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All Journal Speed - Indonesian Journal on Computer Science Jurnal Informatika dan Teknik Elektro Terapan JURNAL MEDIA INFORMATIKA BUDIDARMA Jurnal Teknik Informatika UNIKA Santo Thomas JURNAL PENDIDIKAN TAMBUSAI Antivirus : Jurnal Ilmiah Teknik Informatika JATI (Jurnal Mahasiswa Teknik Informatika) Jatilima : Jurnal Multimedia Dan Teknologi Informasi Akrab Juara : Jurnal Ilmu-ilmu Sosial Jurnal Restikom : Riset Teknik Informatika dan Komputer Jurnal Perempuan dan Anak Indonesia Mitra Mahajana: Jurnal Pengabdian Masyarakat JURNAL REKAYASA INFORMASI SWADHARMA (JRIS) Indonesian Journal of Networking and Security - IJNS Jurnal Minfo Polgan (JMP) Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) Jurnal Teknik Informatika Journal of Artificial Intelligence and Engineering Applications (JAIEA) Blend Sains Jurnal Teknik SWARNA Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer Malcom: Indonesian Journal of Machine Learning and Computer Science JOINCS (Journal of Informatics, Network, and Computer Science) Abdi Wina : Jurnal Pengabdian Kepada Masyarakat Universitas Kristen Wira Wacana Sumba Jurnal Inovatif Wira Wacana AMMA : Jurnal Pengabdian Masyarakat Intellektika: Jurnal Ilmiah Mahasiswa Jurnal Pengabdian Masyarakat SWARNA: Jurnal Pengabdian Kepada Masyarakat Riau Jurnal Teknik Informatika JuTISI (Jurnal Teknik Informatika dan Sistem Informasi)
Fajar Hariadi
Universitas Kristen Wira Wacana Sumba
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Development of Environmental Cleanliness Education Game for Grade 5 Students at SD Inpres Kalu Umbu Rona Makaborang; Fajar Hariadi; Tri Sari Dewi Novyanti Bertha Mira
Journal of Artificial Intelligence and Engineering Applications (JAIEA) Vol. 5 No. 2 (2026): February 2026
Publisher : Yayasan Kita Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59934/jaiea.v5i2.1834

Abstract

Technological advances have brought major changes in various aspects of life, including the world of education. One form of use of technology in education is the development of interactive learning media such as educational games. This research aims to develop an Android-based educational game that raises the theme of environmental cleanliness and is intended for 5th grade students of SD Inpres Kalu, East Sumba. The background of this research is based on the low understanding of students on the importance of maintaining environmental cleanliness, which is caused by conventional learning methods that are less interesting and less interactive. The educational game developed will contain materials such as types of waste, how to sort and dispose of waste, and dirty environmental impacts. The research method used is research and development (R&D) with a waterfall model that includes the stages of needs analysis, design, implementation, verification, and maintenance. Supporting data were obtained through interviews, observations, and literature studies. The results of the trial showed an increase in students' understanding of environmental hygiene materials, which was evidenced by an increase in the average score from 78.0 in the pre-test to 87.2 in the post-test, with a difference of 9.2 points or an increase of 11.79%. Testing using the Black Box Testing method showed that all in-game features performed as intended, while the System Usability Scale (SUS) test results obtained an average score of 83.5, which is in the excellent category.
Enkripsi Data Pribadi Menggunakan Metode Base64 dan AES Mira May Nggiri; Fajar Hariadi; Murry Albert Agustin Lobo
Jurnal Inovatif Vol. 5 No. Special (2026): Volume 05 Edisi Khusus Agustus 2026
Publisher : Universitas Kristen Wira Wacana Sumba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58300/43ggf683

