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Administration is an activity that must be managed effectively to support public service quality, and one of the main keys to achieving a good administrative system is the utilization of information technology, which is currently developing rapidly. Administrative activities at the Wendewa Barat village hall are still carried out using conventional and ineffective methods, particularly in population data recording, which relies on manual bookkeeping. This approach is time-consuming, labor-intensive, prone to errors, and incurs higher operational costs. Therefore, an integrated system is needed to manage administrative activities more efficiently, accurately, and systematically. This research aims to develop a web-based population administration system to improve administrative performance at the Wendewa Barat village office. The system development employs the waterfall method, which consists of several stages, including requirements analysis, system design, implementation, system testing, and maintenance. The system is built using the PHP programming language with the CodeIgniter framework and utilizes a MySQL database for data management. Additionally, jQuery is applied in several system functions to enhance system interactivity, effectiveness, and user interface attractiveness.

Penelitian ini berfokus pada perancangan aplikasi E-Archive berbasis web yang mampu melakukan kategorisasi otomatis terhadap surat masuk dengan menerapkan metode klasifikasi K-Nearest Neighbor (KNN). Penelitian dilakukan di Balai Pelestarian Cagar Budaya Jawa Timur, yang masih menghadapi berbagai kendala dalam pengelolaan arsip secara manual, seperti kesulitan pencarian dokumen, keterlambatan distribusi informasi, serta risiko kehilangan data. Aplikasi dikembangkan dengan memanfaatkan PHP sebagai bahasa pemrograman dan MySQL sebagai basis data, menggunakan model pengembangan Waterfall untuk memastikan proses yang terstruktur mulai dari analisis kebutuhan, desain, implementasi, hingga pengujian. Pengujian sistem dilakukan dengan metode Black Box untuk memverifikasi bahwa seluruh fungsi berjalan sesuai spesifikasi. Proses klasifikasi melibatkan beberapa tahapan, termasuk text preprocessing (tokenisasi, penghapusan stopword, dan stemming), pembobotan menggunakan metode Term Frequency–Inverse Document Frequency (TF-IDF), serta pengukuran kesamaan dokumen dengan cosine similarity. Hasil eksperimen menunjukkan tingkat akurasi sebesar 80% dengan nilai K optimal pada 14, yang menegaskan efektivitas algoritma KNN dalam mengekstraksi dan mengategorikan jenis surat. Sistem E-Archive ini diharapkan dapat meningkatkan efisiensi pengelolaan arsip, mempercepat proses pencarian dokumen, serta mendukung digitalisasi administrasi di instansi pemerintah. Selain itu, penelitian ini memberikan kontribusi praktis dalam penerapan teknik klasifikasi teks pada bidang kearsipan, sekaligus menjadi landasan bagi pengembangan sistem serupa di organisasi lain yang membutuhkan pengelolaan dokumen secara modern dan terintegrasi.

This study aims to develop a web-based inventory information system to facilitate inventory data management and improve operational efficiency at Toko Anugerah Sticker. Currently, inventory management is still performed manually using paper, which complicates monitoring stock, recording incoming and outgoing items, and preparing reports accurately and promptly. To address these issues, the system was developed using the Waterfall method, consisting of five stages: requirement, design, implementation, verification, and maintenance. PHP was employed as the programming language for system development, while MySQL served as the database for storing inventory data. The system was tested using Blackbox testing to unsure that each function worked as expected. The result show that the web-based inventory information system successfully replaced the manual process, making inventory management more effective and efficient. It also enables real-time stock monitoring and generates reports faster and more accurately. The implementation of this system is expected to improve the quality of inventory data management at Toko Anugerah Sticker in the future.

This study analyzes and designs a dual-role web-based ordering information system to optimize order management at Sunrise Bakery. This SME currently faces inefficiencies due to manual recording. The system, developed using the SDLC Waterfall method with PHP and MySQL, serves two main actors: customers, who can order online, browse catalogs, track orders, and pay digitally; and administrators (admin, cashier, owner), who manage products, update stock, input in-store orders, generate daily/monthly sales reports, and manage user access. Black Box Testing confirms all core functions work correctly. The system successfully addresses manual process shortcomings by improving data accuracy and providing real-time monitoring for both customers and management. It offers a comprehensive digital solution to enhance operational efficiency and service quality. Limitations include the lack of integrated digital payment gateways and external messaging. Future development should incorporate payment gateways (e.g., OVO, GoPay), WhatsApp notifications, a mobile application, and predictive analytics for sales and stock forecasting.

