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Malaysian Conference in software engineering (MySEC)

作者： Tan Ping Ping Chiu Po Chan Hamizan Sharbini Azlina Ahmadi Julaihi Department of Computing & Software Engineering Faculty of Computer Science and Information Technology Universiti Malaysia Sarawak Malaysia Department of Information Systems Faculty of Computer Science and Information Technology Universiti Malaysia Sarawak Malaysia Department of Computer System & Communication Technologies Faculty of Computer Science and Information Technology Universiti Malaysia Sarawak Malaysia

Lack of hearing ability hinders deaf children from mastering grammar in language studies. Unfortunately, such software targeting Malay language is limited. This paper attempts to generate new approach in handling such software. These include detection of defects when switching into local languages, date format and accommodating the local laws. The acceptance of international software for local use goes beyond just these aspects. For this purpose, software that supports the multi-languages is evaluated. The main research question of this paper: The lack of cultural dimensions in localisation testing of assistive technology decreases the effectiveness of localisation testing of the localised software. On the account of cultural dimensions, Hofstede's Cultural Dimensions will be experimented to study which cultural dimensions are most suited for such software. From our empirical results, the failure rate of the testing is higher compared to incorporating culture dimensions.

关键词： Testing Cultural differences Usability information technology Computer science User interfaces

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Neural network model of mill-fan system elements vibration for predictive maintenance

Neural network model of mill-fan system elements vibration f...

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IEEE International Symposium on Innovations in Intelligent systems and Applications (INISTA)

作者： T. Balabanov M. Hadjiski P. Koprinkova-Hristova S. Beloreshki L. Doukovska Institute of Information and Communication Technologies Bulgarian Academy of Sciences Sofia Bulgaria Institute of System Engineering and Robotics Bulgarian Academy of Sciences Sofia Bulgaria University of Chemical Technology and Metallurgy-Sofia Sofia Bulgaria Honeywell EOOD Sofia Bulgaria

In the present paper we focus on online monitoring system for predictive maintenance based on sensor automated inputs. Our subject was a device from Maritsa East 2 power plant - a mill fan. The main sensor information we have access to is based on the vibration of the nearest to the mill rotor bearing block. Our aim was to create a (nonlinear) model able to predict on time possible changes in vibrations tendencies that can be early signal for system work deterioration. For that purpose recently developed kind of Recurrent Neural Networks named Echo state networks were applied. The preliminary investigations showed their good approximation ability for our purpose. Direction of future work will be increasing of predications time horizon.

关键词： Vibrations Reservoirs Training Testing Fitting Rotors Coal

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Ultra wideband bistatic forward scattering inverse synthetic aperture radar imaging

Ultra wideband bistatic forward scattering inverse synthetic...

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International Radar Symposium, IRS 2011

作者： Lazarov, A. Kabakchiev, C. Cherniakov, M. Gashinova, M. Kostadinov, T. Department of Informatics and Technical Sciences BFU 62 San Stefano Str. 8000 Burgas Bulgaria Department of Software Technologies Sofia University St. Clement of Ohrid J. Boucher Blvd. 5 1164 Sofia Bulgaria School of Electrical Electronic and Computer Engineering University of Birmingham United Kingdom Institute of Information and Communication Technologies Bulgarian Academy of Sciences Acad. G. Bonchev Str. bl. 25-A 1113 Sofia Bulgaria

ISBN: (纸本)9783927535282

In this work Bistatic Inverse Forward Scattering Inverse Synthetic Aperture Radar (BFISAR) concept is addressed. Geometric description of BFISAR topology with stationary transmitter and receiver, and moving target is given. Kinematic vector equations are derived. Mathematical model of BFISAR signal with linear frequency modulation (LFM) is described. It is proved that BFISAR signal formation and image reconstruction can be interpreted as direct and inverse projective operation respectively. Through Taylor expansion of the projective operator basic image reconstruction procedures, including phase correction, Fourier transform range compression and Fourier transform azimuth compression are defined. Numerical experiment to verify mathematical models derived is carried out. © 2011 DGON.