Abstract

Penelitian ini bertujuan untuk menganalisis dan mengimplementasikan kombinasi metode Base64 dan Advanced Encryption Standard (AES) dalam melindungi data pribadi dari risiko kebocoran dan penyalahgunaan. Metode yang digunakan meliputi proses enkripsi data menggunakan algoritma AES dan encoding Base64, kemudian dilakukan pengujian melalui proses enkripsi dan dekripsi untuk memastikan data dapat dikembalikan ke bentuk semula serta evaluasi keterbacaan data terenkripsi tanpa kunci yang sah. Hasil penelitian menunjukkan bahwa kombinasi Base64 dan AES mampu mengamankan data pribadi secara efektif, di mana data yang telah dienkripsi tidak dapat dipahami oleh pihak yang tidak berwenang, sementara proses dekripsi berhasil mengembalikan data ke bentuk aslinya tanpa perubahan. Berdasarkan hasil tersebut, dapat disimpulkan bahwa penerapan Base64 dan AES merupakan solusi yang efektif untuk meningkatkan keamanan data pribadi dalam komunikasi dan penyimpanan data digital serta dapat dijadikan referensi dalam pengembangan sistem perlindungan informasi sensitif.  
Implementation of Bridge Filtering to Prevent DHCP Starvation Attack (Case Study: SD Inpres Papindung) Yosua Nggaba Patimay; Fajar Hariadi; Raynesta Mikaela Indri Malo
Journal of Artificial Intelligence and Engineering Applications (JAIEA) Vol. 4 No. 2 (2025): February 2025
Publisher : Yayasan Kita Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59934/jaiea.v4i2.761

Abstract

The impact of internet cut off or disrupted at SD Inpres Papindung, the teachers will have difficulty finding teaching materials and may have to return to traditional methods that are less effective. Updating Dapodik data will also be disrupted, which could affect school administration and evaluation. The unavailability of an internet connection does occur due to technical reasons or due to intentional elements, one of which is the use of Yersinia software. Yersinia is a piece of software that is commonly used to attack available networks by sending fake MAC addresses continuously so that the IP address on the DHCP server runs out, so that the client does not get an IP address which causes the client unable to access the internet. This attack are called DHCP Starvation Attack. This can be prevented using Bridge Filtering method. Bridge Filtering can filter only recognized MAC addresses to transmit data or can request an IP address from the DHCP server, while MAC addresses that are not recognized or foreign devices will not be allowed to request from that port or will not receive an IP address from the DHCP server. The aim of implementing Bridge Filtering is to measure the creativity of the Bridge Filtering method in preventing DHCP Starvation Attack attacks so that clients who want to connect to the network can access the internet and improve network quality at SD Inpres Papindung.The results show that the Bridge Filtering method effective in preventing DHCP Starvation Attacks and improves network quality at SD Inpres Papindung which is shown by an increase of throughput, before implementation it was 794.66 Kbps and after implementation it was 1283.70 Kbps, there was a decrease of delay from 6.89 ms before implementation to 4.06 ms after implementation. There was also a decrease in jitter before implementation 10.56 ms and after implementation 6.05 ms, but caused an increase in packet loss which was 0.30% before implementation and after implementation increased to 0.79%. Of the four variables, all of them remain at the same level except for the throughput variable, where there is a change from the fair category to the good category, so that it has an impact on the quality of the internet network at SD Inpres Papindung after implementing Bridge Filtering which is stated to be better than before implementing Bridge Filtering on the internet network at SD Inpres Papindung.
Web-Based Geographic Information System for Toddlers Nutritional Status in Rindi District Meychristian V. Ama Lay; Fajar Hariadi; Hawu Yogia Pradana Uly
Journal of Artificial Intelligence and Engineering Applications (JAIEA) Vol. 4 No. 2 (2025): February 2025
Publisher : Yayasan Kita Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59934/jaiea.v4i2.767

