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检索条件"任意字段=Proceedings of the 9th Knowledge-Based Software Engineering Conference"

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Comparative analysis of different transformer based architectures used in sentiment analysis 9

Comparative analysis of different transformer based architec...

引用

9th International conference on System Modeling and Advancement in Research Trends, SMART 2020

作者： Pipalia, Keval Bhadja, Rahul Shukla, Madhu Marwadi Education Foundation's Group of Institutions Dept. of Computer Engineering Rajkot India Marwadi University Dept.of Computer Engineering India

ISBN: (纸本)9781728189086

In the era of research where topics like Sentiment Analysis, NLP (natural language processing), Artificial Intelli- gence, Transfer learning are buzz words. Sentiment Analysis is a field which have proved its importance in day to day activities which could be related to monetary analysis, person's emotional count etc. With the introduction of Transformer based language models the field of NLP has got a huge attraction of researchers as well as practitioners. [16] [9] [6]. Using transfer learning with these models, have proved to give exceptional accuracy. Some of the State-of-the-art model includes BERT [16], DistilBERT, XLNet and T5. In this paper we have investigated the classification power of sentiments from pre-trained language models, e.g., BERT, XLnet. Specifically, we have simulated and presented number of experimental results which shows what amount of accuracy could be attained with different models. We have used most popular imdb-reviews dataset for doing analysis of the models © 2020 IEEE.

关键词： Sentiment analysis

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Phase Distribution of the Developed three-Component Pipe Flows 9th

Phase Distribution of the Developed Three-Component Pipe Flo...

引用

9th iTi conference on Turbulence, iTi 2021

作者： Saushin, I. Goltsman, A. Institute of Power Engineering and Advanced Technologies FRC Kazan Scientific Center Russian Academy of Sciences ul. Lobachevskogo 2/31 Kazan Tatarstan Russia

ISBN: (纸本)9783030807153

In contrast to single-component pipe flows, where the developed velocity profile depending on the Reynolds number plays a defining role in the flow measurement, the addition of other phases leads to the wide range of flow regimes and to an obvious increase in the number of dimensionless parameters of the problem. In the case of developed pipe flow of a three-component mixture, such as oil-gas-water three-phase flow in the oil well production and oil-gas transportation, the number of regimes depending on the classification can reach 10 or more. based on numerical simulation, the present paper shows the studied ten regimes of the developed flow of a gas-oil-water mixture in a horizontal pipe. Depending on the developed all ten flow regimes, the resulting phase distribution of the mixture components was used to estimate the uncertainty of isokinetic sampling by known types of tube-type probes without and with prior mixing. the results of the study are relevant for further research on the preparation of the mixture using mixing devices in order to correctly determine the phase composition by the isokinetic sampling method. © 2021, the Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Mixtures

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To Defeat DDoS Attacks in Cloud Computing Environment Using software Defined Networking (SDN) 1

引用

9th Computer Science On-line conference, CSOC 2020

作者： Yuvaraju, B.N. Narender, M. Department of Computer Science and Engineering The National Institute of Engineering Mysuru Karnataka India Affiliated to Visvesvaraya Technological University BelagaviKarnataka India

ISBN: (数字)9783030519650

ISBN: (纸本)9783030519643

At present cloud computing environment, DDoS attacks have become a weapon for the illegitimate user’s as well as for the cyber terrorists. these attacks have the capability to disrupt large scale network infrastructure. Despite the various traditional DDoS mitigation techniques that exist present, DDoS attacks are rapidly growing in volume, frequency, and severity. this entitles for advance network architecture to represent the requirements of the present security challenge. software-defined networking (SDN) is the new cloud-based networking paradigm which is rapidly gaining attention to the researchers to address the need of today’s data-centers—considering of functionalities of SDN-based platform, the proposed survey study providing comprehensive knowledge on prior SDN-based DDoS attack detection and mitigation strategies. this paper classifies solution strategies based on DDoS detection and mitigation techniques. Also, discussing current technologies to defend the DDoS attacks followed by future research direction to address the certain challenges identified in the research gap from existing studies. this paper is meant to brief about the existing system and practical approaches to solving such problems. © 2020, Springer Nature Switzerland AG.

