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All Journal Sistemasi: Jurnal Sistem Informasi Sinkron : Jurnal dan Penelitian Teknik Informatika RABIT: Jurnal Teknologi dan Sistem Informasi Univrab IKRA-ITH Informatika : Jurnal Komputer dan Informatika JURIKOM (Jurnal Riset Komputer) EDUMATIC: Jurnal Pendidikan Informatika Journal of Information Systems and Informatics Journal of Innovation and Future Technology (IFTECH) REMIK : Riset dan E-Jurnal Manajemen Informatika Komputer Jurnal Sistem Komputer dan Informatika (JSON) TIN: TERAPAN INFORMATIKA NUSANTARA Jurnal Teknik Informatika (JUTIF) INSERT: Information System and Emerging Technology Journal JOINTER : Journal of Informatics Engineering Journal La Multiapp Edutik : Jurnal Pendidikan Teknologi Informasi dan Komunikasi Indonesian Journal of Innovation Studies Ismart Edu: Jurnal Pendidikan Teknologi Informasi Jurnal Minfo Polgan (JMP) Jurnal Dinamika Informatika (JDI) Jurnal Locus Penelitian dan Pengabdian Prosiding Seminar Nasional Sisfotek (Sistem Informasi dan Teknologi Informasi) Jurnal Sains Informatika Terapan (JSIT) Journal of Artificial Intelligence and Digital Business Jurnal Ilmiah Teknik Informatika dan Komunikasi Innovative: Journal Of Social Science Research Jurnal Penelitian Teknologi Informasi dan Sains The Indonesian Journal of Computer Science semanTIK INOVTEK Polbeng - Seri Informatika Edutik : Jurnal Pendidikan Teknologi Informasi dan Komunikasi FIMERKOM: Journal of Information Systems and Technology Academia Open
Kristofel Santa
Universitas Negeri Manado
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Sistem Kontrol Kualitas Air Berbasis Internet of Things Menggunakan Metode Prototype di Desa Pinapalangkow Wowor, Hanna Elisabeth; Rantung, Vivi Peggie; Santa, Kristofel
Innovative: Journal Of Social Science Research Vol. 4 No. 3 (2024): Innovative: Journal Of Social Science Research (Special Issue)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i3.11661

Abstract

Kualitas air yang memadai sangat penting untuk kesehatan dan kesejahteraan masyarakat. Namun, masih ada tantangan dalam memastikan ketersediaan air bersih yang memadai, terutama di Indonesia. Penelitian ini bertujuan untuk mengatasi masalah tersebut dengan merancang dan mengimplementasikan sistem kontrol kualitas air berbasis Internet of Things (IoT) di Desa Pinapalangkow. Dengan menggunakan pendekatan IoT, sistem ini memungkinkan pengawasan dan kontrol kualitas air secara real-time dan otomatis. Komponen utama sistem mencakup sensor pH, Arduino UNO R3, Modul WiFi ESP8266-01, LCD, Buzzer, Relay 1 Channel 5 Volt, dan Pompa Air Mini 12 Volt. Hasil pengukuran dapat diakses melalui platform ThingSpeak pada Laptop/PC dan aplikasi ThingView pada smartphone Android. Penelitian ini menghasilkan sebuah prototipe yang berhasil dalam memberikan informasi mengenai kualitas air yang digunakan untuk keperluan sehari-hari dan membantu menormalisasi kadar pH air. Implementasi prototipe pada bak penampungan air memerlukan penyesuaian jumlah sensor berdasarkan luas permukaan dan jangkauan sensor untuk menghasilkan data yang akurat. Sistem ini diharapkan dapat memudahkan masyarakat dalam memantau dan mengontrol kualitas air yang digunakan, serta dapat memberikan kontribusi dalam meningkatkan kesadaran lingkungan dan kesehatan masyarakat. Kata Kunci: Desa Pinapalangkow, Internet of Things (IoT), Kontrol, Kualitas Air, ThingSpeak.
PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING PADA MATA PELAJARAN MULTIMEDIA DI SMK Kambey, Waraney Maurits; Santa, Kristofel; Togas, Peggy Veronika
Edutik : Jurnal Pendidikan Teknologi Informasi dan Komunikasi Vol. 1 No. 2 (2021): EduTIK : April 2021
Publisher : Jurusan PTIK Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/edutik.v1i2.2258

