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All Journal Sinkron : Jurnal dan Penelitian Teknik Informatika International Journal of Engineering, Technology and Natural Sciences (IJETS) JNANALOKA International Journal of Research and Applied Technology (INJURATECH) Journal of Artificial Intelligence and Digital Business
Mohammad Rezza Pahlevi
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation Other

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The Systematic Literature Review of the spiral development model: Topics, trends, and application areas Risna Sari; Anggi Muhammad Rifa’i; Muhammad Salimy Ahsan; Mohammad Rezza Pahlevi; M. Ilham Arief
International Journal of Research and Applied Technology (INJURATECH) Vol 2 No 2 (2022): International Journal of Research and Applied Technology (INJURATECH)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injuratech.v2i2.8372

Abstract

The spiral model is one of the methods used to perform software engineering development and can also be used for development in other fields. This spiral model is the result of a modification from the combination of the waterfall model and prototyping model so that it has many advantages including in each result an evaluation will be carried out, carried out sequentially or systematically, and is more focused in carrying out risk analysis from each stage. Has a function in development to make changes, additions and developments by determining accuracy and speed based on needs. In its implementation the spiral model has been carried out in various fields, but the results of the implementation are not yet known in what scope and how many implementations each year. This study aims to identify the results of the implementation of the spiral model development with data obtained from related papers in the 2012-2022 range. The method used in this study is the Systematic Literature Review (SLR) with the aim of identifying, reviewing, evaluating, and concluding all research on each relevant paper. The results showed that the spiral model development was mostly implemented in software development with a total of 19 papers and in the education sector as many as 17 papers, while the peak of the spiral model development was mostly implemented in 2016 and then increased again in 2021
Comparison of LSTM and GRU Models for Forex Prediction Pahlevi, Mohammad Rezza; Kusrini, Kusrini; Hidayat, Tonny
Sinkron : jurnal dan penelitian teknik informatika Vol. 7 No. 4 (2023): Article Research Volume 7 Issue 4, October 2023
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v8i4.12709

Abstract

Trading foreign currencies worth trillions of dollars takes place daily in the forex market, characterized by highly volatile movements. The forex market operates on bid and ask prices, with exchange rates determined by the principles of supply and demand. Trading involves currency pairs like EUR/USD, where the value of the Euro is compared to the US Dollar, serving as a basis for analyzing price fluctuations. Due to the volatile nature of forex, market participants must make informed decisions when buying and selling, as improper choices can result in financial losses. One approach to mitigating risk in forex trading decisions is through the use of forecasting techniques. This research study employs LSTM and GRU methods to predict forex trends, which are evaluated using various dataset divisions. The most accurate results are obtained using a dataset of 4979, split into three equal parts: 80% for training, 10% for validation, and 10% for testing. This approach yields an RMSE value of 0.054, MAPE of 0.037, and R-square of 97%
Understanding of Requirements Engineering using The Three Dimensions of Requirements Engineering Method in Platform Development Sari, Risna; Anggi Muhammad Rifa'i; Muhammad Salimy Ahsan; M Ilham Arief; Mohammad Rezza Pahlevi
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.218

Abstract

Requirements engineering is a critical activity in a development system project, the increasing need for complexity of software development and the heterogeneity of stakeholders in motivating the development of methods and the need to evaluate the engineering requirements needed and aim to lead to a large scale. This study presents a paper in an empirical form that aims to identify and understand the characteristics of the advantages and limitations of the developed platform so that we can know the challenges that will be faced, such as expectations and input from experts for the development of the platform that we develop so that it can be in accordance with what users expect. We conducted this research with the aim of understanding the engineering requirements in the research we developed by utilizing the three dimensions of the requirements engineering method, which consists of requirement elicitation, requirement specification, and requirement validation and verification. The research we conducted managed to understand the stages of needs engineering by producing many documents that help the platform development process. We get the most important UI value from attractiveness, clarity, efficiency, accuracy, stimulation, and novelty, which is 63.2% with a very interest rating, 55.6 with a very interest rating, 57.9% with a very interest rating, 44.4% with a balanced rating between interesting and very interest, 52.6% with an interesting rating, 42.1% with a very interesting rating. We get product values consisting of attractiveness, clarity, efficiency, accuracy, stimulation, and novelty, namely 68.4% with a very interest rating, 52.6% with an interest ng rating, 52.6% with a very interest rating, 47.4% with a balanced rating between interesting and very interest, 47.4% with a balanced rating between interesting and very interest, 47.4% with a balanced rating between interesting and very interest
Prediksi Harga Forex Menggunakan Algoritma Long Short-Term Memory Pahlevi, Mohammad Rezza Pahlevi; Pahlevi, Mohammad Rezza
JNANALOKA Vol. 04 No. 02 September Tahun 2023
Publisher : Lentera Dua Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36802/jnanaloka.2022.v3-no2-69-76