关键词： Denial-of-service attack

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Risk Identification: From Requirements to threat Models 6th

Risk Identification: From Requirements to Threat Models

引用

6th International conference on Information Systems Security and Privacy (ICISSP)

作者： Wirtz, Roman Heisel, Maritta Univ Duisburg Essen Duisburg Germany

ISBN: (纸本)9789897583995

Security is a key factor for providing high-quality software. In the last few years, a significant number of security incidents has been reported. Considering scenarios that may lead to such incidents right from the beginning of software development, i.e. during requirements engineering, reduces the likelihood of such incidents significantly. Furthermore, the early consideration of security reduces development effort since identified scenarios do not need to be fixed in later stages of the development lifecycle. Currently, the identification of possible incident scenarios requires high expertise from security engineers and is often performed in brainstorming sessions. those sessions often lack a systematic process which can lead to overlooking relevant aspects. Our aim is to bring together security engineers and requirements engineers. In this paper, we propose a systematic, tool-based and model-based method to identify incident scenarios based on functional requirements by following the principle of security-by-design. Our method consists of two parts: First, we enhance the initial requirements model with necessary domain knowledge, and second we systematically collect relevant scenarios and further refine them. For all steps, we provide validation conditions to detect errors as early as possible when carrying out the method. the final outcome of our method is a CORAS threat model that contains the identified scenarios in relation with the requirements model.

关键词： Risk Management Security Risk Identification threats Requirements engineering

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Hardware Implementation of APRS based Tracker with Application in engineering Education 29

Hardware Implementation of APRS Based Tracker with Applicati...

引用

29th International Scientific conference Electronics, ET 2020

作者： Lyubomirov, Slavi Y. Shehova, Daniela A. Asparuhova, Katya K. Daskalov, Stoyan L. University of Plovdiv 'Paisii Hilendarski Faculty of Physics and Engineering Technologies Smolyan4700 Bulgaria Technical University of Sofia Faculty of Electronic Engineering and Technologies Department of Electronics 8 Kliment Ohridski blvd Sofia1000 Bulgaria

ISBN: (数字)9781728174266

ISBN: (纸本)9781728174266

the article presents a hardware implementation of an APRS (Automatic Packet Reporting System) based tracker for determining the location of an object in real time. It was developed and tested in the educational process at the Faculty of Physics and engineering Technologies of University of Plovdiv 'Paisii Hilendarski'. Students acquire lasting knowledge and develop skills for working with APRS trackers connected between GPS and radio stations that transmit data in the global APRS network. Combining modern microcontrollers with appropriate software and APRS technology, a device with many current applications is obtained. © 2020 IEEE.

关键词： engineering education

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Adaptive PI Control Strategy based on Fuzzy Logic for an Active Harmonic Compensator 9

Adaptive PI Control Strategy Based on Fuzzy Logic for an Act...

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9th International conference on Renewable Energy Research and Applications, ICRERA 2020

作者： Bouhouta, Ahmed Moulahoum, Samir Kabache, Nadir Colak, Ilhami Research Laboratory of Electrical Engineering Automatic LREA University of Médeá Algeria Engineering and Architecture Faculty Nisantasi University Istanbul Turkey

ISBN: (纸本)9781728173696

this paper presents an improved version of direct power control (DPC) applied to the shunt active power filtering system (SAPF). By using the adaptive proportional-integral (PI) control strategy in the dc-link voltage, the improvement is realized by tuning online with a fuzzy logic approach. the main goals are to reach a minimum of dc voltage error during the transient state and assuring a reactive and harmonic compensation in the power grid. Many topologies of DPC strategy are studied in the literature exploiting a simple PI controller. However, due to its fixed parameters, this conventional controller does not work satisfactorily under variable load conditions. this work is deal to investigate the better improvement of dynamic performances and maintain a high power quality of the filtering system. In order to verify the effectiveness of the adaptive PI strategy, computer simulation has carried out under Matlab/Simulink software. the proposed control strategy proves that the system could manage the harmonic compensation and reactive power transfer in an adjustable and dynamic manner. © 2020 IEEE.

关键词： Fuzzy logic

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Changes in Non-Cognitive and Affective (NCA) Factors in engineering and Computing Students: A Longitudinal Study of Mechanical engineering Students 9

Changes in Non-Cognitive and Affective (NCA) Factors in Engi...

引用

9th Research in engineering Education Symposium and 32nd Australasian Association for engineering Education conference: engineering Education Research Capability Development, REES AAEE 2021

作者： Widmann, Jim Chen, John Self, Brian Gee, Jocelyn Kerfs, Michelle Grigorian, Christina California Polytechnic State University San Luis ObispoCA United States