Abstract

Penelitian ini bertujuan untuk meningkatkan hasil belajar siswa setelah mengikuti proses pembelajaran dengan menggunakan model pembelajaran problem based learning. Penelitian ini dilaksanakan di SMK Negeri 2 Manado, pada semester ganjil tahun ajaran 2020/2021. Metode penelitian yang digunakan adalah Penelitian Tindakan Kelas (PTK) yang dilakukan sebanyak 2 siklus. Setiap siklus terdiri dari empat tahapan, yaitu perencanaan, tindakan, observasi dan refleksi. Subjek penelitian ini adalah siswa kelas X yang berjumlah 33 orang. Instrumen penelitian yang digunakan adalah tes hasil belajar yang berupa tes essay. Hasil penelitian ini menunjukkan bahwa model pembelajaran problem based learning dapat meningkatkan hasil belajar desain grafis. Dari 33 siswa, pencapaian KKM mengalami peningkatan yaitu rata-rata hasil belajar siswa pada siklus 1 sebesar 76% mengalami peningkatan pada siklus 2 menjadi 94% yang tuntas. Hal ini jelas menunjukkan bahwa hasil belajar siswa mengalami peningkatan dari siklus 1 ke siklus 2. Dengan demikian, siklus 2 sudah memenuhi indikator pencapaian hasil belajar siswa.
Aplikasi Permainan 2D Perang Tondano Berbasis Role Playing Game (RPG) Tular, Feonri; Moningkey, Efraim Ronald Stefanus; Santa, Kristofel
JOINTER : Journal of Informatics Engineering Vol 6 No 02 (2025): JOINTER : Journal of Informatics Engineering
Publisher : Program Studi Teknik Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/jointer.v6i02.357

Abstract

This research aims to develop a Role-Playing Game (RPG) that highlights the history of the Tondano War to enhance the understanding of young generations. The Game Development Life-Cycle (GDLC) method was employed, consisting of five stages: initiation, pre-production, production, testing, and release. Data collection involved literature review and observation, with the game tested through blackbox testing on Android and Windows platforms. The results show that the game successfully introduces the history of the Tondano War through interactive narratives presented in chapters of varying difficulty. The game also allows players to strategize in turn-based combat. In conclusion, this game is effective as an educational medium that enriches historical knowledge and offers an engaging experience for young players.
Polynomial Regression Budget Prediction for Minahasa Fire Department: Prediksi Anggaran Dinas Pemadam Kebakaran Kabupaten Minahasa Sondakh, Inggried Rillya; Santa, Kristofel; Moningkey, Efraim Ronald Stefanus
Indonesian Journal of Innovation Studies Vol. 27 No. 1 (2026): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v27i1.1861

Abstract

General Background: Public sector budget planning requires data-driven approaches to support service sustainability, particularly for emergency institutions such as regional fire departments. Specific Background: The Minahasa Regency Fire Department budget planning has relied on historical allocations that exhibit fluctuating and non-linear trends across expenditure categories. Knowledge Gap: Previous planning practices have not fully utilized non-linear statistical modeling to interpret historical budget dynamics and medium-term projections. Aims: This study aims to analyze historical budget trends and predict expenditure needs for the 2025–2027 period using a second-order polynomial regression model. Results: Using budget data from 2019–2024, the model successfully captured non-linear expenditure patterns, including a sharp increase in personnel and capital expenditures in 2024, with coefficients of determination of 0.448 for personnel expenditures and 0.409 for capital expenditures, while total projected expenditures approach IDR six billion by 2027. Novelty: This research integrates second-order polynomial regression with an interactive Streamlit-based application for visualizing and interpreting public sector budget projections. Implications: The findings provide an analytical basis for local governments to anticipate medium-term budget requirements, prioritize expenditures, and strengthen data-based financial planning for fire service operations. Highlights • Second-order polynomial modeling captures non-linear expenditure patterns across budget categories• Historical personnel expenditure spikes shape medium-term fiscal projections• Streamlit-based visualization supports data-driven public budget planning Keywords Polynomial Regression; Budget Prediction; Fire Department; Historical Data; Streamlit Application
Priority Queue Algorithm Enhances Public Report Handling Efficiency and Accountability: Algoritma Priority Queue Meningkatkan Efisiensi dan Akuntabilitas Penanganan Laporan Publik Detuage, Rivni; Santa, Kristofel; Moningkey, Efraim R. S.
Indonesian Journal of Innovation Studies Vol. 27 No. 1 (2026): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v27i1.1864

