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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
Arjuna Subject : -
Articles 258 Documents
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PERFORMANCE TESTING ANALYSIS OF BANDUNGTANGINAS APPLICATION WITH JMETER Ekky Novriza Alam; Fitriyana Dewi
International Journal of Innovation in Enterprise System Vol 6 No 02 (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.v6i02.172

Abstract

The bandungtanginas.id application was created to serve the needs of data collection on maternal and child health at every posyandu in the city of Bandung. This application is planned to be able to serve around 1,982 posyandu in the city of Bandung, around 10,000 users, who are expected to be able to access the bandungtanginas.id application. In the current condition of the application support infrastructure still has limitations in supporting the bandungtanginas.id application. With specifications that tend to be low, an improvement effort is needed through generating application usage scenarios so that the services provided can be optimally available using the existing infrastructure. This research focuses on analyzing the application performance by using load testing. This research has four stages: determining the test's purpose, creating a test scenario, carrying out scenario testing, and analyzing the results. The analysis will be carried out with the results of load testing experiments based on the scenarios that have been made. Test scenarios are made to obtain experimental data, last further analysis and conclusions will be made. Scenarios are created based on an estimate of the optimal number of users the application should serve. The test scenario will use a target user of between 10 – 200 users who are divided in five groups of load testing scenarios. From this trial, it will be seen how the performance of the bandungtanginas.id application for each scenario group that has been created. The result of this study showed that the best scenario for bandungtanginas.id application could serve users in the range of 30-50 users. It is obtained from the response time results, which show the average results are under 30 seconds according to the SLA (Service Level Agreement) standard for application users.
Measurement and Sorting of MSMEs Business Performance Rating Using Analytical Hierarchy Process Isnaeni Yuli Arini; Tiara Verita Yastica
International Journal of Innovation in Enterprise System Vol 6 No 02 (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.v6i02.181

Abstract

This research was conducted in an enterprise that provides venture capital assistance to its 876 Micro, Small, and Medium Enterprises (MSME) partners to measure and sort the performance of their business. The enterprise wished for a business performance calculation system that is more reliable and utilized more than one criterion. In addition, the enterprise also desired to give rewards to MSMEs with the most excel accomplishment, so they need to know which MSMEs are the most developed among others. This study uses focus group discussions and existing data to obtain the appropriate performance measurement criteria. The determination of the weight of the importance of each criterion was carried out using the Analytical Hierarchy Process (AHP) method using pairwise comparison techniques and its consistency is measured using the transitive property and consistency ratio. The proposed method is emphasized on ease of use and delivery to stakeholders but still capable of acquiring the performance calculation. The calculation includes the increase or decrease rate of the business performance for each MSME, and after sorting the rating, the most accomplished MSME also can be found. The application of this method also can help the stakeholder to reach consensus swiftly.
Proposed Improvement of Monitoring and Controlling Process on Outstanding Customer (Study Case: XYZ Company in Jambi Area) Asih Aulia Putri; Heriyono Lalu; Sri Widaningrum
International Journal of Innovation in Enterprise System Vol 6 No 02 (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.v6i02.182

Abstract

PT XYZ is a company that provides telecommunications services, and for corporate customers, there is the BGES Unit. The payment process for corporate customers is managed by one of the BGES pillars, namely Collection Management. One of the tasks that Collection Management takes care of is outstanding data. The achievement of outstanding billing is only 14.75% per year, which means a payment delay of IDR 7,000,458,871.00 in 2021. Due to excessive workload, billing management does not supervise customers regarding billing so billing objectives are not achieved. In addition, billing information in the form of invoices is provided later than the 5th through 12th of each month so that customers do not know for sure the total bill. This research aims to make improvements in the monitoring and controlling processes of customer outstanding billing. This research uses the business process improvement method. This method also refers to a process that works but some activities need improvement. It does not design new activities but improves existing activities. The tools of business process improvement that were used in this research are application technique wheels and streamlining, which can be useful for simplifying a process and fixing a problem based on the outstanding billing problems by PT XYZ. The result of this research is a new business process as is dashboard monitoring and controlling shown by a context diagram that contains incoming and outgoing data on the billing information system and reminder notification will appear if the target is not achieved. The new business process is expected to assist the BGES unit in monitoring and controlling customers every month, and the target that is expected to be achieved is an outstanding figure of less than 1,000,000 by the end of the year.
Design Of Safety Signs Using Ergonomic Function Deployment Method At PT.XYZ Dita Kusuma Ningsih; Heriyono Lalu; Sheila Amalia Salma
International Journal of Innovation in Enterprise System Vol 6 No 02 (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.v6i02.184

