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检索条件"丛书名=Advances in Intelligent Systems and Computing"

共 33564 条记录，以下是1691-1700 订阅

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Class Imbalance in Software Fault Prediction Data Set 4th

Class Imbalance in Software Fault Prediction Data Set

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4th International Conference on Artificial Intelligence and Evolutionary Computations in Engineering systems (ICAIECES)

作者： Arun, C. Lakshmi, C. SRM Inst Sci & Technol Sch Comp Kattankulathur India

ISBN: (纸本)9789811501999;9789811501982

Classification has been the prominent technique in machine learning domain, due to its ability of forecasting and predicts capabilities it is widely used in various domains such as health care, networking, social network, and software engineering with enhancement of different algorithm. The performance of the classifier majorly depends on the quality and amount of data present in the training sample. In real-world scenario, the majority of training samples suffered from class imbalance problem, that is, most of the data samples belong to one particular category, i.e., majority class while very few represent the minority class. In this case, classification techniques tend to be overwhelmed by the majority class and ignore the minority class. To solve class imbalance problem people relay on the different kind of sampling techniques either by generating synthetic data or by concentrating on minority class samples, but those approaches have introduced adverse effect in the learnability. In this paper, we attempt to study different techniques proposed to solve the class imbalance problem.

关键词： Classification Class imbalance Machine learning Majority Minority Sampling Training

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Features of Work of a Single-Phase Thyristor Pulse Converter with a General Magnetic Circuit 1

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8th International Scientific Siberian Transport Forum (TransSiberia)

作者： Kalinichenko, Anatoly Kozlov, Petr Smolyaninov, Alexander NPK YUG INTEGRAL Novy Arbat 36Of 30-2 E Moscow 121099 Russia Prod Holding NPK STRATEG Ul NizhegorodskayaHouse 32Block 15 Moscow Russia Ekaterinburg Ural State Univ Railway Transport US Ul Kolmogorova Ekaterinburg 66620034 Russia

ISBN: (数字)9783030379162

ISBN: (纸本)9783030379162;9783030379155

Peculiarities of operation of traction and non-traction, power thyristor converters consist, first of all, in the need of using sufficiently large setting parameters of switching equipment to obtain acceptable performance indicators, for example, permissible levels of current ripples in the load and in the power source, and the absence of interfering effects on communication lines and systems ensure the safety of train traffic. In any case, a reduction in current and voltage ripple is required. In this case, we consider the use of chokes with a common magnetic core, which allows us to change the picture of the appearance of ripples in the output current and to obtain controllability of this process. This work for multiphase systems was performed for the first time and shows the reality of the direction of development of multiphase systems, up to and including obtaining a smooth component with pulsed selection of power, which is very important for transmission over large powers.

关键词： Thyristor pulse converter Electric rolling stock Bridge circuit Separating choke Multi-phase converter

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Unintended Certificate Installation into Remote IoT Nodes 13th

Unintended Certificate Installation into Remote IoT Nodes

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13th International Conference on Innovative Mobile and Internet Services in Ubiquitous computing (IMIS)

作者： Park, Junghoon Son, Byeonggeun Park, Junyoung Kim, Myoungsu Yim, Kangbin Samsung Elect AI Ctr Seoul South Korea Soonchunhyang Univ Dept Informat Secur Engn Asan Chungcheongnam South Korea

ISBN: (纸本)9783030222635;9783030222628

Public Wi-Fi is a service provided for anyone to use at public places such as community centers, welfare facilities and traditional markets in cooperation with telecommunication service provider of South Korea such as KT, SKT and LGU+. The government is building and expanding public Wi-Fi zones in a bid to reduce the telecommunication cost of all people and ease the gap in the wireless internet use by region and income. It aimed to establish 12,000 public Wi-Fi zones in and around welfare facilities and traditional markets by 2017 (7000 new ones and 5000 open to public by the telecommunication service providers). The public Wi-Fi policy made it possible for people to use it for free at most of those places and eventually reduce their telecommunication cost. However, the service is vulnerable to various security threats. The study reviewed ways to reduce possible infringement of users' personal information and vulnerability by simulating and examining scenarios under which the vulnerability can take place. Threats arising from the vulnerability may lead to infringement of personal information and sensitive information as well as additional attacks through unauthorized communication channels. Therefore, the study introduced problems attributable to the process of connecting to public Wi-Fi and investigated types of attack that can happen in the process and ways to address them.

关键词： Wireless local area networks (WLAN)

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Customer eXperience: A Bridge Between Service Science and Human-Computer Interaction 2nd

Customer eXperience: A Bridge Between Service Science and Hu...