Abstract

The mechanism for handling public aspirations and reports in the Minahasa Regency Regional People's Representative Council (DPRD) still faces inefficiency and low accountability due to the manual process. The conventional First-In-First-Out (FIFO) system is unable to differentiate the urgency of reports, resulting in delayed follow-up of critical reports. This study designs and implements a web based Public Information Portal (PIP) that integrates a priority queue algorithm to automatically sort reports based on their urgency. The development method used is the Waterfall method. Test reults sgow significant performance improvements, marked by a recuation in waiting time for high priority reports by more than 50% and increased accuracy of handling based on urgency levels. This system also strengthens public accountability thorugh a real time status tracking feature. By offering a technical solution not found in previous research—namely an automatic prioritization mechanism specifically for managing aspirations within the DPRD—this study fills a research gap and makes a significant contribution to improving service quality and fulfilling the mandate of the Public Information Disclosure Law. Highlights• Priority queue mechanism reduces waiting time for high-priority reports by over 50%.• Automatic urgency-based sorting improves accuracy and responsiveness in report handling.• Real-time status tracking increases public accountability and transparency. KeywordsPublic Information Portal; Priority Queue Algorithm; Regional People's Representative Council; E-Government Transparency; Public Service Efficiency
Interactive Web Geographic Information System Mapping Fire Prone Areas Using Dijkstra Algorithm: Pemetaan Sistem Informasi Geografis Berbasis Web Interaktif Lokasi Rawan Kebakaran Menggunakan Algoritma Dijkstra Moningkey, Efraim R. S.; Ratu, Regina Gloria; Santa, Kristofel
Indonesian Journal of Innovation Studies Vol. 27 No. 1 (2026): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v27i1.1865

Abstract

General Background: Fire disasters pose serious risks to public safety, material assets, and environmental sustainability, requiring rapid access to accurate spatial information. Specific Background: In Minahasa Regency, fire-prone area mapping and fire-fighting resource records are still managed manually, limiting information dissemination and slowing emergency response. Knowledge Gap: Existing practices lack an integrated web-based GIS that combines spatial visualization with shortest route analysis for operational fire management. Aims: This study aims to design and develop an interactive web-based Geographic Information System to map fire-prone areas, fire station locations, and water sources while providing shortest route recommendations using the Dijkstra Algorithm. Results: The system was developed using the Waterfall model with PHP, MySQL, and Leaflet.js, and black box testing confirmed that spatial data management, interactive visualization, administrative boundary filtering, and shortest route calculations operated as intended. Novelty: The research introduces the integration of fire-prone area mapping, fire-fighting resource management, and Dijkstra-based route analysis supported by OSRM within a single web GIS platform for Minahasa Regency. Implications: The developed system supports faster spatial information access and decision-making in fire management by providing route and water source recommendations through an interactive GIS interface. Highlights• Manual fire mapping processes were replaced by a centralized web-based GIS platform• Shortest route calculations were generated through integrated Dijkstra and OSRM services• Spatial visualization supported administrative filtering and emergency decision support KeywordsGeographic Information System; Fire Prone Areas; Dijkstra Algorithm; Spatial Mapping; Shortest Route
Web-Based Priority Program Recommendation Using Collaborative Filtering: Rekomendasi Program Prioritas Berbasis Web Menggunakan Collaborative Filtering Pesik, Luisa Maria; Tinambunan, Medi Hermanto; Santa, Kristofel
Indonesian Journal of Innovation Studies Vol. 27 No. 1 (2026): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v27i1.1882