关键词： Forward scattering

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ISM: Intent-perceptible service migration model for IP network survivability

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Tien Tzu Hsueh Pao/Acta Electronica Sinica 2011年第12期39卷 2768-2775页

作者： Zhao, Er-Hu Yang, Xiao-Long Xu, Jie Long, Ke-Ping Zhang, Dan Research Centre for Optical Internet and Mobile Information Networks University of Electronic Science and Technology of China Chengdu Sichuan 611731 China National Key Lab. of Integrated Information System Tech. Institute of Software Chinese Acad. of Sci. Beijing 100190 China School of Computer and Communication Engineering University of Science and Technology Beijing Beijing 100083 China 706 Institute The Second Academy of China Aerospace Beijing 100854 China

The existing service migration methods bring the server cluster heavy burden, and their time spending is so high that seriously affects the service continuity. In order to enhance the survivability of IP network services, the paper puts forward an intent-perceptible service migration model (ISM). In this model, we design a novel trigger mechanism and object selecting method for service migration, and make the service migration intention perceptible for the client with the cooperation of the server. The evaluation results show that ISM model can not only ensure the service invulnerability by maintaining a high randomness of service migration, but also improve the service continuity by reducing the service gap time spending on service migration to the maximum extent. Therefore, ISM model can enhance IP network survivability efficiently.

关键词： Internet protocols

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Ultra wideband Bistatic Forward Scattering Inverse Synthetic Aperture Radar imaging

Ultra wideband Bistatic Forward Scattering Inverse Synthetic...

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International Radar Symposium (IRS)

作者： A. Lazarov C. Kabakchiev M. Cherniakov M. Gashinova T. Kostadinov Department of Informatics and Technical Sciences BFU Burgas Bulgaria Department of Software Technologies Sofia University Saint Clement of Ohrid Sofia Bulgaria School of Electrical Electronic and Computer Engineering University of Birmingham UK Institute of Information and Communication Technologies Bulgarian Academy of Sciences Sofia Bulgaria

关键词： Geometry Scattering Transmitters Image reconstruction Receivers Radar Azimuth

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Neural network model of mill-fan system elements vibration for predictive maintenance

Neural network model of mill-fan system elements vibration f...

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IEEE International Conference on Innovations in Intelligent systems and Applications

作者： Balabanov, T. Hadjiski, M. Koprinkova-Hristova, P. Beloreshki, S. Doukovska, L. Institute of Information and Communication Technologies Bulgarian Academy of Sciences Acad. G. Bonchev str. bl.2 Sofia - 1113 Bulgaria University of Chemical Technology and Metallurgy - Sofia Blvd. St. Kliment Ohridski 8 Sofia - 1756 Bulgaria Institute of System Engineering and Robotics Bulgarian Academy of Sciences Acad. G. Bonchev str. bl.2 Sofia - 1113 Bulgaria Honeywell EOOD Blvd. Christopher Columbus 64 Sofia - 1528 Bulgaria

ISBN: (纸本)9781612849195

关键词： Recurrent neural networks

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Machine learning for automated tender classification

Machine learning for automated tender classification

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IEEE India Conference (INDICON)

作者： Sumit Goswami Sunaina Kapoor Prakriti Bhardwaj Dte of Mgmt Information System & Technologies (MIST) Defence Research and Development Organisation New Delhi India Department of Computer Science and Engineering Indira Gandhi Institute of Technology New Delhi India Department of Information Technology J. S. S. Academy of Technical Education NOIDA India

This paper presents classification of DRDO tender documents into predefined categories. Since there is a consistent growth in the volume of digital documents, both on the internet and within organizations, the need to classify them into categories is obvious. In this paper we used `bag-of-words' technique to represent the tender documents. The dataset was prepared and fed into Weka toolkit. Classification was implemented by Naïve Bayes classifier using 10-folds cross validation technique. The machine resulted in classifying the tender documents with an accuracy of 77.36% by technology category and 67.2% by lab's name.