CV KIA is a shop engaged in the field of computer sales and services, coming directly to make transactions and provide computer service information services. So there are obstacles that are quite time consuming and transportation costs for customers to find out information on goods, stock of goods, and the process of purchasing goods because customers have to come directly to the store. Product information on CV Kia cannot be updated in real time so that there is a delay in calculating stock of goods. The method used in this study is the prototype development method and is designed using UML. This system uses two programming languages, namely PHP. Implementation using the Xampp application, and MySQL. The results of this study are the design and creation of a web-based sales information system. The system that is built will also later facilitate the sales transaction process which can later reduce the level of competition with the outside market. This system displays information about product sales, and can carry out the sales transaction process so that customers do not need to come to the store to get information and make product purchases. The results of testing that has been carried out involving 10 Respondents that the conclusion of the quality of the feasibility of the software produced has a percentage of success with an average total of 100%.  Keywords: Sales, Prototype, PHP, Information Systems, Sublime Text

Penelitian ini bertujuan untuk mengimplementasikan sistem Supply Chain Management (SCM) dalam pengelolaan persediaan sembako di Toko Grosir Rohman guna meningkatkan efisiensi operasional dan mengatasi permasalahan kehabisan atau kelebihan stok. Metode penelitian yang digunakan adalah kualitatif dengan pendekatan studi kasus, melalui observasi, wawancara, dan dokumentasi. Sistem SCM yang dirancang berbasis website menggunakan PHP dan MySQL, dengan pemodelan UML untuk menganalisis kebutuhan dan perancangan sistem. Hasil dari implementasi sistem menunjukkan peningkatan akurasi data stok, efisiensi dalam proses pemesanan, serta tersedianya informasi real-time yang membantu pengambilan keputusan. Dengan sistem ini, Toko Grosir Rohman mampu mengelola persediaan sembako secara lebih optimal, meningkatkan kepuasan pelanggan, dan memperkuat daya saing usaha.

The advancement of information technology today has provided great benefits in the world of education. The construction of computer-based academic information system websites is part of the use of information technology. With information technology, it is possible for academic databases to be processed quickly and easily, so that in the presentation of the required academic information reports can be obtained precisely, quickly, and efficiently. SMP Negeri 2 Wewewa Utara already has sufficient information technology infrastructure, but it has not been used optimally in academic management. The school already has a computer lab and internet access, but academic data management is still carried out manually using a ledger and Microsoft Excel application. To address issues such as unintegrated student data, complex and time-consuming grade management processes, delivering academic information, and monitoring student learning progress, an academic information system is needed. The purpose of developing this system is to solve the problems contained in the previous system by creating an academic information system at SMP N 2 Wewewa Utara. With the implementation of the new system at SMP N 2 Wewewa Utara, the knowledge and skills of employees, teachers, and principals in the field of web-based academic information systems can be improved. In the development of the academic information system that will be included in the system, it includes information about students, subjects, student classes, classrooms, teachers, homeroom teachers, and student score reports. The software used is DBMS (Database Management System), while the data storage medium is MySQL and PHP as a Programming Language.

The attendance recording system at PLN ULP Tanjungbalai still relies on manual, paper-based methods, resulting in delays in data recap, reduced efficiency, and a high potential for recording errors. This condition affects the accuracy of employee attendance information, which is essential for administrative activities and managerial decision-making. Based on these issues, this practical work aims to design and develop a web-based e-attendance application as a solution to enhance efficiency, processing speed, and the accuracy of attendance recapitulation. The system was developed using PHP as the programming language and MySQL as the database management system, following several stages including requirement analysis, system design using UML, and implementation of a web-based user interface. The application provides essential features such as user login, daily attendance recording, employee data management, attendance notes (permission, sickness, etc.), and automatic attendance report generation. The system is designed for two types of users—Admin and Employees—each with specific access rights. The implementation results indicate that the e-attendance application significantly improves the efficiency of attendance administration at PLN ULP Tanjungbalai. Data collection and recapitulation become faster, more structured, and less prone to errors, while also enabling administrators to monitor employee attendance in real time. Therefore, this web-based e-attendance application serves as an effective solution to support operational activities and enhance the quality of employee attendance management.

Gastric disease is a common health problem that can disrupt daily activities if not properly treated. To aid the initial diagnosis process, this study developed a web-based expert system capable of diagnosing various types of gastric disease based on the symptoms experienced by the user. This system uses the Dempster-Shafer method to address uncertainty in decision-making by combining a number of pieces of evidence in the form of symptoms to determine the level of confidence in a disease. The system was developed using the PHP programming language and a MySQL database and designed for easy browser access. Testing demonstrated that the system was able to provide fairly accurate diagnostic results that closely approximated the results of consultations with medical professionals. This system is expected to become an initial solution for the public in quickly and independently recognizing symptoms of gastric disease.  