Abstract

General Background: Recess activities of regional legislative members function as a formal mechanism for collecting diverse public aspirations related to regional development programs. Specific Background: In Minahasa Regency, the determination of priority programs derived from recess activities has traditionally relied on manual procedures that are prone to subjectivity and inconsistency. Knowledge Gap: Despite extensive studies on collaborative filtering in various domains, its application for managing and prioritizing legislative recess programs within local government contexts remains limited. Aims: This study aims to design and implement a web-based priority program recommendation system for DPRD recess activities using an Item-Based Collaborative Filtering algorithm. Results: The system was developed using the Waterfall method and implemented with PHP and MySQL, incorporating modules for aspiration management, rating, authentication, and recommendation generation. Black box testing across core functionalities confirmed that the system operated according to specifications and supported structured priority ranking of programs. Novelty: The research introduces the application of Item-Based Collaborative Filtering to DPRD recess aspiration management, replacing a previously manual and subjective process. Implications: The proposed system provides a structured, transparent, and data-driven approach to supporting legislative decision-making in prioritizing public programs at the regional level. Highlights• The developed system organizes recess aspirations into measurable program priorities• Item-based recommendation logic supports consistent ranking of proposed programs• Web-based architecture enables structured management of legislative aspiration data KeywordsCollaborative Filtering; Recommendation System; DPRD Recess; Priority Program; Web-Based Application
Sistem Pendukung Keputusan Pemilihan Sepeda Motor Bekas Menggunakan Algoritma Analytical Hierarchy Process Muhammad Lukmansyah Sulaiman; Glenn Maramis; Kristofel Santa
REMIK: Riset dan E-Jurnal Manajemen Informatika Komputer Vol. 9 No. 3 (2025): Volume 9 Nomor 3 Agustus 2025
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/remik.v9i3.14970

Abstract

Banyak individu mengalami kendala finansial dalam membeli sepeda motor baru sehingga memilih motor bekas sebagai alternatif. Untuk membantu proses pemilihan yang tepat, dikembangkan Sistem Pendukung Keputusan (SPK) menggunakan metode prototype dan Analytical Hierarchy Process (AHP). Metode AHP digunakan karena mampu menyelesaikan pengambilan keputusan yang kompleks melalui pendekatan hierarki dan perbandingan berpasangan. Hasil perhitungan menunjukkan bahwa kriteria harga memiliki bobot tertinggi sebesar 40%, diikuti oleh kapasitas mesin sebesar 30%, dan tahun kendaraan sebesar 30%. Nilai Consistency Ratio (CR) berada di bawah 0,1, yang menandakan bahwa perbandingan antar kriteria bersifat konsisten. Evaluasi sistem menggunakan standar ISO 25010 menunjukkan bahwa SPK memenuhi aspek fungsionalitas, keandalan, dan kemudahan penggunaan, dengan tingkat kepuasan pengguna sebesar 83,3%. Dengan demikian, sistem yang dikembangkan terbukti layak dan efektif dalam membantu proses pengambilan keputusan pemilihan sepeda motor bekas.
Penerapan Algoritma Binary Search pada Aplikasi JDIH Universitas Negeri Manado Julio Tabea; Kristofel Santa; Alfiansyah Hasibuan
REMIK: Riset dan E-Jurnal Manajemen Informatika Komputer Vol. 10 No. 1 (2026): Volume 10 Nomor 1 Januari 2026
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/remik.v10i1.15620

Abstract

Universitas Negeri Manado (UNIMA) sebagai institusi pendidikan memiliki berbagai peraturan dan dokumen hukum yang mengatur tata tertib civitas akademika. Namun, ketiadaan wadah terpusat menyebabkan akses terhadap informasi hukum menjadi lambat dan tidak efisien. Penelitian ini bertujuan untuk membangun aplikasi Jaringan Dokumentasi dan Informasi Hukum (JDIH) berbasis web di lingkungan UNIMA guna memfasilitasi akses dokumen hukum yang transparan dan akurat sesuai Undang-Undang Nomor 14 Tahun 2008 tentang keterbukaan informasi publik. Metode pengembangan sistem yang digunakan adalah Prototyping, yang memungkinkan interaksi intensif antara pengembang dan pengguna dalam merancang antarmuka dan fitur. Fitur unggulan dalam sistem ini adalah kemampuan pencarian kata yang di dalam dokumen PDF. Fitur ini diimplementasikan menggunakan pustaka python PyPDF2 dan Pytesseract untuk ekstraksi teks dan algoritma Binary Search untuk proses pencarian data. Pemilihan Binary Search didasarkan pada keunggulannya dalam kecepatan pencarian pada data terurut dibandingkan Linear Search. Hasil penelitian ini adalah sebuah sistem JDIH yang mampu mempercepat proses pencarian dokumen hukum, meningkatkan efisiensi pengelolaan data, serta menjadi wadah dokumen hukum yang efektif bagi civitas akademika UNIMA.
IMPLEMENTASI METODE EXTREME PROGRAMMING PADA APLIKASI PELAYANAN PUBLIK KEWASPADAAN NASIONAL DAN PENANGANAN KONFLIK KESBANGPOL KOTA MANADO Kristofel Santa; Rafter Johanes Karouw
Journal of Innovation And Future Technology Vol. 7 No. 1 (2025): Vol 7 No 1 (Februari 2025): Journal of Innovation and Future Technology (IFTECH
Publisher : LPPM Unbaja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/iftech.v7i1.3647

