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All Journal Jurnal Matematika dan Statistika serta Aplikasinya (Jurnal MSA) INTECOMS: Journal of Information Technology and Computer Science Compiler ILKOMNIKA: Journal of Computer Science and Applied Informatics JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) JUKI : Jurnal Komputer dan Informatika Journal of Applied Data Sciences Djtechno: Jurnal Teknologi Informasi International Journal Software Engineering and Computer Science (IJSECS) Jurnal Informatika Teknologi dan Sains (Jinteks) Jurnal Indonesia Sosial Teknologi SISFOTENIKA
Utami, Wahyu Sri
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Social Sciences

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Solar System Education Application Using Markerless Augmented Reality (AR) on The Android Platform Harchristanto, Bagas Afrian; Utami, Wahyu Sri
International Journal Software Engineering and Computer Science (IJSECS) Vol. 3 No. 3 (2023): DECEMBER 2023
Publisher : Lembaga Komunitas Informasi Teknologi Aceh (KITA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijsecs.v3i3.1844

Abstract

The solar system, a small component of the vast universe, encompasses celestial bodies including the Sun, its planets - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune - along with 165 identified satellites. Many students find solar system studies engaging, as it enables understanding of the myriad celestial objects beyond our planet. Traditional learning methods, often limited to explanations and exercises by instructors, require students to be attentive and diligent in reading to master the subject. However, this can sometimes lead to monotony and disinterest. Previous research indicates that the use of educational media is a key factor in successful learning activities. Technology-based education systems make learning more dynamic and interesting by incorporating images, text, sound, and video. Augmented Reality (AR), which merges real objects with virtual elements in an interactive environment, allows virtual technology to appear seamlessly in the real world. This creates an illusion of virtual objects being present in front of the user, enhancing realism. Recent studies have resulted in the development of an AR application for learning and understanding the Milky Way galaxy's solar system. This application addresses the lack of comprehension in primary school students who traditionally use globes and pictures for solar system education. It operates without the internet, modernizing learning and capturing students' interest through its Android application format. The application functions optimally on Android devices with a minimum of 3GB RAM, performing more efficiently on devices exceeding these specifications.
INVENTORY DAN TRANSPORTASI PADA JARINGAN BERKENDALA MENGGUNAKAN SIMULTANEOUS OPTIMIZATION METHOD Utami, Wahyu Sri
Jurnal MSA (Matematika dan Statistika serta Aplikasinya) Vol 5 No 1 (2017)
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (410.69 KB) | DOI: 10.24252/msa.v5i1.4478

Abstract

Perlakuan terhadap material mulai dari titik produksi (source) sampai sebagai produk di titik konsumsi (sink) jika tidak dikelola secara profesional biasanya akan memerlukan biaya yang relatif cukup tinggi bagi perusahaan. Hal ini merupakan masalah yang krusial untuk diselesaikan. Permasalahan yang ditimbulkan pada dasarnya adalah kombinasi dari permasalahan produksi, transportasi dan bagaimana menentukan order yang ekonomis. Secara tradisional tahap-tahap dalam pemrosesan material tersebut dioptimasi secara terpisah. Akan tetapi, semakin banyak titik sumber dan titik tujuan, maka tidak akan praktis lagi jika harus dioptimasi terpisah. Sehingga dalam penelitian ini digunakan metode optimasi simultan yang mengintegrasikan seluruh proses tersebut kedalam suatu bentuk model logistik yang tidak linear kemudian akan dioptimasi secara simultan. Fungsi objektifnya adalah meminimalkan total biaya inventory, produksi dan transportasi dengan kendala terbatasnya stok persediaan dan permintaan yang harus terpenuhi. Hasil yang diperoleh menunjukkan bahwa dengan menggunakan optimasi simultan, biaya yang dikeluarkan lebih rendah dibandingkan jika menggunakan metode optimasi secara tradisional.
RANCANGAN APLIKASI ANDROID UNTUK SISTEM PENJUALAN DI TOKO ROTI ASLI DENGAN METODE WATERFALL Firmansyah, Yuan Satria; Utami, Wahyu Sri
Jurnal Informatika Teknologi dan Sains (Jinteks) Vol 6 No 4 (2024): EDISI 22
Publisher : Program Studi Informatika Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51401/jinteks.v6i4.4865

Abstract

Asli Bakery, located in Yogyakarta, faces challenges in recording transactions and inventory that are still done manually. This recording system consumes a lot of time and has a high risk of errors. To improve efficiency and accuracy, this research aims to develop an Android-based sales application that allows real-time management of product data, transactions, and recaps. The method used in designing the system is Waterfall, which includes the stages of needs analysis, design, development, and testing. The results showed that this application speeds up the recording process and minimizes errors, allowing direct access to information for employees and shop owners. The implementation of this system shows the ability of Asli Bakery to adapt to information technology, strengthen its market position, and improve services to customers.
INOVASI PENGEMBANGAN APLIKASI PERPUSTAKAAN DIGITAL UNTUK OPTIMALISASI AKSES PENGETAHUAN DENGAN PENDEKATAN METODE WATERFALL Musyaffa, Muhammad Ahnaffaiz; Utami, Wahyu Sri
Jurnal Informatika Teknologi dan Sains (Jinteks) Vol 6 No 4 (2024): EDISI 22
Publisher : Program Studi Informatika Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51401/jinteks.v6i4.4870