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2nd International Conference on Human systems Engineering and Design (IHSED) - Future Trends and Applications

作者： Rusu, Virginica Rusu, Cristian Botella, Federico Quinones, Daniela Bascur, Camila Zaraza Rusu, Virginia Univ Playa Ancha Av Playa Ancha 850 Valparaiso 2340000 Chile Pontificia Univ Catolica Valparaiso Av Brasil 2241 Valparaiso 2340000 Chile Univ Miguel Hernandez Elche Avinguda Univ Elx S-N Elche 03202 Spain

ISBN: (纸本)9783030279288;9783030279271

User eXperience (UX) and Usability are key concepts in Human-Computer Interaction (HCI). Customer eXperience (CX) is traditionally related to Service Science, but lately becomes a relevant topic in HCI. It offers a more comprehensive approach to the user as customer of several products, systems or services that a company offers. We focused for years our research on tourist as user of dedicated software systems and digital products. We are now focusing on tourist as customer, involving not only interactive software systems, but also the whole range of products and services that she or he interacts with. The paper examines CX as an extension of UX, and as a bridge between HCI and Service Science, focusing on tourist as customer.

关键词： Customer experience User experience Service science Tourism Online travel agencies

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Using Gamification in Teaching Public Relations Students 21st

Using Gamification in Teaching Public Relations Students

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21st International Conference on Interactive Collaborative Learning (ICL) / 47th IGIP International Conference on Engineering Pedagogy - Teaching and Learning in a Digital World

作者： Osipovskaya, Elizaveta Miakotnikova, Svetlana RUDN Univ Miklukho Maklaya St 10-2 Moscow Russia Perm Natl Res Polytech Univ Komsomolsky Av 29 Perm Russia

ISBN: (纸本)9783030119324;9783030119317

The emergence of modern technologies and their successful application to teaching and learning has been modifying the educational system at higher schools. A new millennial generation, so-called digital natives, learn and process information differently. They are digitally savvy, are keen on games and express themselves openly by posting comments and sharing posts on social media. New trends in education technologies have to adopt these peculiarities and urge educators to apply them to teaching. The article covers aspects regarding the application of Gamification strategy to teaching of Public Relations students at higher school. Game-based learning is used as a part of instruction in two different courses (Graphic Design and Business English). The paper investigates the implementation of game elements into e-Learning environments, namely the Moodle platform. It is assumed that their application to solving business problems at the lessons enhances students' motivation and creates the atmosphere of a real Public Relations department. All together it generates and develops various competencies of future specialists in terms of developing professional, social and personal values.

关键词： e-Learning Gamification Higher education Public Relations

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Urban Village Identification from City-Wide Satellite Images Leveraging Mask R-CNN 19th

Urban Village Identification from City-Wide Satellite Images...

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19th Annual UK Workshop on Computational Intelligence (UKCI)

作者： Wang, Xueyi Xie, Tianqi Chen, Longbiao Xiamen Univ Sch Informat Fujian Key Lab Sensing & Comp Smart City Xiamen Peoples R China Univ Hertfordshire Hatfield Herts England

ISBN: (纸本)9783030299330;9783030299323

Urban villages emerge with the rapid urbanization process in many developing countries, and bring serious social and economic challenges to urban authorities, such as overcrowding and low living standards. A comprehensive understanding of the locations and regional boundaries of urban villages in a city is crucial for urban planning and management, especially when urban authorities need to renovate these regions. Traditional methods greatly rely on surveys and investigations of city planners, which consumes substantial time and human labor. In this work, we propose a low-cost and automatic framework to accurately identify urban villages from high-resolution remote sensing satellite imagery. Specifically, we leverage the Mask Regional Convolutional Neural Network (Mask-RCNN) model for end-to-end urban village detection and segmentation. We evaluate our framework on the city-wide satellite imagery of Xiamen, China. Results show that our framework successfully detects 87.18% of the urban villages in the city, and accurately segments their regional boundaries with an IoU of 74.48%.

关键词： Urban village Image segmentation Mask-RCNN Deep learning Urban computing Ubiquitous computing

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Hybrid Solution for Privacy-Preserving Data Mining on the Cloud computing 4th

Hybrid Solution for Privacy-Preserving Data Mining on the Cl...

