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All Journal Explore: Jurnal Sistem Informasi dan Telematika (Telekomunikasi, Multimedia dan Informatika) REKAYASA Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) JURNAL MEDIA INFORMATIKA BUDIDARMA TeknoIS : Jurnal Ilmiah Teknologi Informasi dan Sains JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) International Journal of Global Operations Research Abdi-Dharma Jurnal Pengabdian Masyarakat Tapis Berseri SisInfo : Jurnal Sistem Informasi dan Informatika Sainteks: Jurnal Sain dan Teknik In Search (Informatic, Science, Entrepreneur, Applied Art, Research, Humanism) Jurnal Komtika (Komputasi dan Informatika)
Graha Prakarsa
Universitas Informatika Dan Bisnis Indonesia
Agriculture, Biological Sciences & Forestry Arts Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Pengembangan Sistem Pendukung Keputusan Menggunakan Metode Tsukamoto Graha Prakarsa; Vani Maharani Nasution
In Search (Informatic, Science, Entrepreneur, Applied Art, Research, Humanism) Vol 18 No 2 (2019): In Search
Publisher : LPPM UNIBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37278/insearch.v18i2.223

Abstract

Pemeliharaan hanger di PT. Chitose Internasional.Tbk, saat ini didasarkan atas sirkulasi penyerahan hanger ke pihak produksi. Belum adanya suatu perhitungan standar, dalam mencari persentase tingkat risiko hanger masuk maintenance, menjadi permasalahan tersendiri. Hanger harus memiliki perhitungan dalam penentuan nilai persentase standar, dimana nilai tersebut dapat memberikan suatu keputusan yang jelas. Terdapat suatu metode dalam Logika fuzzy yaitu metode Tsukamoto, yang dapat dimanfaatkan dalam mengambil suatu keputusan. Penelitian ini didasarkan pada permasalahan bagaimana cara membuat suatu perhitungan standard, dalam mencari persentase tingkat risiko hanger masuk maintenance, dengan cara menerapkan Fuzzy Logic metode Tsukamoto, agar perhitungan menjadi lebih cepat, akurat, dan tepat. Contoh dari penerapan metode tsukamoto, dalam mencari persentase tingkat risiko hanger masuk maintenance, didapatkan hasil untuk hanger Back Caesar, persentase tingkat kebutuhan hanger sebesar 91%, dan memiliki tingkat risiko hanger masuk maintenance sebesar 70,375%. Keputusan akhir menunjukan bahwa hanger Back Caesar dinyatakan memiliki tingkat risiko maintenance tinggi (range antara 54,6-100%) dan akan dilakukan tindakan planned maintenance. Penerapan metode tsukamoto yang telah dilakukan menunjukan bahwa, dalam mencari persentase tingkat risiko hanger masuk maintenance, terlebih dahulu harus mencari output crisp dari persentase tingkat kebutuhan hanger dengan metode tsukamoto. Seluruh perhitungan harus melalui proses fuzzyfikasi, pembentukan basis pengetahuan, mesin inferensi, dan defuzzyfikasi. Kecepatan, keakuratan, dan ketepatan dalam mencari persentase tingkat risiko masuk maintenance, yang ada di PT. Chitose Internasional.Tbk menjadi lebih baik. Hal ini menunjukan bahwa metode tsukamoto cocok dan dapat diterapkan, dalam mencari persentase tingkat risiko hanger masuk maintenance
Study of Downstream Analysis of Strategic Investment in Petroleum Commodities In Increasing the Value of Indonesian Petroleum Products Bhagya, Tombak Gapura; Yasmadi, Bambang; Yulianti, Dini; Prakarsa, Graha; Anggraito, Hendry
Sainteks: Jurnal Sain dan Teknik Vol 6 No 2 (2024): September
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v6i02.825

