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Open AccessArticle
10 Pages, 796 KB Download PDF

Analysis of Vulnerabilities, Risks and Threats in the Process of Quota Allocation for the State University of Ecuador

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 673–682, 2020; DOI: 10.25046/aj050283
Abstract:

Different models and standards of information security were analyzed, to adopt a model that mitigates vulnerabilities, risks and threats in the quota allocation process for the State University in Ecuador. The main objective is defining a prototype for the management of processes and information security in this type of organization. It was used the deductive…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
8 Pages, 3,086 KB Download PDF

A Resolution-Reconfigurable Asynchronous SAR ADC with Segmented and Non-Binary Weighted Capacitance DACs

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 665–672, 2020; DOI: 10.25046/aj050282
Abstract:

With the addition of thing of internet applications to 5G smartphones, mobile standby time and ultra-low-power sensing systems have become increasingly important. Nowadays, such sensing systems typically reduce power consumption to microwatts. This paper presents segmented and non-binary weighted capacitance DACs, low power, high resolution, an asynchronous clock, a spark-detect, vcm-based switching and direct switching,…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
7 Pages, 1,435 KB Download PDF

Evaluation of Vapor Jet Refrigeration Cycle Driven by Solar Thermal Energy for Air Conditioning Applications: Case Study

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 646–652, 2020; DOI: 10.25046/aj050280
Abstract:

The need for air conditioning in rural areas where there is no source of electricity, leads to look for alternative solutions. Usage of Solar thermal system drive vapor jet refrigeration cycle (VJRC) instead of the traditional air conditioning systems, contributes in the reduction of the Global Worming and Ozone Depletion. The main objective of this…

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(This article belongs to Section Mechanical Engineering (EMH))
Open AccessArticle
14 Pages, 867 KB Download PDF

Commercialization Process of Disruptive Innovations in Corporate Ventures and Spinoff Companies: A Comparison

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 621–634, 2020; DOI: 10.25046/aj050278
Abstract:

One of the most critical challenges that large companies, small enterprises and research institutes face, when commercializing their innovations, is the transfer process at the moment of scaling up. These organizations often transfer their innovation to either existing business units or create a new business entirely. The process of transferring innovations to an existing unit…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Engineering Management (EMM))
Open AccessArticle
8 Pages, 2,433 KB Download PDF

HDR Image Tone Mapping Approach Using Multiresolution and Piecewise Linear Perceptual Quantization

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 606–613, 2020; DOI: 10.25046/aj050276
Abstract:

This paper discusses a new Tone Mapping (TM) approach converting a High Dynamic Range (HDR) image into a Low Dynamic Range (LDR) image able at the same time to extract the relevant details and enhance the contrast of LDR images to ensure a good LDR image visual quality. This approach uses an advantage of multiresolution…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 2,132 KB Download PDF

Analysis of Two-Dimensional Electron Gas Formation in InGaAs-Based HEMTs

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 597–605, 2020; DOI: 10.25046/aj050275
Abstract:

In this study, a theoretical simulation was performed using the Schrodinger-Poisson method to elucidate the formation factors for two-dimensional electron gas in InGaAs-based HEMTs. No visible change was observed in the carrier density and the potential shape. The inflection point of the energy level and the agreement of the energy level in each dimension were…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
5 Pages, 796 KB Download PDF

Statistical Aspects of the Environment of Albanian Students Who Were Admitted to Higher Public Education Institutions in the Year 2014

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 592–596, 2020; DOI: 10.25046/aj050274
Abstract:

The research presents a statistical analysis that characterize the environment of the admitted students to Higher Public Education Institutions, by providing an overview of student’s distribution to the courses of studies offered by universities in Albania, such as, economy, medicine, technical etc., and grouping them according to the relative density of 38 (thirty eight) administrative…

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(This article belongs to Section Statistics & Probability (STP))
Open AccessArticle
8 Pages, 1,398 KB Download PDF

Combination of Salient Object Detection and Image Matching for Object Instance Recognition

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 584–591, 2020; DOI: 10.25046/aj050273
Abstract:

Object Instance Recognition aims to classify objects specifically and usually use a single reference image. It is possible to be used in many applications such as visual search, information retrieval and augmented reality. However, various things affect the appearance of the objects, which makes the recognition process harder, especially if a single reference image is…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 613 KB Download PDF

