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All Journal Jurnal Ilmiah Dinamika Rekayasa (DINAREK) JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jiko (Jurnal Informatika dan komputer) Jurnal Teknologi Sistem Informasi dan Aplikasi International Journal of Natural Science and Engineering Jurnal Informatika JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) CCIT (Creative Communication and Innovative Technology) Journal Jurnal Mantik Syntax Idea Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Aiti: Jurnal Teknologi Informasi Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Teknologi Informatika dan Komputer Jurnal Teknologi Informasi dan Komunikasi Jurnal Indonesia : Manajemen Informatika dan Komunikasi International Journal Software Engineering and Computer Science (IJSECS) Riset Akuntansi (RISTANSI) Jurnal Informatika Dan Tekonologi Komputer (JITEK) Jurnal Pendidikan Teknologi Informasi (JUKANTI) Jurnal Indonesia : Manajemen Informatika dan Komunikasi Journal of Economic Research Jurnal Informatika Dan Tekonologi Komputer
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Universitas Kristen Satya Wacana
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IMPLEMENTASI BARCODE PADA APLIKASI SISTEM INFORMASI MANAJEMEN GUDANG BERBASIS DESKTOP Zega, Theoputra Berkat; Suprihadi, Suprihadi
JURNAL TEKNOLOGI INFORMASI DAN KOMUNIKASI Vol. 16 No. 2 (2025): September
Publisher : UNIVERSITAS STEKOM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/jtikp.v16i2.1254

Abstract

The rapid development of information technology has significantly influenced warehouse management, particularly in enhancing operational effectiveness and efficiency. Equal Billiard as provider of billiard equipment and facilities, faces challenges in inventory management due to manual recording processes, such as data errors, data loss and delay in item tracking. This study aims to design, implement and evaluate a desktop-based warehouse management information system integrated with barcode technology. The research employs The Research and Development (R&D) method, consisting of needs analysis, system design, development, implementation and evaluation stages. The system was developed using Python programming language and SQLite database. The results indicate that the implementation of barcodes improves recording accuracy, accelerates data entry and facilitates the identification of incoming and outgoing items. Field evaluation shows that the system helps staff minimize human error and produce faster, more accurate inventory reports. In conclusion, the barcode-based warehouse management information system successfully enhances the effectiveness of inventory management at Equal Billiard. Future improvements may include integration with web or mobile-based platforms and the adoption of cloud database to support data flexibility and security.
Otomatisasi Pengujian Perangkat Lunak Menggunakan Telenium pada Aplikasi Berbasis Kivy Framework Utomo, Alim Budhi; Suprihadi, Suprihadi
Jurnal Teknologi Sistem Informasi dan Aplikasi Vol. 6 No. 3 (2023): Jurnal Teknologi Sistem Informasi dan Aplikasi
Publisher : Program Studi Teknik Informatika Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

PT XYZ is a retail company that uses POS (Point of Sales) application in each of its stores to record transactions, automatic calculations, and print receipts. PT XYZ has millions of transactions every day, therefore system testing is needed to ensure that the POS application is running properly. When testing is done manually, there are often various problems such as inaccurate results due to limited human resources to a lot of time consuming because it is done repeatedly. To overcome these problems, test automation is made using Telenium which is integrated with Jenkins. This research was conducted based on the black box testing method. Input in the system in the form of a test scenario is then executed and the results will be sent via email. During testing, if an error occurs, the location of the error will be displayed in detail and sent via email by Jenkins. The results show that the application of Telenium in testing Kivy-based applications facilitates the testing process and accelerates the discovery of errors in the system so as to improve the quality of applications with a more efficient approach.
SISTEM INFORMASI MANAJEMEN ARSIP SURAT GMKI CABANG SALATIGA BERBASIS WEB DENGAN FRAMEWORK LARAVEL Elyan Mesakh Kowi; Suprihadi Suprihadi
Jurnal Informatika Dan Tekonologi Komputer (JITEK) Vol. 2 No. 3 (2022): November : Jurnal Informatika dan Teknologi Komputer
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jitek.v2i3.721