Abstract

The Digital Library application is a response to the rapid development of information technology, with the aim of increasing information accessibility, supporting literacy, and strengthening digital library services. This research uses literature study methods to review relevant theories, online surveys to understand user needs, in-depth interviews to explore user experiences, and web analytics to monitor user interactions with the application. The results show that CRUD (Create, Read, Update, Delete) operations play an important role in content management, allowing administrators to add, access, update and delete content efficiently. The use of full-text, metadata-based, and filter search features accelerates content access for users. In addition, these operations maintain the quality of information and ensure a better user experience. Thus, the app can overcome the limitations of traditional libraries and contribute to the improvement of literacy and knowledge collaboration globally.
E-Library SMAK Frateran Maumere Berbasis Mobile Diaz, Ludgardis Amadea; Utami, Wahyu Sri
INTECOMS: Journal of Information Technology and Computer Science Vol 7 No 6 (2024): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/intecoms.v7i6.12759

Abstract

In this digital era, the need for fast and easy access to information is increasing, including in the world of libraries. The Android-based e-library is here as a solution to provide wider and more practical access for users to access various reading materials. The system is designed to provide a user-friendly platform, allowing users to search, borrow, and read a variety of e-books directly from their Android devices. With features such as advanced search, book recommendations, and integrated loan and return management, this e-library aims to improve the reading experience and efficiency in library management. It is hoped that the implementation of an Android-based e-library will not only facilitate access to information but also encourage interest in reading among the wider community, as well as support digital transformation in the library sector.
Optimalisasi Aplikasi Toko Bangunan Melalui Integrasi Rest Api Dan Whatsapp Gateway Listyanto, Tunggal; Utami, Wahyu Sri
INTECOMS: Journal of Information Technology and Computer Science Vol 7 No 6 (2024): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/intecoms.v7i6.12792

Abstract

Manajemen aplikasi toko bangunan menjadi tantangan kompleks karena kurangnya integrasi sistem internal, otomatisasi manajemen stok, dan konektivitas dengan konsumen. Tujuan penelitian ini adalah mengembangkan sistem berbasis Rest API untuk meningkatkan efisiensi operasional toko. Metode yang digunakan meliputi analisis kebutuhan sistem dan pengembangan REST API yang mengintegrasikan fungsi-fungsi utama seperti manajemen stok, pemesanan, pembayaran, dan pelacakan pengiriman. Hasil menunjukkan peningkatan efisiensi dalam manajemen stok, peningkatan konektivitas antara aplikasi dengan konsumen melalui integrasi e-commerce, serta peningkatan pengalaman konsumen dengan pelacakan pengiriman secara real-time. Simpulan yang diperoleh adalah sistem berbasis REST API mampu memberikan solusi efektif untuk meningkatkan efisiensi operasional toko bangunan.
Aplikasi Bursa Khusus Kerja (BKK) Berbasis Web dan Android Pada SMK Negeri 19 Jakarta Rayhan, Muhammad Nasywa; Utami, Wahyu Sri
INTECOMS: Journal of Information Technology and Computer Science Vol 7 No 6 (2024): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/intecoms.v7i6.12918

Abstract

Aplikasi Sistem Informasi Bursa Khusus Kerja merupakan upaya untuk meningkatkan efisiensi dan aksesibilitas dalam pencarian dan perekrutan tenaga kerja. Sistem ini bertujuan untuk menyediakan platform yang memungkinkan perusahaan untuk mengumumkan lowongan kerja dan calon pelamar untuk mencari secara online. Melalui integrasi teknologi informasi, sistem informasi BKK menyediakan berbagai fitur seperti pengumuman lowongan, mengisi data alumni. Dengan kolaborasi dengan institusi pendidikan dan penyediaan pelatihan dan pengembangan keterampilan, Sistem informasi BKK bertujuan untuk memperkuat hubungan antara dunia pendidikan dan industri serta meningkatkan kualitas tenaga kerja yang tersedia. Dengan demikian, perancangan Sistem informasi BKK diharapkan dapat memberikan kontribusi dalam mengurangi kesenjangan antara permintaan dan penawaran tenaga kerja, serta memfasilitasi pencapaian tujuan karier bagi individu yang mencari peluang kerja.
Pengembangan Aplikasi Pemantauan Stok Barang Menggunakan QR Code Secara Real-Time Tracking dengan Metode Prototype Berbasis Android Faaldiansyah, Reza; Utami, Wahyu Sri
ILKOMNIKA Vol 6 No 3 (2024): Volume 6, Nomor 3, Desember 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/ilkomnika.v6i3.682