An ISO 25010 Based Quality Model for ERP Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 578–583, 2020; DOI: 10.25046/aj050272
Abstract:

Higher Education Institutions (HEIs) have begun rapidly adopting, selecting and implementing ERP systems due to the call by various governments to streamline their processes and practices. While ERPs are expanding at much faster rate, there is pressure on most HEIs to ensure quality. For quality model, ISO/IEC 25010 is an international standard for software and…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
11 Pages, 959 KB Download PDF

Securing Hybrid SDN-based Geographic Routing Protocol using a Distributed Trust Model

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 567–577, 2020; DOI: 10.25046/aj050271
Abstract:

In this paper, the vulnerabilities and the security attacks against vehicular networks, SDN architecture and some security solutions for SDVN are studied. Secondly, a complete and improved version of the secure HSDN-GRA routing protocol based on a distributed trust model is proposed where public keys of the vehicles are managed in a distributed way. Besides,…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
6 Pages, 936 KB Download PDF

Minimizing the Cleaning Cost in Flash Based Storage Sub-Systems by Proliferating the Valid Data Copying Process

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 561–566, 2020; DOI: 10.25046/aj050270
Abstract:

Flash memory reliability and the performance have been confirmed as an improvement in the storage subsystem technological advancement, especially in supporting an embedded system solution. Conversely, the main constraint of the storage device is the erase-before-write characteristic in handling both write and re-write I/O operations. More attention must be taken into consideration to handle both…

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(This article belongs to Section Hardware & Architecture in Computer Science (CHA))
Open AccessArticle
10 Pages, 1,105 KB Download PDF

Approach to Combine an Ontology-Based on Payment System with Neural Network for Transaction Fraud Detection

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 551–560, 2020; DOI: 10.25046/aj050269
Abstract:

Fraud, as regards means of payment, means the behavior of any legal or natural one that makes an abnormal or irregular use of a way of payment, elements of it or information contained therein, to improperly obtain an honest, service or enrichment, and or causing financial damage to the one that has distributed the means…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 1,728 KB Download PDF

Understanding Human Perception of Vibrotactile Feedback in Walking and Running Tasks

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 537–544, 2020; DOI: 10.25046/aj050267
Abstract:

Vibrotactile feedback is increasingly becoming an essential feedback component in several non-medical and medical areas. One area that vibrotactile feedback has not been explored as an intervention tool is in sports science. In addition, vibrotactile feedback lacks scientific evidence as a feedback mechanism within the sports world. A portable vibrotactile feedback system was developed to…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Robotics (ROB))
Open AccessArticle
15 Pages, 1,070 KB Download PDF

On the Ensemble of Recurrent Neural Network for Air Pollution Forecasting: Issues and Challenges

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 512–526, 2020; DOI: 10.25046/aj050265
Abstract:

Time-series is a sequence of observations that are taken sequentially over time. Modelling a system that generates a future value from past observations is considered as time-series forecasting system. Recurrent neural network is a machine learning method that is widely used in the prediction of future values. Due to variant improvements on recurrent neural networks,…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
10 Pages, 7,929 KB Download PDF

Interaction Model and Respect of Rules to Enhance Collaborative Brainstorming Results

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 484–493, 2020; DOI: 10.25046/aj050262
Abstract:

This paper presents a collaborative interaction model (CIAO) and several behaviour rules that could enhance brainstorming results. The model is composed of five elements which may be used during brainstorming sessions, consisting of activities performed by partici- pants which are characteristic of different modes of interaction. Some sequences of these interactions may be considered more…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Engineering Management (EMM))
Open AccessArticle
8 Pages, 1,473 KB Download PDF

Object Classifications by Image Super-Resolution Preprocessing for Convolutional Neural Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 476–483, 2020; DOI: 10.25046/aj050261
Abstract:

Blurred small objects produced by cropping, warping, or intrinsically so, are challenging to detect and classify. Therefore, much recent research is focused on feature extraction built on Faster R-CNN and follow-up systems. In particular, RPN, SPP, FPN, SSD, and DSSD are the layered feature extraction methods for multiple object detections and small objects. However, super-resolution…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
7 Pages, 746 KB Download PDF

Comparison Analysis between Mobile Banking and Mobile Payment as Determinant Factors of Customer Privacy

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 469–475, 2020; DOI: 10.25046/aj050260
Abstract:

Mobile banking and mobile payment are currently always used by customers for financial payments. With customer payments, it is usually easier to make payments with mobile payment, because it is more practical and direct than mobile banking. However, is the privacy of both platforms understood by the customer? Research questions to be answered: 1) What…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 1,289 KB Download PDF

The Usability Evaluation of Academic Progress Information System (SIsKA-NG)

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 460–468, 2020; DOI: 10.25046/aj050259
Abstract:

Limited functionalities of the Academic Progress Information System (SIsKA) has direct consequences on the quality of thesis management service at the authors’ magister study program of the authors’ university. This research focused on the significant improvement from the previous User Experience Questionnaire (UEQ) result of SIsKA. That significant improvement was based on the recommendations from…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Bioinformatics (BIF))
Open AccessArticle
8 Pages, 785 KB Download PDF

Promoting Continuous Professional Development Among Academics from A Vocational College by Using A Practical Workshop Based on Arduino Technology

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 452–459, 2020; DOI: 10.25046/aj050258
Abstract:

The internet of things has resulted in the design and development of many electronic sensors that need to be integrated with various technologies. Engineering academics need ongoing training relating to this integration as they need to subsequently teach their students. This relates to continuous professional development. The purpose of this article is to illustrate how…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
11 Pages, 1,354 KB Download PDF

Pyrolysis of Beech Wood in A Continuous Drop Tube Reactor in Comparison to A Batch Reactor

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 441–451, 2020; DOI: 10.25046/aj050257
Abstract:

The goal of this research work is first to investigate the comparison between a batch and a continuous pyrolysis reactor (at 500, 550 and 600 °C) and the eventual differences and similarities that are obtained by analysing the obtained liquid and gas compositions. All the products formed were examined: liquids by GC-MS/FID and Karl Fischer…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Thermodynamics (THD))
Open AccessArticle
9 Pages, 965 KB Download PDF

Author Identification for Marathi Language

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 432–440, 2020; DOI: 10.25046/aj050256
Abstract:

This is era of new technology; most of information is collected from internet, web sites. Some people uses data from research papers, thesis, and website as it is and publish as their own research without giving proper acknowledgement. This term is known as plagiarism. There are two types of plagiarism detection methods, i) Extrinsic plagiarism…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 883 KB Download PDF

A Comprehensive Study of Privacy Preserving Techniques in Cloud Computing Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 419–424, 2020; DOI: 10.25046/aj050254
Abstract:

The huge growth in cloud storage utilization over the past years has made a big demand for an advanced technique and strong tools to make services even more practical and secure. Data privacy in cloud computing has become one of the biggest concerns for both individuals and organizations which adds more pressure on cloud service…

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(This article belongs to Section Cybernetics in Computer Science (CCY))
Open AccessArticle
8 Pages, 971 KB Download PDF

A Comparative Analysis of ARIMA and Feed-Forward Neural Network Prognostic Model for Bull Services

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 411–418, 2020; DOI: 10.25046/aj050253
Abstract:

Bull service is the natural copulation by a purebred male carabao with a female counterpart. This is part of the bull loan agenda of the Philippine Carabao Center-Visayas State University (PCC-VSU), one of the 12 regional centers of PCC. For the past years, PCC-VSU used averaging of bull services count of previous years and sometimes…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
12 Pages, 1,343 KB Download PDF

Using Metaheuristics-Based Methods to Provide Sustainable Market Solutions, Suitable to Consumer Needs

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 399–410, 2020; DOI: 10.25046/aj050252
Abstract:

Nowadays the buildings sector is one of the key sectors to achieve sustainability, with the correspondent consumers, in particular, the household consumers, having the need to perform sustainable choices every day, regarding the appliances to be acquired from the market. This is not only due to government’s growing concerns about sustainability but also with the…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Energy & Fuels (ENF))
Open AccessArticle
6 Pages, 601 KB Download PDF

Hybrid Autogyro: Model and Longitudinal Control for Wind Gust Energy Conversion Using Autorotation

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 393–398, 2020; DOI: 10.25046/aj050251
Abstract:

In the new technologies for producing electricity from wind gusts, a new class of wind power converter has been proposed. The hybrid autogyro uses the principle of autorotation to generate lift. This paper proposes to take advantage of this rotation to also generate energy. There are systems that use flying wings or airplanes to reach…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Aerospace Engineering (EAR))
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