Abstract

The Indonesian Christian Student Movement (GMKI) is a student organization that was founded on February 9, 1950. GMKI has approximately 90 branches spread throughout the country, including in Salatiga City. As one of the branches, GMKI Salatiga Branch refers to the Internal Working Mechanism (MKI) as a policy document that regulates correspondence procedures within the organization. In its application, the correspondence mechanism is still carried out in a conventional way and has not utilized technology optimally. This study aims to produce a web-based mail archive management information system with the Laravel framework. The author uses a qualitative descriptive approach in writing. The design method in this study uses the prototype method. Then, for testing the system the author uses the black box testing method. The construction of this web-based information system can make it easier for the Branch Management Board (BPC) of GMKI Salatiga Branch in the process of making template letters and digitally filing letters from anywhere as long as they are connected to the internet.
Sentiment Analysis on X, TikTok, and Instagram on Indonesian Capital relocation using Support Vector Machine Jayanto, Syawalian Rais Dwi; Suprihadi, Suprihadi
Journal of Information System Research (JOSH) Vol 7 No 2 (2026): January 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/josh.v7i2.8839

Abstract

This study examines public sentiment toward Indonesia’s new capital city, Ibu Kota Nusantara (IKN), across three major social media platforms: X, TikTok, and Instagram. The research aims to identify how public perceptions differ across platforms and to understand their implications for policy communication. A total of approximately 6,000 user comments collected up to March 2025 were processed through standard text-mining procedures, including cleaning, tokenization, stop-word removal, and stemming. The text data were converted into numerical features using the Term Frequency–Inverse Document Frequency (TF-IDF) technique and classified using a linear Support Vector Machine (SVM) model. Model evaluation with a 20% hold-out test set yielded an accuracy of 90.23% and a macro F1-score of 0.8905. The analysis shows that overall sentiment toward IKN is predominantly positive, with Instagram and TikTok generating more supportive narratives, while X displays a higher concentration of critical or negative comments. These findings highlight significant platform-specific differences that can inform more effective public communication strategies regarding the IKN project.
Pengaruh Label Halal Terhadap Keputusan Pembelian Produk Tahu Bulat Amanah Di Gondanglegi Agus Wicahyono; Asib, Asib Dwi Kuryanto; Salam, Abdus Salam; Kemala, Kemala Hasnah; Suprihadi, Suprihadi
Journal Of Economic Research Vol. 2 No. 1: Januari 2026
Publisher : CV ULIL ALBAB CORP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/joer.v2i1.39

Abstract

Penelitian ini bertujuan untuk mengetahui serta menganalisis pengaruh label halal terhadap keputusan pembelian produk Tahu Bulat Amanah di Gondanglegi. Jenis penelitian yang digunakan adalah penelitian deskriptif dengan pendekatan kuantitatif. Populasi dalam penelitian ini adalah konsumen yang membeli produk Tahu Bulat Amanah di wilayah Gondanglegi. Instrumen penelitian berupa kuesioner yang telah diuji validitasnya menggunakan uji Pearson Correlation dan diuji reliabilitasnya dengan koefisien Cronbach’s Alpha. Analisis data dilakukan dengan metode regresi linier sederhana, menggunakan data primer yang diolah melalui program Statistical Package for the Social Sciences (SPSS) versi 21. Hasil analisis menunjukkan bahwa label halal memiliki pengaruh positif terhadap keputusan pembelian produk Tahu Bulat Amanah di Gondanglegi. Hal ini dibuktikan melalui hasil uji koefisien determinasi (R²) sebesar 0,249, yang berarti bahwa variabel label halal memberikan kontribusi sebesar 24,9% terhadap keputusan pembelian, sedangkan 75,1% sisanya dipengaruhi oleh variabel lain di luar penelitian ini. Selain itu, hasil uji t menunjukkan bahwa nilai t hitung (4,389) lebih besar daripada t tabel (2,001) dengan derajat kebebasan (df = 60–2). Dengan demikian, dapat disimpulkan bahwa terdapat pengaruh positif dan signifikan antara label halal dan keputusan pembelian produk Tahu Bulat Amanah di Gondanglegi. Temuan ini mengindikasikan bahwa keberadaan label halal dapat memengaruhi keputusan pembelian konsumen, meskipun terdapat faktor-faktor lain di luar penelitian ini yang juga berpotensi memberikan pengaruh terhadap keputusan pembelian.
ANALISIS PENERAPAN METODE ACTIVITY BASED COSTING DALAM PENENTUAN HARGA POKOK PRODUKSI Suprihadi, Suprihadi; Oktaviana, Tria
RISTANSI: Riset Akuntansi Vol. 6 No. 2 (2025): RISTANSI: Riset Akuntansi, Volume 6, Nomor 2, Desember 2025
Publisher : Program Studi Akuntansi Institut Teknologi dan Bisnis Asia Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32815/ristansi.v6i2.2691