ISBN: (纸本)9781713862604

CONTEXT Numerous non-cognitive and affective (NCA) factors (e.g. Personality, Identity, Mindset, etc.) relate to student success in academics. Some factors or collection of factors relate positively to academic success while others do not. In addition, many NCA factors are malleable, creating an opportunity for educators to improve student academic performance with the use of targeted interventions. Understanding how factors change over time and the causes of those changes can provide insight to educators looking to improve individual academic performance in engineering and computing students. PURPOSE OR GOAL As a first step in determining to what extent NCA-based interventions can improve academic performance and the perceived quality of the undergraduate experience, we seek to know how NCA factors of a group of Mechanical engineering students change over time. We posit that some NCA factors will not change (some constructs are not considered malleable) and some factors will change at identifiable points in the students' experience. APPROACH OR MEthODOLOGY/MEthODS A comprehensive and validated survey instrument measuring 28 NCA factors was given to engineering and computing students (n>2000) at a large state university in the United States for three consecutive academic years. A small group (n=47) took the survey in each of their first three years of university studies. Looking at these survey responses, we performed a repeated measures analysis of variance to determine longitudinal changes in NCA factors. ACTUAL OR ANTICIPATED OUTCOMES Analysis indicates that six of the NCA factors change significantly for the Mechanical engineering students over time. these include engineering Identity, Motivation by Expectancy, two measures of Stress, Belongingness and Neuroticism. there may be a slight increase in responses for the two measures of Stress and Neuroticism over time. However, for Motivation by Expectancy, Belongingness and engineering Identity, there is evidence o

关键词： Students

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An integrated indicator based knowledge evaluation system for sustainable tourism management in greece: empirical approach of multiple-criteria decision analysis making for future tourism spatial planning 9

An integrated indicator based knowledge evaluation system fo...

引用

9th International conference on Information and Communication Technologies in Agriculture, Food and Environment, HAICTA 2020

作者： Apostolidis, Georgios Department of Spatial Planning and Development Faculty of Engineering Aristotle University of Thessaloniki GR-54124 Greece

Indicators are a modern tool for measuring and identifying the quality of goods such as tourism and recreation in a region. Index systems have been established throughout Europe and almost all over the world to present thematic directions through an evaluation of the current situation and analysis of the features that relate to prospects for sustainable development. the purpose of this paper is to present a system of tourism sustainability indicators for Greece which is the only one available that is highly detailed and shows the diversity and the new dimensions for tourism projects and studies. the results of this study highlight the importance of such a system for a country, especially concerning an area with tourist attraction to make it possible for the area to endure in the future, based on institutionalized strategies and goals. Copyright © 2020 for this paper by its authors. Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0).

关键词： Decision support systems

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Workspace Analysis of Industrial Manipulators and its Effective Teaching in RoboAnalyzer

Workspace Analysis of Industrial Manipulators and its Effect...

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IEEE Region 10 Humanitarian Technology conference (R10-HTC)

作者： Sayan Pradhan Suhrit Kumar Pakhira Tanushree Jana Rajeevlochana G. Chittawadigi Subir Kumar Saha College of Engineering & Management Kolaghat India Bengaluru Amrita Vishwa Vidyapeetham Amrita School of Engineering India Indian Institute of Technology Delhi New Delhi India

Serial manipulators have a workspace within which the manipulator can reach. While designing and developing a manipulator, it is important to check whether a pose (position and orientation) is attainable or not. though there exist many methods on workspace analysis that are proposed by researchers, these have to be implemented by the users in the form of MATLAB program or equivalent. there is no free software, in the best knowledge of the authors, that can draw workspace for a wrist-partitioned serial manipulator. through this paper, the authors present a new module on Workspace Analysis in RoboAnalyzer software. the module lets the user enter the Denavit-Hartenberg (DH) parameters of a serial manipulator and its workspace region is drawn and shown to the user. the authors have discovered that incremental joint motion gives better results than the Monte-Carlo random sampling of joint angles within allowed joint range, proposed by many researchers. the authors also propose a novel method to determine the boundary of the points in the workspace using a concept of radial frustum. Finally, the workspace regions of many industrial manipulators were drawn using the proposed module and verified to be correct. the authors feel the module would help in effective teaching and learning in a robotics related course and also help robotics designers to visualize the workspace and make any corrective changes in their design.

关键词： Visualization Monte Carlo methods Service robots conferences Education Manipulators software

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Study on Dynamic Solution of Upper Body Gravity Center of Exoskeleton based on Maplesim

Study on Dynamic Solution of Upper Body Gravity Center of Ex...

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2020 International conference on Computer Science and Management Technology, ICCSMT 2020

作者： Wang, Kaiyuan Wu, Peizhang Peng, Xuefeng Dai, Zongmiao 713th Research Institute of China Shipbuilding Industry Corporation 9th Laboratory Zhengzhou China

ISBN: (纸本)9781728186689

the acquisition of the center of gravity of the upper body of the exoskeleton robot is critical in the balance control. In order to solve the problems of poor portability, low efficiency and precision of gravity center solution for exoskeleton, the multi-domain system-level modeling and simulation software Maplesim was used for parametric modeling of exoskeleton upper body and a real-time gravity center solution method with strong portability was proposed. the method can directly transplant to the exoskeleton with similar configuration, and the center of gravity can be calculated in real time by assigning the parameters, which is efficient and accurate. © 2020 IEEE.

关键词： Exoskeleton (Robotics)

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