Toko Jahit SA’aminah is a business engaged in tailoring services and the sale of sewing supplies that still manages data manually using record books. This condition causes several problems, such as slow data recording, the risk of data loss or damage, difficulties in monitoring the status of tailoring work and inventory, as well as obstacles in preparing tailoring service and sales reports. This study aims to design and develop a web-based tailoring service and sales information system to optimize the effectiveness and efficiency of operational performance. The system development method used is the waterfall method, which includes the stages of requirements analysis, system design using UML (Use Case Diagram, Activity Diagram, and Class Diagram), implementation using the Laravel framework with the PHP programming language and MySQL database, as well as system testing using the Black Box Testing method. The results show that the developed system is able to facilitate the management of tailoring service and sales data, monitor the status of tailoring work, check the availability of sewing supplies, and accelerate the preparation of tailoring service and sales reports to be submitted to the owner of Toko Jahit SA’aminah.

The rapid development of information technology has encouraged organizations to implement computerized systems to improve document management efficiency and security. At PT Petrokimia Gresik, import document archiving was previously conducted using Google Drive and physical storage, which caused issues such as limited access control, risk of data loss, and slow document retrieval during audits. This study aims to design and develop a web-based Import Document Archiving Information System using the waterfall development method. The system was built using HTML, CSS, JavaScript, PHP, and MySQL. The results indicate that the system improves archiving efficiency, enhances data security, accelerates document search, and supports structured monitoring and validation processes.  

This research aims to design and build a letter archive information system at the KOFIPINDO Law Office to improve the effectiveness and efficiency of document management. The manual filing system that has been used so far poses various obstacles, such as search delays, the risk of losing documents, and low storage accuracy. To overcome these problems, this study applies the Waterfall System Development Life Cycle (SDLC) model in the process of designing and building the system. Web-based technologies used include PHP, HTML, CSS, Bootstrap, and MySQL. The results of the study show that the developed letter archive information system is able to simplify the process of storing, searching, and managing incoming and outgoing letters in a faster, structured, and safer manner. The implementation of this system not only improves administrative performance, but also strengthens accountability and supports the need for professional legal documentation within the KOFIPINDO Law Office. Thus, this web-based mail archive information system can be a strategic solution in modernizing legal document management.

As one of the graduation criteria at Nahdlatul Ulama University Lampung, student activity point management requires a reliable system. Currently, the manual mechanism implemented still encounters obstacles in the form of data inaccuracy and a lengthy verification process. This research aims to build a website-based Student Activity Point Information System to improve the quality of data management. Software development was carried out using the Waterfall model, starting from the analysis stage, design using UML, technical implementation (HTML, CSS, PHP, MySQL), to the functional testing stage. Through this system, students can submit activities online, while the administrator can validate and print point reports automatically. Based on the results of the Black Box test, all features in the system operate as designed. The presence of this system provides a more accurate and efficient solution, making it a credible support tool for the student affairs department. This system is expected to provide a more efficient and accurate solution in student activity point management, as well as support smooth administration and improve the quality of student affairs department services.

Sistem informasi keuangan berperan penting dalam mengelola keuangan gereja, sehingga bisa memantau aliran uang, struktur modal, serta hasil secara rutin. Gereja St. Simon Petrus Anaranda di Kecamatan Wewaria, Kabupaten Ende, sampai saat ini masih mencatat keuangan dengan cara manual.  Cara ini memiliki banyak kelemahan, antara lain risiko tinta memudar, potensi kesalahan pencatatan akibat banyaknya transaksi, data yang tidak terintegrasi, serta hasil perhitungan yang kurang akurat. Selain itu, metode manual memerlukan pencatatan dan pemeriksaan berulang sehingga berisiko kehilangan data dan menyulitkan pertanggungjawaban di masa depan. Penelitian ini bertujuan merancang dan mengembangkan Sistem Informasi Keuangan Gereja Katolik St. Simon Petrus Anaranda berbasis web sebagai solusi penyimpanan data keuangan yang lebih terstruktur, aman, dan terintegrasi. Sistem ini dibuat untuk mempercepat pelaporan keuangan, meningkatkan ketepatan pencatatan, serta mendukung keterbukaan dan kemudahan dalam pemantauan oleh pengurus gereja. Metode yang digunakan dalam penelitian ini adalah pendekatan kualitatif dengan penelitian lapangan untuk mendapatkan data yang sebenarnya sebagai landasan pengembangan sistem. Dalam pengembangan perangkat lunak, metode yang digunakan adalah waterfall dengan tahapan analisis, desain, pelaksanaan, dan implementasi. Sistem dibangun dengan menggunakan bahasa pemrograman PHP dan Database MySQL. Hasil pelaksanaan menunjukkan bahwa sistem mampu membantu pengelolaan keuangan gereja secara digital, terorganisir, dan profesional. Proses pencatatan dan pelaporan lebih efisien, transparan, minim kesalahan, serta mampu menghasilkan laporan yang siap dicetak dan dapat dipertanggungjawabkan kepada umat dan keuskupan.