Abstract

PT. XYZ is a company engaged in manufacturing by processing raw materials into semi-finished goods or finished goods. Because the company routinely produces these products and involves machinery, it will allow small to serious work accidents to occur. Based on the hazard event data owned by the company, there are 5 very diverse events that will be analyzed in the risk control hierarchy to minimize hazard events. The results of the risk control hierarchy analysis have two hazard events that have safety sign design criteria. Therefore, research was conducted to design safety signs in the area of explosive materials and loading progress in minimizing hazard events using safety signs assessment and Ergonomic Function Deployment approaches. The data needed in the design are anthropometric data, layout data, customer statements and level questionnaires interest and satisfaction. From the results of the safe sign assessment, the signal word is obtained, determining the location, height, model, and material of the safety signs. The results of the safety signs assessment will be used for the Ergonomic Function Deployment approach. From the results of the Ergonomic Function Deployment, the results obtained are the size of safety signs, safe reading distance, type of layout, use of language and font size on safety signs. There are two types of designs, namely explosive material and loading progress safety signs. The design of safety signs refers to the ANSI Z535 standard so that the design of safety signs has detailed signal words, symbols, signs, and word messages.
The Comparison of Stock Price Before and After Pandemic to Identify The Health of Sector Company Retinda Liandya Gita; Endang Chumaidiyah; Rita Zulbetti
International Journal of Innovation in Enterprise System Vol 6 No 02 (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.v6i02.185

Abstract

At the beginning of the Covid-19 outbreak in Indonesia, almost all activities in this country were disrupted and economic activity was no exception. Indonesia's current economic growth is down 2.07% in 2020 due to the Covid-19 pandemic which has caused it to be reduced to a low and middle-income country. Based on the gross domestic product (GDP), most sectors of the Indonesian economy experienced a decline in growth in 2020. Only 5 economic sectors showed positive growth. The sector with the largest positive growth was the health services sector and social activities, which amounted to 11.60%. This growth affects the stock price of health sector companies. Grounded on the IDX Industry category (IDXHEALTH) from 2018-2022, there was an increase of 41.28%. The Health Sector which continues to grow is driven by the payment of Covid- 19 incentives. This study was conducted to identify the Difference in Stock prices of Health Sector Companies before and after Covid- 19 with the supposition that the Covid- 19 pandemic occurred in March 2020 by observing stock price fluctuations two years before and after the Covid- 19 Pandemic. Based on the Paired Sample T-test, the stock prices of 3 companies from 6 companies have significant differences in the specified sample period, namely DVLA, PRDA, and MERK companies where the stock prices of DVLA and PRDA have increased. In addition, PRDA's stock price has the largest stock price among other health sector companies, meaning that PRDA companies have good performance.
Information system design for higher education evaluation based on student's perspective Tiara Verita Yastica; Muhammad Nashir Ardiansyah; Muhammad Almaududi Pulungan
International Journal of Innovation in Enterprise System Vol 7 No 01 (2023): 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.v7i01.169

Abstract

The quality of Indonesia's higher education institutions has not excelled compared to Southeast Asian countries such as Singapore, Malaysia, and Thailand. Based on 2020 data, the percentage of higher education institutions in Indonesia that have been accredited is 59%. It is crucial to evaluate and improve the factors that affect the quality of higher education institutions based on the student's perspective, the primary customer of higher education institutions. This study aims to evaluate the quality of higher education institutions based on students' satisfaction in real-time. Furthermore, this research will propose a design of an information system that can automate the evaluation process. The findings of this study can be applied to the existing system, providing information and analysis to support the policy-making process.
Application of the Naïve Bayes Classifier Algorithm to Analyze Sentiment for the Covid-19 Vaccine on Twitter in Jakarta Ire Puspa Wardhani; Yudi Irawan Chandra; Ferri Yusra
International Journal of Innovation in Enterprise System Vol 7 No 01 (2023): 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.v7i01.171

Abstract

The epidemic of a new disease caused by the coronavirus (2019-nCoV), commonly referred to as COVID-19, has been declared a global virus epidemic by the World Health Organization (WHO). President Joko Widodo has officially ratified Presidential Decree No. 99 of 2020 concerning the provision of vaccines and the implementation of vaccination activities. Twitter is a social media platform that allows users to share information and opinions directly with fellow users. Tweets given can be in any form, either positively or negatively, so one of the methods used is sentiment analysis. Sentiment analysis helps determine an opinion or comment on an issue, whether the response is positive or negative. The Naïve Bayes algorithm is used in sentiment analysis because it is suitable for tweets or text data that is not too long or short text. The initial stage of sentiment analysis is text pre-processing which consists of Cleaning, case folding, tokenizing, and stopword removal. Then the data is labeled manually. The analysis results are visualized as bar charts, pie charts, and word clouds. Then the word weighting is carried out using the term frequency-inverse document (TF-IDF), and classification is carried out using the Naïve Bayes classifier. From the test results, the accuracy value of the confusion matrix is 82% from 2600 tweet data with 80% training data composition and 20% test data.
Forming Dataset of The Undergraduate Thesis using Simple Clustering Methods Tio Dharmawan; Chinta 'Aliyyah Candramaya; Vandha Pradwiyasma Widharta
International Journal of Innovation in Enterprise System Vol 7 No 01 (2023): 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.v7i01.187