Abstract

This study is a case study conducted at Pia AE Jaya Factory in Batu City, aiming to calculate the cost of production using the Activity-Based Costing (ABC) method and to analyze its differences from the traditional method. The background of this research lies in the fact that many small enterprises still apply the traditional method in allocating overhead costs, which relies on a single cost driver and often leads to cost distortions such as under costing or overcosting. This study employs a quantitative descriptive approach, with data obtained through observation and documentation. The cost drivers used in the ABC method include machine hours, number of setups, and number of production batches. The results show that the traditional method produces a lower cost of production compared to the ABC method because it only uses one cost driver. In contrast, the ABC method provides more accurate calculations by allocating costs based on activities and relevant cost drivers. Therefore, the ABC method helps the company determine a more precise cost of production and selling price, thereby maximizing profit.
Penerapan Algoritma Simple Additive Weighting Sistem Pendukung Keputusan Seleksi Penjurusan di SMKN 1 Kota Salatiga Jonathan Mario Dwi Priyadi; Suprihadi
Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Vol 9 No 1 (2025): JANUARI-MARET 2025
Publisher : Lembaga Otonom Lembaga Informasi dan Riset Indonesia (KITA INFO dan RISET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jtik.v9i1.2587

Abstract

The admission of new students (PPDB) involves a selection process that must be conducted quickly and accurately for incoming students. SMKN 1 Salatiga anticipates that, during the registration process, participants in the selection may exceed the school-provided quota (capacity). Additionally, SMKN 1 Salatiga has limited expert staff to operate mathematical calculation formulas for optimally determining final decision outcomes. This research employs empirical methods or field research, analyzed using the Simple Additive Weighting (SAW) method. This method aims to expedite the process of determining selection results, enabling faster outcomes for students who pass or fail. The results of this study indicate that the SAW method effectively reduces the screening time for students declared as Passed or Failed during the selection process at SMKN 1 Salatiga.
ANALISIS TINJAUAN PENGARUH PRODUK UNGGULAN TERHADAP KEPUTUSAN PELANGGAN PADA Q OPTIC SALATIGA Ginting, William Sayna Toto; Suprihadi, Suprihadi
JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Vol 11, No 1 (2026)
Publisher : STKIP PGRI Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29100/jipi.v11i1.7485

Abstract

Dalam menghadapi persaingan bisnis yang semakin ketat, pemahaman mendalam terhadap faktor-faktor yang memengaruhi keputusan pembelian konsumen menjadi penting bagi perusahaan. Penelitian ini bertujuan untuk menganalisis pengaruh produk unggulan seperti Elite Design, Eye Contacts, Memphis, dan Gentle Monster terhadap keputusan pembelian di Q Optic Salatiga. Metode kuantitatif dengan metode survei digunakan, dan data dianalisis menggunakan SPSS IBM. Hasil penelitian menunjukkan bahwa semua atribut yang diuji memiliki validitas yang baik terhadap keputusan pembelian. Pengaruh gabungan keempat variabel tersebut terhadap keputusan pembelian mencapai 62,4%. Variabel Memphis menunjukkan pengaruh yang signifikan, sementara variabel Elite Design dan Eye Contact tidak signifikan secara statistik. Variabel Gentle Monster menunjukkan pengaruh positif namun tidak signifikan pada tingkat kepercayaan 95%. Kesimpulannya, variabel Memphis memiliki pengaruh yang signifikan terhadap keputusan pembelian, sementara variabel lainnya tidak signifikan secara statistik. Penelitian ini memberikan pemahaman mendalam bagi Q Optic Salatiga dalam merancang strategi pemasaran yang efektif dan responsif terhadap kebutuhan konsumen.
Analisis penerapan pembelajaran TPACK menggunakan metode Random Forest pada SMK Negeri 5 Sarmi di Bonggo Aprilia Aprilia; Suprihadi Suprihadi
AITI Vol 23 No 2 (2026)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/aiti.v23i2.176-189