Sistem informasi akademik adalah suatu sistem yang memberikan layanan informasi berupa data dengan pemanfaatan teknologi komputer. Sekolah yang bermutu memerlukan kemampuan dalam mengikuti perkembangan teknologi dan kemampuan mengakses serta menyajikan informasi sehingga dapat dipertanggung jawabkan dalam rangka meningkatkan kualitas pendidikan. SMPN 1 Wolowaru adalah salah satu instansi pendidikan yang beralamat di Jl. Melati Wolowaru. Permasalahan yang ditemukan ialah pengelolaan data guru, data mapel, data kelas, jadwal pelajaran, data siswa, absensi dan nilai siswa masih menggunakan sistem manual dan Microsoft Excel sehingga pengelolaan data-data tersebut bisa membutuh waktu lama, rentan terjadi kesalahan, kurang efektif dan efisien serta kurang transparan. Tujuan yang ingin dicapai adalah membuat aplikasi SIAKAD berbasis web pada SMPN 1 Wolowaru sehingga meningkatkan efisiensi dan efektifitas pengelolaan data yaitu otomatisasi proses, akurasi data, akses data cepat. Mempermudah akses informasi yaitu informasi terpusat dan transparansi. Perancangan dan pembuatan sistem menggunakan Metode Waterfall, bahasa pemograman PHP dan Database MySQL. Sistem Informasi Akademik Berbasis Web ini memudahkan pengguna yaitu tata usaha sebagai admin dan guru pada SMPN 1 Wolowaru dalam mengelola data akademik dengan akurat, cepat, tranparan, efektif dan efisien.   Kata Kunci: Sistem Informasi Akademik, SMPN 1 Wolowaru, Waterfall, PHP, Database MySQL.

The Wali Nagari Office of Simalidu continues to face challenges in disseminating information due to the lack of an official digital platform. Information is currently delivered manually via bulletin boards, limiting public access and reducing efficiency. This study aims to design and develop a website-based information system for the Wali Nagari Office of Simalidu to improve communication effectiveness between the local government and the community. The research applies the Waterfall method, starting from requirements analysis, system design, implementation, and system testing. The system was developed using the PHP programming language and MySQL database. The main features include a homepage, a village profile, news/information, activities, employee data, a message page, and a contact page. System testing was conducted using the Blackbox Testing method to ensure that all functions operate as expected. The results show that the website-based information system enables village officials to deliver information quickly, accurately, and effectively to the public. It also allows the community to easily access up-to-date information regarding activities, profiles, and services at the Wali Nagari Office of Simalidu. Thus, this system improves transparency, accountability, and the quality of public services.

Financial administration plays a crucial role in village-level governance, requiring transparency, accountability, and efficiency in the use of public funds. Currently, the Hameli Ate Village Office still relies on manual methods to manage its financial administration, including recording cash receipts and expenditures using notebooks and simple spreadsheets. This approach presents various issues, such as the risk of data loss, calculation errors, delays in report preparation, and difficulties in tracking and collecting financial transaction data. This study aims to develop a web-based financial administration information system to assist village officials in managing financial data more effectively, efficiently, and in an integrated manner. The methods applied include observation, interviews, and document collection to understand system requirements, while the system development process is implemented using the Waterfall model, which consists of the stages of analysis, design, implementation, testing, and maintenance. The system was built using the PHP programming language and a MySQL database and is designed to generate financial reports automatically and in real time. The testing results show that the system can handle income and expenditure data more quickly, accurately, and in a user-friendly manner. With the implementation of this information system, the financial administration process at the Hameli Ate Village Office becomes more transparent, accountable, and facilitates data-driven decision-making.

