. Our scheme could be applied in any railway system.

关键词： Rail transportation Books Information technology computer applications Underwater communication Oceans Railway engineering Mathematics computer science Marine technology

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