Abstract

The development of information technology has had a significant impact on various aspects of life, including governance and public services. In this digital era, the use of information technology has rapidly increased, enabling the creation of good governance through transparency and accountability. In Manado City, the National Unity and Politics Agency (Kesbangpol) has a mission to provide fast, accurate, and friendly services to the community. However, limitations in human resources and manual archiving sistems have led to delays in issuing activity recommendation letters and difficulties in data management. To address these issues, it is necessary to develop the "Application for National Vigilance and Conflict Management Services at Kesbangpol Manado City." The method to be used in developing this application is Extreme programming (XP). The XP method is highly relevant as it focuses on team collaboration, rapid feedback, and iteration, allowing for adaptive and responsive software development that meets user needs. With this approach, the team can quickly respond to changes in requirements and improve features based on user input, ensuring that the resulting application is not only efficient but also aligned with user expectations. It is hoped that this application will enhance the efficiency of managing recommendation letters and simplify the monitoring and evaluation processes, thus enabling public services to be delivered in accordance with established standards.
Co-Authors Agnia Paputungan Agniya Algifahri Aldo Napu Alfiansyah Hasibuan Alfiansyah Hasibuan Amran Panjaitan Andi R. Widyastuti Archangela G. Repi Arif Tegar Elgifari Arbie Arsila Duaulu Athik Gelamona Atuna, Annisa Salsabilah Audy Aldrin Kenap Basilius Mario Vikranta Rahanubun Ben Shalom Manopo Chelsea Aprilia Tendean Chris Terok Christenia Tagah Cristy E. P. Bojoh Daeng, Mushendra Dani Orlando Daniel Riano Kaparang Della Deviani Harisondak Detuage, Rivni Djami Olii Efraim R. S. Moningkey Enjelita Radjakore Ezra Matthew Warouw Runturamby Fanuel Juventino Palandeng Ferdinan I. Sangkop Ferjenia Feybelia Filisia R. Terok Francesco Jeremy Topol Geralda Lucia Rumondor Gitarosalina Sibarani Gladly Caren Rorimpandey Glenn D. P. Maramis Gratia Whaitney Injili Dotulong Hanni Tompunu Harisondak, Della Deviani Imanuel Hiskia Wagey Inda, Inda Indi Rahayu Ningsi Inggried Rillya Sondakh Irene Realyta Halldy Trosi Tangkawarow Irwan Irwan Jessa V Komaling Jonathan Kowaas Joy C. Rampi Julio Tabea Kambey, Waraney Maurits Kevin Mclaren Pandoh Kezya Tjanahu Krina Crisila T. Mawuntu Lisa Menden Lorentza Claudia Rianti Peres Tawaa Maria Rina Rumengan Mario Trinto Risky Rettob Marthasya Chantika Putri Ranti Martina Lorensa Medi Hermanto Tinambunan Medi Hermanto Tinambunan Melati Roring Moningkey, Efraim Ronald Stefanus Muhammad Lukmansyah Sulaiman Nanda, Agus Estepen Nasib Marbun Nelsi Timang Olivia Kembuan Pagala, J. Rifaldo parabelem tinno dolf rompas Peggy Veronica Togas Pesik, Luisa Maria Preisya Yunita Toar Prillya Chrisanta Esthefania Kawuwung Qnardo Delon Pateh Quido Conferti Kainde Rafter Johanes Karouw Rahellea Joiby Onibala Ratu, Regina Gloria Ravila Putri Pangalila Reski Wahyuni Rikna Aresta Lahutung Romeo Fernando Mikhael Dendeng Rumayar, Eroldy Saknohsiwy, Lorida Julensa Holiba Semuel Fendy Ngalo Sinta Tumbo Sondakh, Inggried Rillya Sondy C. Kumajas Sondy C. Kumajas Sondy Campvid Kumajas Stevanus Kembuan Stiven Panambunan Syalomita Cinta Tendean, Chelsea Aprilia Tiara Pongmangatta Tinambunan, Medi Hermanto Tiwi, Heri Susan Tresya Veronika Deil Tular, Feonri Vivi Peggie Rantung Waraney Maurits Kambey Wayne Kemur Wilma Wijayanti Wowor, Hanna Elisabeth Yosita Rante Tando