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INDONESIA
IJIES (International Journal of Innovation in Enterprise System)
Published by Universitas Telkom
ISSN : -     EISSN : 25803050     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering
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Articles 258 Documents
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Designing Decision Support System for Midwifery Students’ Tuition Fees Problem Chandrawati Putri Wulandari
International Journal of Innovation in Enterprise System Vol. 5 No. 2 (2021): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v5i02.101

Abstract

Education is an essential need and an important element to create a broad-minded youth. While inIndonesia, the rate of tuition fees is still imbalanced with the economic rate. Thus, many peopledecided to discontinue their higher education. Decision making plays an important role to manageorganizations, including in educational institutions, as one of the main duties in managerial is makingdecisions. This study took place in a midwifery academy in Malang. In response to this situation, theacademy has a policy to alleviate students by paying the tuition fees in instalments. However, manystudents are in arrears as the result of this policy. Thus, management needs to take some considerationbefore making a decision toward the problem. Those considerations require high accuracy and timeconsuming to process information that support decision making. Currently, the decision-makingprocess in this academy is still semi-automated, in which some processes are still done manually,which affect longer time to make decisions, and the accuracy of calculations could not be fullyguaranteed. According to this condition, the purpose of this research is to design a decision supportsystem that enables us to process information for decision making and to offer decision alternativesfor decision makers. This research employs Systems Development Life Cycle (SDLC) with a decisiontable as a method to create decision alternatives. The prototype was developed using Visual StudioC#.Net. The result shows that by using the proposed prototype of DSS, decision makers can reduce5-10 minutes of decision making process compared to the old semi-automated system which stillrequired manual calculation and data collection and analysis before making the decision. A completedata and more detailed parameters for decision criteria are required to implement the proposedprototype of DSS in the institution with more objective consideration in the decision making processas the future work.
Automated Event-Triggered GUI Testing and Bug Reproduction for NonAndroid Applications Anit Thomas M; Chinchu Krishna S
International Journal of Innovation in Enterprise System Vol. 5 No. 2 (2021): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v5i02.99

Abstract

Today’s mobile gadgets are seamlessly incorporating innovative features demanded by the users.Most often, the applications contain bugs or functionality issues reported by the customers. Thedevelopers are responsible for reproducing such reported bugs, which are written in naturallanguages. Reproducing bugs from bug reports make the bug resolution inefficient. Nowadays,various methods are adopted to reproduce crash reports for android applications. But bugreproduction for non-android applications is still a challenging task. This paper proposes a novelapproach that is capable of doing bug reproduction from bug reports to help the developers to solvethe functionality issues of non-android applications in an automated manner. This approach uses aUI tester called the GUI engine, which is an excel sheet. The use cases which are to be tested canbe filled in the GUI engine. All the use cases are to be filled based on a particular syntax. For thatpurpose, the developer can make use of a set of yaml files containing all the GUI information forall the screens of the application under test. The use cases are executed in the GUI engine andconclusions are made based on the test result. The GUI engine displays two colors green and redshowing the working and failing of GUI components of the application under test. So that thedeveloper can easily identify the failing components and take actions accordingly. The test hasbeen done with more than 1000 test cases for one region and the result shows that almost all GUIcomponents work for this method except for animation. It has tested for software developed forUS, Europe, and German regions. Also, the proposed method is found to be much faster andefficient than the existing as well as manual testing methods.
Identical Parallel Machine Scheduling to Minimize Makespan Using Suggested Algorithm Method at XYZ Company Naura Maisazahra; Murni Dwi Astuti; Murman Dwi Prasetio
International Journal of Innovation in Enterprise System Vol. 6 No. 1 (2022): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v6i01.146

Abstract

XYZ company produce the various shape of motor spare parts product. The company has threeidentical parallel spot welding machines that use a random method of production scheduling, basedon machine capacity without any sequence of jobs, and only use daily production targets given tooperators. Based on the data, the actual scheduling of the machines has a very large completion timedifference between each machine, or the machine loading is uneven. As a result, the makespanbecomes longer with a value of 440000 seconds (26 days). This research aims to minimize the existingmakespan by giving proposed scheduling, using the suggested algorithm method, which has a smallnumber of iterations and has an optimal result. The method begins with the longest processing timesequence rule which is used as the upper bound for the first iteration, then continued to calculate thelower bound and machine workload. The calculation stops at the 15th iteration because the completiontime value exceeds the lower and upper bound so that the optimal scheduling taken is scheduled inthe 14th iteration with a makespan value of 914412 seconds (16 days). The proposed scheduling canminimize the makespan from the actual schedule by 38%.
Design Business Offline and Online Based on Website of Pikyeum SME in Bandung Dinda Syabila Elfani; Endang Chumaidiyah; Sinta Aryani
International Journal of Innovation in Enterprise System Vol. 6 No. 1 (2022): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v6i01.155