Abstract

Trillions of dollars per day of foreign currency trading activity occur in the forex market, which has very volatile movements in foreign currency trading. Trade based on bid and ask prices. The market determines foreign exchange rates based on supply and demand rules. Currency trading in pairs such as EUR/USD is a comparison of the value of the Euro against the Dollar as a basis for research, rising and falling currency prices in forex move fluctuatingly, so a market participant must be able to decide on buying and selling positions. Because wrong decisions can lead to losses. One of the ways to reduce risk in making decisions in buying and selling in forex can be using forecasting. This study uses the LSTM method in predicting forex prices which will be tested on several scales of dataset distribution. The smallest error results using a total dataset of 2631 with a dataset division of 70:15:15, which is divided into 70% data for training, 15% data for validation and 15% data for testing produces an RMSE value of 0.038, MAPE 2.5%. In measuring how well the regression model used with Rsquare on the data distribution is 70:15:15 and the total dataset used is 4979 to get the best results, namely 97%.
Perancangan Design UI/UX Aplikasi Fyostore Untuk TopUp Roblox Berbasis Android Jabbar, Muhammad Sidiq Abdul; Pahlevi, Mohammad Rezza
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 1 (2026): Februari - April
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i1.6536

Abstract

Perkembangan industri game digital di Indonesia mengalami peningkatan yang signifikan seiring dengan tingginya minat masyarakat terhadap platform permainan daring, salah satunya Roblox. Popularitas tersebut turut mendorong kebutuhan akan layanan top-up Robux yang cepat, aman, dan mudah digunakan. Namun, berbagai aplikasi top-up yang tersedia saat ini masih menunjukkan keterbatasan pada aspek User Interface (UI) dan User Experience (UX), sehingga berdampak pada rendahnya kenyamanan, kemudahan penggunaan, serta tingkat kepercayaan pengguna. Berdasarkan permasalahan tersebut, penelitian ini bertujuan untuk merancang antarmuka dan pengalaman pengguna aplikasi Fyostore sebagai aplikasi top-up Roblox berbasis Android dengan pendekatan Design Thinking. Penelitian ini menggunakan metode kualitatif deskriptif yang berfokus pada eksplorasi kebutuhan, persepsi, dan pengalaman pengguna dalam proses top-up Robux. Proses perancangan dilakukan melalui lima tahapan Design Thinking, yaitu empathize untuk memahami pengguna, define untuk merumuskan permasalahan utama, ideate untuk menghasilkan solusi desain, prototype untuk membuat rancangan awal aplikasi, serta test untuk mengevaluasi hasil desain. Teknik pengumpulan data meliputi observasi terhadap penggunaan aplikasi, pengembangan prototipe UI/UX, serta pengujian desain melalui kuesioner yang diberikan kepada pengguna. Hasil penelitian menunjukkan bahwa rancangan UI/UX aplikasi Fyostore mampu menyajikan alur transaksi yang lebih sistematis, navigasi yang intuitif, serta tampilan antarmuka yang mudah dipahami. Desain yang dihasilkan juga meningkatkan tingkat kenyamanan dan kepuasan pengguna, khususnya bagi pengguna pemula. Dengan demikian, penerapan metode Design Thinking dinilai efektif dalam menghasilkan rancangan UI/UX aplikasi top-up game yang berorientasi pada kebutuhan pengguna dan sesuai dengan karakteristik perangkat Android.
Co-Authors Anggi Muhammad Rifa'i Jabbar, Muhammad Sidiq Abdul Kusrini, Kusrini M. Ilham Arief Muhammad Salimy Ahsan Muhammad Salimy Ahsan Pahlevi, Mohammad Rezza Pahlevi Risna Sari Sari, Risna TONNY HIDAYAT