Abstract

The government is currently trying to increase the added value of product, especially products whose raw material come from within the country. One way to increase added value is by downstreaming commodities. Petroleum is one of the commodities that will be downstream from the upstream to downstream sector. There is limited petroleum in Indonesia, so it needs to be utilized as best as possible. So that the added value of petroleum can be returned with greater value. From the results of the study, there are five industrial sectors that can be developed by government to downstream petroleum commodities, namely liquid parafin, phenol, cumene, caprolacton and polycarbonate
Optimasi Penggunaan Teknologi Dan Akses Digital Untuk Pendidikan Lanjutan Pada Kober Nurul Ikhlas Nursyanti, Reni; Setiana, Elia; Marwondo; Restreva Danestiara, Venia; Prakarsa, Graha; Ikhsan Nur, Muhammad; Teofilus Hendrawan, Yesaya
Jurnal Pengabdian Masyarakat Tapis Berseri (JPMTB) Vol. 3 No. 2 (2024): Jurnal Pengabdian Masyarakat Tapis Berseri (JPMTB) (Edisi Oktober)
Publisher : Pusat Studi Teknologi Informasi Fakultas Ilmu Komputer Universitas Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36448/jpmtb.v3i2.114

Abstract

Pemerintah, khususnya Dinas Pendidikan, semakin mendorong pemanfaatan teknologi dalam mendukung pendidikan lanjutan. Salah satu langkah konkret yang diambil adalah implementasi sistem Penerimaan Peserta Didik Baru (PPDB). Inisiatif ini menjadi bagian dari upaya untuk meningkatkan efisiensi dan aksesibilitas dalam proses pendidikan. Melalui PPDB online, calon siswa dan orang tua dapat mengakses informasi dan melakukan pendaftaran tanpa harus datang ke lokasi secara fisik. Hal ini memungkinkan partisipasi yang lebih luas dan meminimalkan hambatan administratif. Penerapan teknologi dalam PPDB online juga membawa dampak positif dalam hal transparansi. Meskipun Prosedur pendaftaran dan kriteria seleksi menjadi lebih jelas dan terdokumentasi dengan baik, tetapi dalam prosesnya orang tua siswa masih banyak yang belum mengerti penggunaan teknologi dan alur sistem PPDB Onlie serta apa saya yang perlu dipersiapkan saak mengakses teknologi tersebut, sehingga PKM ini diadakan agar dapat pengoptimalisasi penggunaan teknologi sekaligus mengedukasi orang tua siswa untuk dapat lebih efektif dalam menggunakan teknologi terutama akses digital untuk Pendidikan lanjutan.
Design and Development of Fuzzy Logic Application Tsukamoto Method in Predicting the Number of Covid-19 Positive Cases in West Java Permana, Alwi Dahlan; Nasution, Vani Maharani; Prakarsa, Graha
International Journal of Global Operations Research Vol. 1 No. 2 (2020): International Journal of Global Operations Research (IJGOR), May 2020
Publisher : iora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47194/ijgor.v1i2.35

Abstract

The increase in covid-19 positive patients in Indonesia, especially in West Java, is unpredictable, resulting in unpreparedness in dealing with covid-19 cases. People in monitoring and patients under supervision are the category that is breast-positive patients after passing the incubation period for 14 days. Fuzzy logic is one derivative of artificial intelligence that is able to predict a thing.The study used the fuzzy logic of the Tsukamoto method to predict the percentage increase in positive cases of covid-19 with measures performed are fuzzification, rule formation, inference, and defuzzification. The results showed a 4.5% error rate indicating that predicting covid-19 using the fuzzy logic of the Tsukamoto method was successful.
Integration of Mobile Perceived Compatibility, Mobile Perceived Financial Resources, and Mobile Perceived System Quality with TAM in Virtual Hotel Operator Applications in Indonesia Prakarsa, Graha; Nasution, Vani Maharani; Ramadhiana, Irena Nurul; Ginanjar, Ari Ramdan
International Journal of Global Operations Research Vol. 1 No. 2 (2020): International Journal of Global Operations Research (IJGOR), May 2020
Publisher : iora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47194/ijgor.v1i2.36