Abstract

Saat ini, teknologi QR Code telah mengalami perkembangan pesat dan diakui sebagai salah satu solusi efisien dalam mempermudah proses pemantauan stok barang. Penelitian ini bertujuan untuk mengimplementasikan teknologi QR Code dalam sistem pemantauan stok barang yang memungkinkan real-time tracking, khususnya berbasis aplikasi Android. Dengan memanfaatkan aplikasi Android yang dilengkapi pemindai QR Code, pemilik toko dapat secara langsung melacak ketersediaan barang di gudang serta melakukan pembaruan stok secara otomatis. Fitur real-time tracking ini memberikan kemudahan kepada pengguna untuk melihat informasi terkini mengenai lokasi barang yang tersimpan di gudang, sehingga mempermudah pemilik toko dalam menemukan barang yang dibutuhkan. Aplikasi ini difokuskan untuk meningkatkan akurasi dan efisiensi dalam pengelolaan stok, serta mengurangi resiko keasalahan manusia dalam pendataan barang. Hasil dari implementasi teknologi ini menunjukkan bahwa penggunaan QR Code dan sistem real-time tracking dalam pemantauan stok dapat memberikan peningkatan signifikan dalam pencatatan data dan kemudahan akses informasi mengenai lokasi barang yang disimpan, memberikan kemudahan yang besar bagi pemilik toko dalam pengelolaan stok barang.
Osteoporosis Detection Using a Combination of Recursive Feature Elimination and Naive Bayes Classifier with Rule-Based Chatbot Testing Sela, Enny Itje; Rianto, Rianto; Anggara, Afwan; Utami, Wahyu Sri
Journal of Applied Data Sciences Vol 5, No 4: DECEMBER 2024
Publisher : Bright Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47738/jads.v5i4.409

Abstract

Osteoporosis is a condition characterized by reduced bone mass and density, increasing the risk of fractures. Early detection relies on patient awareness and proactive health management. Despite advances in technology, patient independence and awareness remain critical for early diagnosis. A rule-based chatbot tool can assist by helping patients screen their bone health. The chatbot provides automated recommendations, offering an alternative to traditional hospital visits. This study presents a rule-based chatbot designed to detect osteoporosis, using Recursive Feature Elimination (RFE) combined with the Naïve Bayes Classifier (NBC). Machine learning is integrated to enhance the chatbot's ability to identify early signs of osteoporosis. The model’s performance is compared to other feature selection methods, such as Principal Component Analysis (PCA), and machine learning algorithms like Deep Learning, Support Vector Machine (SVM), and Logistic Regression. The dataset used includes public data sets for training and validation, as well as data from the Yogyakarta Health Office for predictions. Research phases include normalization, data encoding, feature selection, training, validation, and prediction. The chatbot implements text preprocessing techniques, such as tokenization, stop word removal, and feature extraction, alongside normalization and encoding of numeric data. The prediction stage determines if the patient has a positive or negative osteoporosis status. Validation results show the RFE-NBC model is particularly effective for osteoporosis detection, offering a balanced performance in identifying both positive and negative cases. Additionally, this model served as the foundation for creating a rule-based chatbot designed to detect osteoporosis. Based on the set of testing metrics using chatbot, the model demonstrates strong overall performance, with a good balance between identifying positive and negative instances.
Sistem Informasi Pelayanan Masyarakat Menggunakan Metode Agile berbasis Mobile Meilino, Alwi; Utami, Wahyu Sri
Journal of Information System Research (JOSH) Vol 6 No 3 (2025): April 2025
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/josh.v6i3.7090

Abstract

Administrative services at the sub-district level often face obstacles, such as slow manual processes, long queues, and limited access to services. Conventional recording systems increase the risk of data errors and slow down the response to community needs. This study developed a mobile-based Public Service Information System with the Agile method to improve efficiency, transparency, and accessibility of services. This system allows residents to submit and track document status, access population information, and file complaints online through a mobile application. Key features include population data management, a digital queue system, and a performance monitoring dashboard. Development using an Agile approach allows for rapid iteration based on user feedback. Implementation was carried out in stages with staff training and outreach to the community. Evaluation results showed an increase in service efficiency with document processing times reduced by up to 40%. User satisfaction surveys showed that 85% of respondents felt that this system made it easier to access services and increased transparency. The main challenges include community digital literacy and technological infrastructure. With continuous improvement, this system is expected to become a model for other sub-districts in modernizing technology-based government administration.
Co-Authors Anggara, Afwan Diaz, Ludgardis Amadea Enny Itje Sela Faaldiansyah, Reza Firmansyah, Yuan Satria Harchristanto, Bagas Afrian Irawan, Amri Dika Listyanto, Tunggal Makhasin, Zaki Meilino, Alwi Musyaffa, Muhammad Ahnaffaiz Pranoto, Arfan Safut Rakhmawati, Abdillah Lailla Rayhan, Muhammad Nasywa Rianto Rianto Saputra, Davin Surya Situmorang, Swanto Yuli Asriningtias, Yuli