Abstract

Each university collects many undergraduate theses data but has yet to process it to make it easier for students to find references as desired. This study aims to classify and compare the grouping of documents using expert and simple clustering methods. Experts have done ground truth using OR Boolean Retrieval and keyword generation. The best cluster was discovered by the experiments using the K-Means, K-Medoids, and DBSCAN clustering methods and using Euclidean, Manhattan, City Block, and Cosine Similarity metrics. The cluster with the best Silhouette Score compared to the accuracy of the categorization of each document. The K-Means clustering method and the Cosine Similarity metric gave the best results with a Silhouette Score value of 0.105534. The comparison between ground truth and the best cluster results shows an accuracy of 33.42%. The result shows that the simple clustering method cannot handle data with Negative Skewness and Leptokurtic Kurtosis.
Scheduling Splitable Jobs on Identical Parallel Machines to Minimize Makespan using Mixed Integer Linear Programming Ayudita Oktafiani; Muhammad Nashir Ardiansyah
International Journal of Innovation in Enterprise System Vol 7 No 01 (2023): 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.v7i01.190

Abstract

The scheduling of parallel machines with and without a job-splitting property, deterministic demand, and sequence-independent setup time with the goal of minimizing makespan is examined in this work. For simultaneous processing by multiple machines, single-stage splitable jobs are broken into random (job) sections. When a job starts to be processed on a machine, an operator has to setup the machine for an hour. By creating two Mixed Integer Linear Programming models, this work proposes a mathematical programming strategy (MILP). A MILP model takes the job-splitting property into account. Another model, however, does not include the job-splitting property. This study investigates the performance of the proposed models using Gurobi solver. These programs' numerical calculations are based on actual problems in the Indonesian city of Bandung's plastics industry. On four identical parallel injection molding machines, 318 jobs must be finished in 22 periods. The real scheduling method is contrasted with these two MILP models. The maximum workload imbalance, the maximum relative percentage of imbalance, and the makespan of these three scheduling systems are used to evaluate their effectiveness. Without the job-splitting property, MILP can handle the real issue of scheduling identical parallel machines on injection molding machines to reduce makespan, resulting in a 36% average decrease. The MILP model's job-splitting property can reduce makespan by an additional 2.40%. The order of relative ranking is MILP with job-splitting property, MILP without job-splitting property, and actual scheduling based on the makespan minimization, workload imbalance, and relative percentage of imbalance.
Designing Ergonomic Standing Chair for Computer Numerical Control Machine Operators using TRIZ Rizalulhaq Rasyid; Dino Caesaron; Yusuf Nugroho Doyo Yekti
International Journal of Innovation in Enterprise System Vol 7 No 01 (2023): 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.v7i01.191

Abstract

In this research, the working hours and posture of CNC (Computer Numerical Control) machine operators were investigated to determine the physical workload that they experienced during their daily work. Based on our observations, the operator works 8-hour regular shifts or 12-hour long shifts for 5 – 6 days a week. During these shifts, the operators work in front of the CNC machine while standing upright without any tools to rest. Preliminary research was conducted to evaluate these conditions the results show 13 out of 20 CNC machine operators complained about physical fatigue while working the CNC machines. It can also be concluded that the operators are experiencing excessive workload based on a workload assessment using the Quick Exposure Check (QEC) method. To solve this problem, a standing chair is designed with ergonomics in mind. The dimensions of the standing chair are based on the anthropometry of the CNC machine operators, which was never used before. The design process is conducted using the Theory of Inventive Problem Solving (TRIZ) methodology. Need statements from the CNC machine operators and design requirements from the stakeholders are converted into design specifications using TRIZ methodology. Parameters are determined to increase the capability of the existing design based on the design specifications. The result of this research is a standing chair that is suitable for the operator’s needs. Based on the analysis of the design result and the stress analysis simulation, it can be concluded a functional standing chair can be ergonomically designed with the TRIZ methodology.

Page 12 of 26 | Total Record : 258

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