Abstract

The development of current technology makes people want to book hotel rooms that suit their own needs and desires, then the VHO application in Indonesia comes. This causes the need for a model that is able to measure the extent to which the level of acceptance of VHO applications. The existence of a measurement model for the acceptance of the VHO application will greatly help business people in this field to be able to develop their products and improve the performance of the service products they offer. The purpose of this research is to determine how much acceptance of VHO application users based on the Technology Acceptance Model (TAM). This research approach uses a quantitative approach with survey methods. The data collection technique is using a questionnaire that distributed randomly to users of the VHO application. The data analysis method used is descriptive analysis, using multiple linear regression techniques. The results of this study indicate that the variables of mobile perceived compatibility, mobile perceived financial resources, and mobile perceived system quality have a simultaneous effect on the mobile variable perceived usefulness, the mobile variable perceived ease of use and the intention to use variable.
Optimization of Traffic Light Control Using Fuzzy Logic Sugeno Method Kartikasari, Ria Yuliani; Prakarsa, Graha; Pradeka, Deden
International Journal of Global Operations Research Vol. 1 No. 2 (2020): International Journal of Global Operations Research (IJGOR), May 2020
Publisher : iora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47194/ijgor.v1i2.37

Abstract

Congestion is one of the big problems around the world, especially for big cities. Intersections are the scene of congestion because the lane is the meeting point of two or more roads which has a major influence on the smooth flow of vehicles on the road network. This congestion occurs due to various factors, one of which is the statistical traffic light duration, which does not match traffic conditions. Based on this, there needs to be a development in the timing of a more adaptive green light. This study describes the design of a traffic light controller using the Sugeno method fuzzy logic. This study aims to design a green light duration calculation by applying fuzzy logic that results in adaptive traffic light duration at intersections, by entering the density of each intersection path, which is divided into 4 inputs, namely regulated lane density, opposing lane density I, and opposite lane density. II, the density of the opposite lane III, with the aim of the system being able to produce a duration that is in accordance with the current traffic situation with an output in the form of a green light duration on the regulated lane.
Factors Affecting of Use of LMS in Indonesia Prakarsa, Graha; Sudirman, Iman; Affandi, Azhar; Santoso, Ferry
Sainteks: Jurnal Sain dan Teknik Vol 6 No 1 (2024): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v6i1.648

Abstract

The rapid growth of e-marketplaces in Indonesia today, has led to many users adopting the system, due to the large number of e-marketplace mobile applications, making it necessary for developers to know and pay attention to several factors that influence users in adopting e-marketplace application systems at this time, one of which is the only cost factor is perceived by the user. Data were collected as many as 100 respondents who had some experience in using e-marketplaces on a mobile basis, then analyzed using partial least squares-structural equation modeling (PLS-SEM). This research is based on the conceptual framework of the Unified Theory of Acceptance and Use Technology (UTAUT). The constructs used in this study are performance expectancy, effort expectancy, social influence, and facilitating conditions, but also add a perceived cost variable. The results show that performance expectancy, effort expectancy, and perceived cost have a positive and significant effect on the actual use of mobile e-marketplace users in Indonesia, but social influence and facilitating conditions do not significantly affect the actual use of mobile e-marketplace applications in Indonesia.
Implementasi K-Nearest Neighbor untuk Prediksi Harga Bibit Kelapa Sawit dengan Metode CRISP-DM Reni Nursyanti; Graha Prakarsa; Siti Nuraini Rahmawati; Agung Andriana
SisInfo Vol 7 No 1 (2025): SisInfo
Publisher : Universitas Informatika dan Bisnis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37278/sisinfo.v7i1.1122

Abstract

Oil palm is the most productive vegetable oil producing crop and plays an important role in the Indonesian economy. However, fluctuations in the price of oil palm seedlings are a challenge for the Oil Palm Research Center (PPKS) Sungai Lilin Plantation due to the imbalance between demand and production. This study aims to predict the price of oil palm seedlings using the K-Nearest Neighbor (KNN) algorithm with the Cross-Industry Standard Process for Data Mining (CRISP-DM) approach. The dataset used consists of 2,049 records, with a division of 80% training data and 20% test data. With a value of k = 5, the KNN model produces 99.21% accuracy, with 3 misclassified data and 1,626 correct data. The prediction results show a price category of “EXPENSIVE”. This study proves that the KNN method is effective in predicting the price of oil palm seedlings, so it can help stakeholders in decision-making and business strategy
Development of UTAUT Model with Hedonic Motivation to Measure the Adoption of E-Marketplace Mobile Application in Indonesia Prakarsa, Graha; Nursyanti, Reni
Sainteks: Jurnal Sain dan Teknik Vol 7 No 01 (2025): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v7i01.874