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4th International Conference of Reliable Information and Communication Technology (IRICT)

作者： Osman, Huda Maarof, Mohd Aizaini Siraj, Maheyzah Md Univ Teknol Malaysia UTM Fac Engn Sch Comp Johor Baharu Malaysia Univ Kassala Fac Comp Sci & Informat Technol Kassala Sudan

ISBN: (纸本)9783030335823;9783030335816

The continuous evolution of the cloud has attracted many enterprises to outsource their data to the cloud to accomplish data mining tasks and other services. So that data owners can enjoy the benefits of the cloud without fear from violations of data privacy, PPDM approaches came to protect the privacy of data while preserving the usefulness of data. This article reviews the most popular models of PPDM over the cloud along with their strengths and the weaknesses to conclude the research gap. Some of the current PPDM models still vulnerable to various types of attacks like the K-anonymity model whereby surface from background knowledge attack, homogeneity attack, similarity attack and probabilistic inference attack, others of them consume great computational complexity, for example, the methods which depended on cryptography. The hybrid solution was proposed to protect the data privacy and overcome the current problems of PPDM include identify and attributes disclosures whereby preservation the privacy of data before to outsourced on the cloud is the main focus. K-Anonymization is combined with homomorphic encryption to rid from their limitations and take their advantage together to enhance data privacy-preserving and maintain the data utility of outsourced data.

关键词： Privacy-Preserving Data mining outsourcing Cloud data privacy

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Convolutional Neural Networks for Biological Sequence Taxonomic Classification: A Comparative Study 5th

Convolutional Neural Networks for Biological Sequence Taxono...

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5th International Conference on Advanced intelligent systems and Informatics (AISI)

作者： Helaly, Marwah A. Rady, Sherine Aref, Mostafa M. Ain Shams Univ Fac Comp & Informat Sci Cairo 11566 Egypt

ISBN: (纸本)9783030311292;9783030311285

Biological sequence classification is a key task in Bioinformatics. For research labs today, the classification of unknown biological sequences is essential for facilitating the identification, grouping and study of organisms and their evolution. This paper compares three of the most recent deep learning works on the 16S rRNA bar-code dataset for taxonomic classification. Three different CNN architectures are compared together with three different feature representations, namely: k-mer spectral representation, Frequency Chaos Game Representation (FCGR) and character-level integer encoding. Experimental results and comparisons have shown that representations that hold positional information about the nucleotides in a sequence perform much better with accuracies reaching 91.6% on the most fine-grained classification task.

关键词： DNA RNA Biological sequences Deep learning classification Convolutional neural networks Feature representation

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L1-Induced Static Output Feedback Controller Design and Stability Analysis for Positive Polynomial Fuzzy systems 19th

L1-Induced Static Output Feedback Controller Design and Stab...

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19th Annual UK Workshop on Computational Intelligence (UKCI)

作者： Meng, Aiwen Lam, Hak-Keung Hu, Liang Liu, Fucai Yanshan Univ Qinhuangdao 066004 Hebei Peoples R China Kings Coll London London WC2B 4BG England De Montfort Univ Leicester LE1 9BH Leics England

ISBN: (纸本)9783030299330;9783030299323

The aim of this paper is to study the control synthesis and stability and positivity analysis under L-1-induced performance for positive systems based on a polynomial fuzzy model. In this paper, not only the stability and positivity analysis are studied but also the L-1-induced performance is ensured by designing a static output feedback polynomial fuzzy controller for the positive polynomial fuzzy (PPF) system. In order to improve the flexibility of controller implementation, imperfectly matched premise concept under membership-function-dependent analysis technique is introduced. In addition, although the static output feedback control strategy is more popular when the system states are not completely measurable, a tricky problem that non-convex terms exist in stability and positivity conditions will follow. The nonsingular transformation technique which can transform the non-convex terms into convex ones successfully plays an important role to solve this puzzle. Based on Lyapunov stability theory, the convex positivity and stability conditions in terms of sum of squares (SOS) are obtained, which can guarantee the closed-loop systems to be positive and asymptotically stable under the L-1-induced performance. Finally, in order to test the effectiveness of the derived theory, we show an example in the simulation section.

关键词： Positive polynomial fuzzy-model-based (PPFMB) control systems Static output feedback control Stability analysis Sum of squares (SOS) L-1-induced performance

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The Researcher as an Instrument 4th

The Researcher as an Instrument

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4th World Conference on Qualitative Research (WCQR)

作者： Wa-Mbaleka, Safary Adventist Univ Africa Asian Qualitat Res Assoc Advent Hill Rd Nairobi Kenya

ISBN: (纸本)9783030317874;9783030317867

In qualitative research, there are many different sources of data. Qualitative research data are collected using many different methods. Interestingly, one of these data collection methods is the researcher himself or herself. This is the reason why most experts consider the researcher as an instrument. The question always asked is "What does it really mean?" This chapter explains what it is and what is expected from the researcher in his or her role as an instrument throughout a qualitative research study. The ethical considerations pertaining to this important role are also discussed. This chapter is meant to bring this important role to everyone's awareness so that rigor in qualitative research can be fostered.

关键词： Rigor in qualitative research Data collection Data analysis Data interpretation Research instrument Trustworthiness Ethical considerations

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