Abstract

Pikyeum SME created a new business idea to connect sellers and consumers, introduce products,and place online purchases. By creating a website, Pikyeum SME makes it easy for consumersthroughout Indonesia to find Peuyeum chips. This case study was conducted in Pikyeum SME,located in Lot Leuwidulang No. C 02, Sub-district Pameungpeuk, Bandung, Indonesia. Datacollection and analysis were conducted qualitatively and quantitatively. The purpose of thisresearch is to measure the demand, design technical and operational aspects, design a websitebased application, measure the product's financial feasibility, and measure the sensitivity level ofPikyeum food products offline and online sales. Survey data were analyzed using corrected itemtotal correlation as a validity testing technique and Cronbach's Alpha as a reliability testingtechnique with the aid of the SPSS program. Based on this research, Net Present Value (NPV) isIDR 167.006.461, Interest Rate of Return (IRR) at 36,70%, and Payback Period at 3,4 years. It canbe concluded that Pikyeum SME is feasible to run because NPV > 0, payback period < asseteconomic life, and IRR > MARR. The increase of raw materials and packaging costs shouldn’t bemore than 36,76%. Meanwhile, the increase of labor cost shouldn’t be more than 23,51%. Thedemand decreases shouldn’t be more than 15,63% and selling prices shouldn’t exceed 11,34%.
Schedule Acceleration Planning in Construction Project (Case Study: Japek II Selatan Tollroad) Aziz Irsyad; Ika Arum Puspita; Wawan Tripiawan
International Journal of Innovation in Enterprise System Vol. 6 No. 1 (2022): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v6i01.145

Abstract

This study focuses on the remaining work at stations (STA) 53+950 to 54+550 in Jakarta – CikampekII Selatan Toll Road Package III project to find the critical path, completion durations, and projectcosts before and after acceleration. The CPM Technique was used to compile network planningdiagrams, determine the critical path and project duration. Crashing Project was applied to crashschedule through the total project duration and cost whose changes due to the implementation of thecrashing method. The critical path was found in mobilization, tree felling, clearing, dig and haul,borrow material, subgrade preparation, base course (A grade), subbase course (B grade), drainagelayer, lean concrete (t=10 cm), concrete pavement, concrete barrier type B, and signage. In the CPM,the duration of project completion is 214 days. The total project budget under normal circumstancesis Rp22.073.412.654. After accelerating with the Crashing Project by proposed overtime was obtainedthe reduced total cost of Rp32.004.882 from the total normal cost of Rp22.073.412.654 toRp22.041.407.771 with an optimum duration of 183 days
Analysis of Student Mentality with Rating Scale Mental Effort on Online Lecturing Mira Rahayu; Dino Caesaron; Celline Isabel Elvira Angkuw; Helena Dinda Putri Naila; Muhammad Khalid Asy-syafi’i; Muhammad Rifqi Fahmi Hidayat
International Journal of Innovation in Enterprise System Vol. 6 No. 1 (2022): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v6i01.144

Abstract

Online lectures are distance learning carried out by all students and teachers who are in separatelocations and involve multiple platforms in the implementation of online lectures. The problemsexperienced by students related to online lectures such as difficulties in using technology, andunderstanding the material so that it triggers a high mental workload from each student. This studyaims to analyze the mental workload of industrial engineering students at Telkom University,Bandung. This study uses the Rating Scale Mental Effort (RSME) method to determine the mentalworkload related to the use of technology in online lectures. In the results of measuring mentalworkload, using a questionnaire distributed to students with 48 respondents. Based on the resultsobtained, the indicator that received the highest average RSME value reached 83.75, on the workanxiety indicator. Therefore, it is necessary to improve online learning and further research.
Public Policy and Financial Regulation in Housing Sector (Case Study: One Million Houses and KPR FLPP) Maria Dellarosawati Idawicaksakti; Monica Dianrosawati Itaratnasari; Raden Aswin Rahadi
International Journal of Innovation in Enterprise System Vol. 6 No. 1 (2022): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v6i01.127

