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  • Scheduling Regular Classrooms using Heuristic Genetic and Tabu Search Algorithms

    Authors: Fauziah N.F. ; Putra Y.H.

    DOI: 10.1088/1757-899X/407/1/012116

    Abstract

    The purpose of this study was to scheduling regular classrooms using heuristic genetic and tabu search algorithm. Scheduling in the university environment – related subject is very important, as it pertains to the number of students, limited spaces, lecturer limited, as well as the time available. With all these parameters should get the best solution in terms of timetable by observing any limitations. Heuristic algorithms of optimization strategy is one that can be used in a search schedule. In practice heuristic algorithms in scheduling using genetic algorithm and tabu search. Genetic engineering is used to find the value of a high probability, while tabu search to optimize the number of searches and maintaining the high value that is already generated. The results of this research, namely scheduling using genetic and tabu search algorithm for schedule a number of students who are scheduled, as well as a fitness value with a high number of iterations that bit, so make scheduling with quality better and less time. © Published under licence by IOP Publishing Ltd.

    Indexed keywords

    Engineering controlled terms

    Genetic algorithms; Genetic engineering; Heuristic algorithms; Learning algorithms; Scheduling; Tabu search; Teaching

    Engineering uncontrolled terms

    Fitness values; High probability; Limited space; Number of iterations; Optimization strategy; Tabu search algorithms; University environment

    Engineering main heading

    Scheduling algorithms

    This article can be accessed at: https://www.scopus.com/pages/publications/85054808576

  • Analysis of Eco-Friendly Preference and Eco-Friendly Product Quality; Their Implications to Customer Satisfaction

    Author: Soegoto D.S

    DOI: 10.1088/1757-899X/434/1/012164

    Abstract

    The purpose of this study aims at analysing eco-friendly preference and eco-friendly product quality and their implications on the customer satisfaction either partially or simultaneously. The research method used was quantitative method with multiple linear regression analysis. Three variables measured were eco-friendly preference and eco-friendly product quality as independent variable (X) and customer satisfaction as dependent variable (Y). The object of this research was modern market customer as the unit of analysis. Technique of data collection used saturated random sampling with 100 respondents of modern market customers in Bandung. The statistical analysis used Classical Assumption Test and hypothesis testing test of Z, T and F with significant level (α) 5% and calculated by Eviews program. The result indicated implications Eco-friendly preference and eco-friendly product quality significant positive effect on Customer Satisfaction. This result obtained because the statistical test showed that the eco-friendly preference and eco-friendly product quality increases then implications customer satisfaction will increase. Both variables that were Eco-Friendly Preference and Eco-Friendly Product Quality have effects on their implications Customer satisfaction either partially or simultaneously. © Published under licence by IOP Publishing Ltd.

    Indexed keywords

    Engineering controlled terms

    Commerce; Customer satisfaction; Environmental protection; Linear regression; Sales; Software testing

    Engineering uncontrolled terms

    Dependent variables; Eco-friendly products; Hypothesis testing; Independent variables; Multiple linear regression analysis; Quantitative method; research methods; Unit of analysis

    Engineering main heading

    Quality control

    This article can be accessed at: https://www.scopus.com/pages/publications/85058313732

  • Analysis of Factors Affecting Tuition Fee in a Private University: A Data Mining Using VAR Model

    Wahyuddin S. ; Fauzi Insan Estiko ; Estiko Rijanto

    DOI: 10.1088/1757-899X/662/2/022050

    Abstract

    The purpose of this study is to deals with a data mining to extract knowledge regarding factors which affect tuition fee and predict future amount of the tuition fee. Specifically this paper aims to know what factors do affect tuition fee of a private university in eastern part of Indonesia. We used a vector autoregressive (VAR) model with variables including tuition fee, inflation rate, number of enrolled students and regional minimum wage. The data covers from January 2010 to December 2018 and were collected from the private university, the Bank Indonesia, the Central Bureau of Statistics (CBS), and the South Sulawesi office CBS. We carried out a step-by-step procedure that consists of stationarity test, optimal lag determination, and significance of parameters test as well as un-correlatedness of residuals and structure stability tests. We found that the tuition fee and the number of students are affected by inflation. This result gives impact on tuition fee prediction. © Published under licence by IOP Publishing Ltd.

    This article can be accessed at https://www.scopus.com/pages/publications/85075886440

  • Marketing Services in the Field of Photography 

    and Videography Using Information Technology

    Authors: Satia F.B. ; Wahab D.A.