Sapi merupakan salah satu hewan ternak yang memiliki nilai ekonomi tinggi, namun rentan terhadap berbagai penyakit, khususnya penyakit pernapasan. Untuk mendukung proses diagnosis penyakit secara cepat dan akurat, diperlukan sistem pakar berbasis teknologi. Penelitian ini bertujuan untuk mengembangkan sistem pakar yang mampu mendiagnosis penyakit pernapasan pada sapi dengan menggunakan metode Naïve Bayes. Metode ini dipilih karena mampu mengolah data dengan pendekatan probabilistik yang efisien serta menghasilkan prediksi yang akurat meskipun dengan data terbatas. Sistem dirancang dalam bentuk aplikasi berbasis web menggunakan bahasa pemrograman PHP dan basis data MySQL. Data gejala dan penyakit diperoleh melalui wawancara dengan dokter hewan, mencakup 16 gejala dan 9 jenis penyakit pernapasan yang umum terjadi, kemudian digunakan sebagai data latih dalam proses klasifikasi. Sistem menerapkan perhitungan probabilitas melalui tahapan prior, likelihood, dan posterior untuk menghasilkan diagnosis yang paling mungkin. Pengujian dilakukan dengan membandingkan hasil diagnosa sistem dengan diagnosa pakar, dan evaluasi menunjukkan bahwa sistem mencapai tingkat akurasi sebesar 90%, yang membuktikan keandalannya dalam penerapan praktis. Selain memberikan hasil diagnosis berdasarkan gejala yang dipilih pengguna, sistem ini juga menampilkan deskripsi penyakit dan saran penanganan. Dengan adanya fitur tersebut, sistem pakar ini diharapkan dapat membantu peternak dalam mendeteksi penyakit pernapasan pada sapi lebih dini, mempercepat proses penanganan, mengurangi kerugian ekonomi, serta menjadi alat teknologi yang mudah diakses untuk mendukung praktik kedokteran hewan di wilayah pedesaan.

Penelitian ini bertujuan untuk mengembangkan sistem informasi Pejabat Pengelola Informasi dan Dokumentasi (PPID) pada Dinas Komunikasi, Informatika, dan Persandian Kabupaten Bungo guna meningkatkan efektivitas layanan informasi publik. Dalam pelaksanaannya, penelitian menggunakan metode pengembangan sistem waterfall dengan tahapan identifikasi masalah, analisis, perancangan, pengkodean, pengujian, dan implementasi. Sistem yang dikembangkan berbasis web dengan menggunakan PHP dan MySQL sebagai teknologi utama. Hasil penelitian menunjukkan bahwa sistem informasi PPID yang dirancang mampu memfasilitasi proses permohonan informasi, pengelolaan dokumen, serta pelayanan informasi publik secara cepat, tepat, dan transparan. Sistem ini dilengkapi fitur login, permohonan informasi, pengelolaan kategori dan dokumen, laporan, serta keberatan informasi, yang dapat diakses oleh admin maupun pengunjung. Melalui pengujian black box, sistem terbukti berjalan sesuai fungsinya. Dengan adanya sistem ini, diharapkan kualitas pelayanan informasi publik meningkat, partisipasi masyarakat terhadap keterbukaan informasi bertambah, serta kepercayaan publik terhadap pemerintah semakin kuat. Namun, sistem masih memiliki keterbatasan, khususnya dalam hal keamanan data. Oleh karena itu, pengembangan lebih lanjut disarankan untuk meningkatkan perlindungan terhadap data sensitif dan integritas informasi.

BUMDes Wue merupakan lembaga desa yang mengelola layanan air bersih untuk masyarakat Desa Wue, Kecamatan Wolomeze, Kabupaten Ngada. Proses administrasi pembayaran air yang masih dilakukan secara manual menyebabkan berbagai kendala, seperti risiko kehilangan data, keterlambatan pencatatan, serta ketidakefisienan dalam pelaporan. Penelitian ini bertujuan untuk merancang dan membangun sistem informasi administrasi pembayaran air berbasis web yang dapat digunakan oleh BUMDes Wue untuk mengelola data pelanggan, pembayaran, tagihan, dan laporan. Metode pengembangan sistem yang digunakan adalah Waterfall, yang terdiri dari tahapan analisis kebutuhan, desain sistem, implementasi, pengujian, dan pemeliharaan. Sistem ini dibangun menggunakan bahasa pemrograman PHP dan database MySQL, dengan antarmuka yang dirancang agar mudah digunakan oleh petugas BUMDes. Pengujian sistem dilakukan menggunakan metode Black Box Testing dan menunjukkan bahwa seluruh fungsi sistem berjalan sesuai harapan. Hasil penelitian menunjukkan bahwa sistem informasi ini mampu menggantikan sistem manual secara efektif, meningkatkan akurasi pencatatan, efisiensi waktu, serta mempermudah proses pelaporan keuangan dan monitoring pelanggan. Sistem ini juga diharapkan dapat dikembangkan lebih lanjut untuk mendukung notifikasi otomatis kepada pelanggan dan pengelolaan data yang lebih aman dan terstruktur.