Abstract

The development of internet users in Indonesia makes people enthusiastic about using internet services in conducting online shopping transactions using mobile e-marketplaces. This research is motivated by the main problem, namely the absence of measurements in previous studies that measure acceptance of the use of mobile e-marketplaces using the UTAUT model so that application developers can find out what factors can influence users in adopting existing mobile e-marketplaces. market system. in Indonesia. The data processed are 100 respondents who have experience using e-marketplaces on a mobile basis, then analyzed using PLS (Partial Least Squares). This study uses the conceptual framework of the Unified Theory of Acceptance and Use Technology (UTAUT) model. The constructs used in this study are Performance Expectancy, Effort Expectancy, Social Influence, and Facilitating Condition, in addition to the Hedonic Motivation variable. The results of the analysis show that Effort Expectancy and Hedonic Motivation have a significant effect on the actual use of E-Marketplace Mobile users in Indonesia, while Performance Expectancy, Social Influence and Facilitating Conditions have no significant effect on the actual use of E-Marketplace Mobile users in Indonesia. Keywords: : UTAUT, Hedonic Motivation, E-marketplace
Information Quality and Compatibility as Determinants of M-Wallet Usage in Indonesia. Prakarsa, Graha; Nursyanti, Reni; Putra, Prayuda Mulyadi; Saputra, Renda Sandi
International Journal of Global Operations Research Vol. 6 No. 3 (2025): International Journal of Global Operations Research (IJGOR), August 2025
Publisher : iora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47194/ijgor.v6i3.393

Abstract

This study aims to assess the acceptance of mobile wallet applications in Indonesia by incorporating Information Quality and Compatibility as external factors within the framework of the Technology Acceptance Model (TAM). A quantitative approach was employed, and data from 208 respondents were analyzed using Partial Least Squares - Structural Equation Modeling (PLS-SEM). The findings indicate that both Information Quality and Compatibility have a positive and significant influence on Perceived Usefulness and Perceived Ease of Use. Furthermore, these two variables also significantly affect Continuance Intention to Use, which subsequently impacts the Actual Use of mobile wallets. Overall, Information Quality and Compatibility contribute 56% to Perceived Usefulness, 52.4% to Perceived Ease of Use, and 43.8% to Continuance Intention to Use. These findings offer valuable insights for application developers seeking to enhance mobile wallet adoption in Indonesia.
Co-Authors Agung Andriana Anggraito, Hendry Azhar Affandi Baransano, Esar Samuel Bhagya, Tombak Gapura Deden Pradeka Dini Yulianti Ginanjar, Ari Ramdan Gitardiana, Antari Nurayban Ikhsan Nur, Muhammad Iman Sudirman Kartikasari, Ria Yuliani Komala, Elly Latipah, Siti Marwondo Nasution, Vani Maharani Nursyanti, Reni Permana, Alwi Dahlan Putra, Prayuda Mulyadi R. Hari Busthomi Arifin R. Yadi Rakhman Alamsyah Rahadiyanti, Nira Ramadhiana, Irena Nurul Ratih Hadiantini Reni Nursyanti Reni Nursyanti Safira Noor Andinia Santoso, Ferry Saputra, Renda Sandi Setiana, Elia Siti Nuraini Rahmawati Teofilus Hendrawan, Yesaya Tombak Gapura Bhagya Tombak Gapura Bhagya Vaughan, Regan Venia Restreva Danestiara Wibowo, Jati Arie Wicaksono, Ferdyansyah Yasmadi, Bambang