    DOI: 10.1088/1757-899X/662/3/032062

    Abstract

    The purpose of this study is to find out how the internet can help photography and videography in attracting consumer attention. This research used a descriptive method. The results of this study state that it turns out that the field of photography and videography has a large influence in attracting the attention of consumers. Therefore, it is hoped that every business must be able to use the internet or platform as a form of business development, not only in the field of photography and videography but also other business fields. It can be concluded that the internet can be very helpful in the promotion of products or services that we have. © Published under licence by IOP Publishing Ltd.

    Indexed keywords

    Engineering controlled terms

    Marketing

    Engineering uncontrolled terms

    Business development

    Engineering main heading

    Video recording

    This article can be accessed at https://www.scopus.com/pages/publications/85075902910

  • Flood control study using 1D/2D numerical model in Cipabuaran Channel, Sabi River Watershed, Tangerang City

    Authors: V. Pratiwi ; B. P. Yakti ;  A. Rizaldi, I. R. Moe ; D. P. Koesrindartono

    DOI: 10.1088/1757-899X/662/4/042009

    Abstract

    The flood that occurred in Tangerang City still remains an issue that has not been resolved. The flood arose from Bogor through the Cisadane River. Cipabuaran Channel is one of the channels in the Sabi River watershed who often overflows. Sabi River itself is a tributary of the Cisadane River. In this study, the flood control simulation in Cipabuaran Channel was carried out using a 1D-2D numerical model. Simulation is carried out with 4 scenarios based on the design flow of the 10 year return period. For scenario 1, flood control is carried out using retention pond in the downstream of Cipabuaran Channel, scenario 2 is carried out by using two retention ponds in the upstream and downstream of Cipabuaran Channel, scenario 3 using retention ponds in the downstream of Cipabuaran Channel and bypass channel to Cisadane river, and scenario 4 performed by using retention pond in the downstream of Cipabuaran Channel and normalization on the Channel. Simulation results show the effectiveness of flood reduction for each scenario, in scenario 1 flood can be reduced by 9%, scenario 2 flood can be reduced by 32.52%, scenario 3 flood can be reduced by 77.34% and for scenario 4 flood can be reduced by 95%. From these results, it can be concluded that scenario 4 where flood control is carried out using a retention pond in the downstream of Cipabuaran Channel and normalizing the River can reduce flooding significantly. © 2019 IOP Publishing Ltd. All rights reserved.

    Indexed keywords

    Engineering controlled terms

    Flood control; Floods; Lakes; Numerical models; Regional planning; Watersheds

    Engineering uncontrolled terms

    Bypass channel; Control simulation; Design flows; Retention pond; Return periods; River watersheds

    Engineering main heading

    Rivers

    This article can be accessed at: https://www.scopus.com/pages/publications/85075890420

  • Application of Data Mining for Indonesian Products Export in South Korea Using Clustering: Indonesia Trade Promotion Center Busan

    Author: Pandin C.R.R., Fahrudin

    DOI: 10.1088/1757-899X/662/2/022053

    Abstract

    This research purpose is to classify data export products of Indonesia against South Korea. The clustering method used in this research was the K-Means method, in K-Means cluster had a good degree of accuracy. This research examines how the use of the K-means method in case studies export products Indonesia against South Korea. From the results of clustering using K-Means method based on the value of the USD and Kg, then the generated 3 (three) clusters with cluster values are high, medium and low. Based on those results suggest that K-Means method can be used for inventory control of product reference or as Indonesia Indonesia Trade Promotion Center (ITPC) in Busan to view any export products should be retained and what are the export products should be improved to be promoted in South Korea so as to increase the number of export products of Indonesia against South Korea. © Published under licence by IOP Publishing Ltd.

    This article can be accessed at https://www.scopus.com/pages/publications/85075870920

  • Fingerprint Identification using Bozorth and Boyer-Moore Algorithm

    Authors: Supatmi S. ; Sumitra I.D.

    Abstract

    The process of fingerprint identification in the form of a binary image can be performed with a variety of algorithms to matching the fingerprint process. This study aims to determine the time processing for fingerprint detection using Bozorth and Boyer-Moore models. The result showed that both of the models could detection the fingerprint. This paper contribution is to compare and analyze Bozorth and Boyer-Moore algorithms. The comparison is performed by MATLAB simulation. The simulation results Boyer-Moore algorithm has faster identification process. On the other hand, Bozort algorithm has an advantage for identification of effect rotated or space translated fingerprints. © Published under licence by IOP Publishing Ltd.