Abstract

During Jokowi’s tenure, a lot of programs and policies that focusing on housing sector were built byhim. Package of Economic Policy XIII is one of many policy’s package that Jokowi develop formanaged housing of people who have low income (MBR) with target that chosen is built onemillion houses. The lack of availability of housing for low-income people, is one of the reasons forthe policy package. In this research, author used qualitative method to analyst the phenomenon. Theresults of this study are the high rate of housing backlogs, the difficulty of obtaining housing ataffordable prices, and discussing KPR schemes in Indonesia. The existence of these governmentprograms does not significantly eliminate the phenomenon of housing a backlog. In addition, theexistence of the program must be accompanied by high supervision from the government andaccompanied by laws that bind violators.
The Project Performance Evaluation of PLBN Project Using Earned Value Management Method Malsya Debrina Nur Salsabila; Ika Arum Puspita; Sandhy Widyasthana
International Journal of Innovation in Enterprise System Vol. 6 No. 1 (2022): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v6i01.139

Abstract

Process of monitoring and controlling projects requires data evaluation activities in the order to findout whether the project is in accordance with the plan to avoid an incompatibility between theplanning and the actual time. The failure of construction project almost reached the figure of 20% -40% which occurred in the project monitoring and controlling process. The purpose of this researchis analysis project performance with earned value management method at PLBN Project. Thisresearch was carried out by several stages: data collection, data processing and analysis. From theresults of the performance index analysis show that the project’s performance on the constructionproject is still not good. At week 16 the CPI and SPI values are 0.94 and 0.85. Both values can beinterpreted that the costs incurred are greater than planning and the implementation time is longerthan planning. The result of EAC is Rp. 2.423.695.294 with an estimated completion time is 21weeks which indicates that there is an additional 3 weeks of completion.
Positioning Strategy Design of Online Travel Agent Applications Based on Perceptual Mapping Muhammad Fadhil Rafif; Sari Wulandari; Boby Hera Sagita
International Journal of Innovation in Enterprise System Vol. 6 No. 1 (2022): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v6i01.158

Abstract

Kliktrip is one of the online travel agent application brands with day trip and activity booking servicesin Indonesia which was established in 2018. In the last few years, Kliktrip has experienced severalsymptoms, including a decrease in revenue in the second year and the low level of branddifferentiation of the Kliktrip online travel agent application based on customer perception comparedto other online travel agent application brands. Based on the symptoms of these problems, it can beconcluded that the brand of the Kliktrip online travel agent application is weak in customerperceptions of the online travel agent application because customers tend not to know the advantagesoffered by the Kliktrip online travel agent application brand. To be successful in facing competitionwith other business competitors, it is necessary to carry out sustainable development by buildingcompetitive differentiation by designing and improving positioning strategies. Based on the results ofthe perceptual mapping, there were 4 groups of competitive areas, the online travel agent Kliktripapplication brand was in the same area as the Explorer.id online travel agent application brand whichmade it the main competitor of the Kliktrip online travel agent application brand. The objectives ofthis research are to (1) Design a strategy for improving the brand positioning of the online travel agentapplication and (2) Optimize the resources owned by the Kliktrip online travel agent application brandto implement a strategy for improving the brand positioning of the Kliktrip online travel agentapplication.
Role of E-Learning Readiness on Workload: Perspective Engineering and Non-Engineering Students Litasari W. Suwarsono; Atya N. Aisha; Fida N. Nugraha
International Journal of Innovation in Enterprise System Vol. 6 No. 1 (2022): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v6i01.165

Abstract

Changes in learning methods from face-to-face to online learning due to pandemic covid19 have an impact on student readiness in learning and the mental workload felt by students,that can determine the achievement of the learning process. There are differences in thecharacteristics of learning demands in engineering and non-engineering majors. Therefore,this study aims to evaluate the level of readiness and mental workload of students duringthe implementing full online learning based on the characteristics of the educationdepartment. Data collected by distributing online questionnaires to 180 students (90students majoring in engineering and 90 students in non-engineering). Self-directedlearning (SDL), technical readiness (TC), and comfort with non-face to face communication(CFT) used to measure e-learning readiness, meanwhile NASA TLX used to measuremental workload. Results showed differences between engineering and non-engineeringstudents, especially in the Self-Directed Learning (p < 0,05). Non-engineering studentsperceived that they are more prepared to manage their learning process independentlyduring online learning. Related to mental workload students perceive higher demands fromonline learning activities, the engineering group had higher level of time-related demands.According to correlation testing there was a negative and significant correlation betweenthe self-directed learning dimension scores of E-Learning Readiness and the NASA TLXscores (p < 0,05). These results indicated the role of student’s e-learning readiness,especially self-directed learning readiness can reduce perceptions related to the mentalworkload experienced by engineering students in online learning. This condition was notapplied on non-engineering students. Future study needed to explore the characteristics ofstudy programs that relate to both variables and if the condition applied on other learningconditions such as hybrid learning.

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