关键词： Accuracy Machine learning Text mining Blogs Support vector machine classification Probabilistic logic

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LIR-OSGi: Extends OSGi to support distributed and heterogeneous ubiquitous computing system

LIR-OSGi: Extends OSGi to support distributed and heterogene...

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International Conference on Pervasive Computing and Applications (ICPCA)

作者： Jinzhao Liu Xiaojuan Lu Dan Wang Xin Liu Yongqiang Lu Yu Chen Department of Computer Science and Technology Beijing University of Technology Beijing China General Hospital of PLA Second Artillery USA Research Institute of Information Technology Key Laboratory of Pervasive Computing Ministry of Education Tsinghua University Beijing China System Software and Software Engineering Group Laboratory of Pervasive Computing Department of Computer Science and Technology Tsinghua University Beijing China

ISBN: (纸本)9781457702099

As an emerging portable service platform, OSGi is now taking a more and more important role in Ubiquitous Computing environment. As a module management framework, OSGi provides the functions of dynamic loading and unloading software modules at runtime. But its use is limited because it is centralized and single programming language supported. In this paper we present LIR-OSGi, an extended framework of OSGi, which is designed to add the distribution and programming language independence to OSGi. Meanwhile it is easy to use for developers because of the transparence of service invocation and automation of distribution. Not like OSGi which can be applied only on the Java platform, LIR-OSGi makes programs which may be written in different programming languages be able to call each other transparently so that it can be applied in many different platforms such as DotNet Framework and so on. This brings much convenience to the program development in a distributed and heterogeneous environment.

关键词： Servers Sockets Indexes Program processors Logic gates Dynamic compiler

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Data-driven based 3-D fuzzy logic controller design using nearest neighborhood clustering and linear support vector regression

Data-driven based 3-D fuzzy logic controller design using ne...

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IEEE International Conference on Fuzzy systems (FUZZ-IEEE)

作者： Xianxia Zhang Ye Jiang Tao Zou Chenkun Qi Guitao Cao Shanghai Key Laboratory of Power Station Automation Technology School of Mechatronics and Automation Shanghai University Shanghai China College of Information Engineering Zhejiang University of Technology Hangzhou China School of Mechanical Engineering State Key Laboratory of Mechanical System and Vibration Shanghai Jiaotong University Shanghai China Software Engineering Institute East China Jiao Tong University Shanghai China

Three-dimensional fuzzy logic controller (3-D FLC) is a novel FLC developed for spatially distributed parameter systems. In this study, we are concerned with data-based 3-D FLC design. A nearest neighborhood clustering algorithm is employed to extract fuzzy rules from input-output data pairs, and then an optimization algorithm based on geometric similarity measure is used to reduce the obtained rule base. The consequent parameters are estimated using linear support vector regression. Finally, a catalytic packed-bed reactor is taken as an application to demonstrate the effectiveness of the 3-D FLC.

关键词： Clustering algorithms Fuzzy sets Partitioning algorithms Vectors Support vector machines Optimization Inductors

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Polynomial-time hierarchy of computable reals

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Journal of Computational information systems 2011年第4期7卷 1108-1115页

作者： Chen, Qingliang Su, Kaile Wu, Lijun Department of Computer Science Jinan University Guangzhou 510632 China Key Laboratory of Embedded System and Service Computing Ministry of Education Tongji University Shanghai China Key Laboratory of High Confidence Software Technologies Ministry of Education Peking University Beijing China Institute for Integrated and Intelligent Systems Griffith University Brisbane Australia School of Computer Science and Engineering University of Electronic Science and Technology Chengdu 610054 China

In mathematics, various representations of real numbers have been investigated and all these representations are proved to be mathematically equivalent. Furthermore, it is known that all effective versions of these representations lead to the same class of "computable real numbers". However, when subrecursive (such as primitive recursive) is taken into account, these representations can lead to different notions of "computable real numbers". This paper will look into the polynomial-time version of the problem for computable real numbers under different representations. We will summarize the known results to exhibit the comprehensive hierarchy they form. Our goal is to clarify systematically how the polynomial-time computability depends on the representations of the real numbers. Copyright © 2011 Binary information Press.

关键词： Polynomial approximation

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