    Indexed keywords

    Engineering controlled terms

    Binary images; MATLAB

    Engineering uncontrolled terms

    Boyer-Moore; Boyer-Moore algorithms; Compare and analyze; Fingerprint detections; Fingerprint identification; Identification process; Matlab simulations; Time processing

    Engineering main heading

    Palmprint recognition

    This article can be accessed at: https://www.scopus.com/pages/publications/85075864563

  • Model of Forum Islamic Boarding Schools Application Based on Enterprise System

    Author: Edi K., Supriyati, Ramadhan S.B.

    DOI: 10.1088/1757-899X/662/2/022082

    Abstract

    The purpose of this study is to show the design model’s application of a system-based on Forum Islamic Boarding School to integrate all related functions. The research used descriptive and explanatory research methods, while the type of data taken by conducting interviews and observations with the Forum Islamic Boarding School. Secondary data is taken from the theories available in journals, e-books, proceedings, and slide presentations on the results of seminars and government policies. The results of the study is to make islamic boarding schools application as a tool for develop themselves, introduced to the use of technology and become an institution that lead Pesantren towards Modern Islamic Boarding Schools. So that the Forum Islamic Boarding Schools and Islamic Boarding Schools be able to survive in the era of Industrial Revolution 4.0 and also to contribute in the Sustainable Development Goals (SDGs). © Published under licence by IOP Publishing Ltd.

    Keywords: Condensed matter physics; Industrial engineering; Materials science

    This article can be accessed at https://www.scopus.com/pages/publications/85075900490

  • Evaluation of Usability Online Payment Website to Agent Satisfaction

    Authors: Sari D.P. ; Pangaribuan I.

    DOI: 10.1088/1757-899X/662/2/022121

    Abstract

    Website could use as a media to provider and agent to do business in transportation ticket sales such as airlines, hotel, train and bus, sell pulse and other payment also. Agent act as seller selling products to customer. There are many existing online payment website, to compete with other existing website, need to satisfy agent. Satisfaction could be reach with website quality. The purpose of this research is to measure the quality of the website and agent satisfaction. This study used webqual 4.0 as method, the author took 30 sample from registered agent. The research result is calculation t-statistic on usability value is -0.56. The value is smaller than the t-tabel at a significant level of 95%, so it is rejected, means variable usability is do not have a significant influence on customer satisfaction online payment website. Impact of this study is to know usability of the payment website to improve agent satisfaction. © Published under licence by IOP Publishing Ltd.

    Indexed keywords

    Engineering controlled terms

    Customer satisfaction; Electronic commerce; Sales; Usability engineering; Websites

    Engineering uncontrolled terms

    On-line payment; Research results; T-statistics; Website quality

    Engineering main heading

    Web Design

    This article can be accessed at: https://www.scopus.com/pages/publications/85075864564

  • Code Division Multiple Access Channel Resources Allocation with Applied Token Sub-Queuing for Wireless Multi-Service Packet Switch Traffics

    Authors: Lestariningati S.I. ; Agusdian A.

    DOI: 10.1088/1757-899X/66a2/2/022130

    Abstract

    The purpose of this paper is to determine the method of Channel Resources Allocation of wireless Multi-Service Packet Switch CDMA based. As it has been known, CDMA cell has a fluctuated capacity mainly due to its varying co-channel interference. The simulation is performed to shows the characteristic for Multi-Service Packet Switch traffic such combine CBR, VBR, and ABR users is applied on CDMA system. The idea is to deliver the traffics when capacity increase from assigned minimum value, by implementing Proposed Token Sub-Queue and Multi-Service Traffic Channel Resources Algorithm. In the first time, this method is aim for non-real time traffic such ABR traffic, but the simulation shows that it can be applied further to the real-time connection by prioritizing delaying the drop calls of certain agreed QoS values to re-seize into services. The simulation of proposed method shows better CDMA channel or bandwidth utilization, and suppresses drop call probability for real-time traffic. © Published under licence by IOP Publishing Ltd.

    Indexed keywords

    Engineering controlled terms

    Computational complexity; Drops; Packet networks; Packet switching; Resource allocation; Telecommunication services

    Engineering uncontrolled terms

    Band-width utilization; Capacity increase; Channel resource; Drop call probability; Non-real time traffics; Packet switch traffic; Real time traffics; Real-time connections

    Engineering main heading

    Code division multiple access

    This article can be accessed at: https://www.scopus.com/pages/publications/85075895105