Abstract

Modern education emphasizes the integration of knowledge, skills, attitudes, and mastery of Information and Communication Technology (ICT). One popular technology-based learning model is Technological Pedagogical Content Knowledge (TPACK), which synergizes technological, pedagogical, and content knowledge. This study analyzes TPACK implementation at SMK Negeri 5 Agribusiness and Agrotechnology Sarmi using random forest classification. Data collection involved questionnaires distributed to students and teachers, with responses categorized into five comprehension levels: “Very Good”, “Good”, “Fair”, “Poor”, and “Very Poor”. The dataset was split into 80:20 training-test ratios. After training the random forest model, performance was evaluated using standard metrics and a confusion matrix. Additionally, a feature importance analysis was conducted to identify the most influential components in the model. Results showed 96% classification accuracy, with Technological Content Knowledge (TCK) emerging as the most significant factor. Pedagogical Content Knowledge (PCK), Content Knowledge (CK), and Technological Pedagogical Content Knowledge (TPACK) themselves had the lowest importance scores, indicating that these components require prioritization for optimal technology-enhanced learning development at SMK Negeri 5 Agribusiness and Agrotechnology Sarmi.
Layered Security Model for JWT-Based Authentication and Authorization in Golang Echo REST APIs Giovanni Ekayuda; Suprihadi Suprihadi
International Journal Software Engineering and Computer Science (IJSECS) Vol. 6 No. 1 (2026): APRIL 2026
Publisher : Lembaga Otonom Lembaga Informasi dan Riset Indonesia (KITA INFO dan RISET) - Lembaga KITA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijsecs.v6i1.6692

Abstract

Microservices architecture improves scalability and flexibility in modern distributed systems, yet it simultaneously widens the attack surface through decentralized service communication. Many existing implementations rely primarily on token validation without structured service-level authorization enforcement, leaving systems exposed to privilege escalation vulnerabilities. This study designed and evaluated a layered security model for a RESTful Application Programming Interface built with the Go Echo framework. The proposed approach combines JSON Web Token authentication using asymmetric cryptography with a token versioning mechanism, and pairs Role-Based Access Control with Attribute-Based Access Control within a sequential middleware pipeline. The methodology covered system architecture design, middleware implementation, structured security testing, and response time analysis. All simulated unauthorized access scenarios — including vertical and horizontal privilege escalation attempts — were successfully blocked. The average response time under the fully secured configuration measured 24.9 ms, indicating that the overhead introduced by the layered middleware remains practically acceptable. These findings suggest that separating authentication and authorization at the service level produces measurable security gains without meaningfully degrading system performance in microservices-based REST API applications.
Co-Authors Agus Wicahyono Agustinus Fritz Wijaya Alliong Kurniawan Anthonio Stefanus Aprilia Aprilia Arnoldus, Arnoldus Asib Dwi Kuryanto Billy Gerardhy Lainsamputty Birmanti Setia Utami Dikky Wahyudi Elyan Mesakh Kowi Fransiskus Ariyanto Ginting, William Sayna Toto Giovanni Ekayuda Gowell, Kent Hasanah, Kemala Hindarto, Jehosaphat Adelar Jayanto, Syawalian Rais Dwi Jonathan Mario Dwi Priyadi Jonathan, Ricky Kawi, R. Gibranto Kores Enrrique Igglacious Bonsapia Kurniawan, Alliong Leonardo Ade Pradana Putra Lina Sinatra Wijaya Narwastu Jati Grasias Nikolaus Triwindi Arvianto Nugroho, Ardra Maulana Adwitiya Oktaviana, Tria Pradana Putra, Leonardo Ade Prasetyo, Landhung Budhi Priyadi, Jonathan Mario Dwi Putra, Dewa Asmara Radius Tanone Rama Aufadha Risqullah Ramos Somya Rendra Bagus Setiawan Richard Gordon Mayopu Rini Kartika Hudiono Rudy Latuperissa Salam, Abdus Salam Siswahyudianto Triwindi Arvianto, Nikolaus Utomo, Alim Budhi Wahyudi, Dikky Yehezkiel Adi Surya Pratama Yonsi Rendra Hanggawan Zega, Theoputra Berkat