Abstract

Sistem Informasi Geografis (SIG) merupakan teknologi yang memudahkan visualisasi dan analisis data spasial, berguna dalam berbagai bidang termasuk kesehatan. Salah satu penerapannya adalah pemantauan status gizi balita, dimana masalah gizi dapat berdampak serius terhadap pertumbuhan balita. Di Kecamatan Rindi, Sumba Timur terdapat 200 kasus balita dengan masalah gizi, namun pemantauan gizi masih dilakukan dengan menggunakan peta manual yang tidak dimutakhirkan secara berkala. Hal ini menghambat efektivitas program intervensi gizi karena proses pemantauan data dilakukan secara manual dan kurang optimal. Penelitian ini bertujuan untuk mengembangkan SIG berbasis web untuk memetakan status gizi balita di Kecamatan Rindi. Sistem dirancang dengan menggunakan metode waterfall, yang meliputi tahapan analisis kebutuhan, perancangan sistem, implementasi, pengujian, dan pemeliharaan. Metode ini dipilih untuk memastikan bahwa pengembangan sistem dilakukan secara terstruktur dan menyeluruh. SIG yang dihasilkan diharapkan mampu memberikan informasi yang akurat dan real time, sehingga memudahkan dalam mengidentifikasi desa-desa yang memiliki masalah gizi. Hasil pengujian Black Box menunjukkan bahwa seluruh menu pada sistem berfungsi dengan baik dan dari hasil pengujian SUS diperoleh nilai akhir sebesar 78,25 yang menunjukkan bahwa penilaian Status Gizi Balita SIG di Kecamatan Rindi adalah Cukup dengan kategori penilaian Baik.
Financial Information System at the Sumba Christian Church Web-Based Wainggai Congregation Toni Yiwa Ndapa Otu; Fajar Hariadi; Desy Asnath Sitaniapessy
Journal of Artificial Intelligence and Engineering Applications (JAIEA) Vol. 4 No. 2 (2025): February 2025
Publisher : Yayasan Kita Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59934/jaiea.v4i2.828

Abstract

Financial information systems are information systems designed to provide users with information about cash flows throughout an organization. The procedures carried out in this system are a series of written documents or actions involving many people in a department to ensure consistent treatment. The Sumba Christian Church (GKS) Wainggai Congregation currently does not have information technology that can help to summarize church finances, so that errors often occur from the congregation when examining the treasurer. Because the calculation or addition of church finances every month is often wrong, so each income and expense must be recalculated from the beginning of the month. From certain problems, using information technology can help alleviate complaints or problems that often occur. Therefore, it is necessary to create an information system at the GKS Wainggai Congregation to help manage church finances so that errors do not occur again. This study uses the prototype method.The results of testing using the blackbox method show that this system can run according to its function without any errors. Meanwhile, from the results of the SUS test that has been carried out from the level of user satisfaction with the church's financial recording information system, the assessment given to 1o respondents resulted in a score of 78%. With acceptability ranges "Acceptable" and "High" ranges. The scale of grades is in the category of class "C". and on the "Good" Adjective ratings model. These results show that the financial recording information system can be accepted by its users.
Co-Authors Alberto Koro, Januard Alex Dangi Maneka Alfa Ray Leo Lede, Pingky Alfrian Carmen T Alfrian Carmen Talakua Anamatalu, Deonisius Angalica Lidia Rambu Nipa Aprilia Kahi Aprilian Ina Arini Aha Pekuwali Arysanti Ndapa Huda, Desy Atahau, Fonensia Djati Bale Lay, Dearly Dady Ropa Chintika, Resni Ina Dale, Wellem Wila Dearly Dady Ropa Bale Lay Demaris Lemba Oy Desy Asnath Sitaniapessy Dewi N. B. Mira, Trisari Dhea Ananda Putri Bangu Dingse Pandiangan Djara, Ferdinand Yonatan Elsania Pandahuki Elvis Umbu Katongu Retang Enda, Riwa Rambu Hada Fajar Indra Prasetyo Ferderika Nathan Tawa Ferdian Fendi Djami Gala, Esmiana Gehur, Amir Gutu Hawu Yogia Pradana Uly Hawu Yogia Pradana Uly Henggu, Krisman Umbu Hildegard Rambu Konda Ndima Hinggu Maramba Nau, Mahir Hunggurami, Jitro Indri Malo, Raynesta Mikaela Itha Priyasthiti Jehiel Yanson Beli Jorden Umbu Tutu Jowa, Ngailu Jumalia, Jumalia Kalaway, Rambu Yetti Kapu, Senli Rosiana Karolina A. Rewa Katanga Mutu, Adipapa Kudu, Yonski Umbu Lede, Pingky Alfa Leonard Marten Doni Ratu Lero, Paschalis Risto Padi Lobo, Murry Albert Agustin Lunga, Magdalena Tenga Malo Damanuna, Alvindo Marcelia Kudu Djama Mbana, Marlyn Rambu Day Mbaru, Arto Rehi Melvianus Behar Melvy Kalaway, Umbu Mete, Merling Agreni Inna Meychristian V. Ama Lay Mikaela Indri Malo, Raynesta Milton Dapamudang Mira May Nggiri Mira, Trisari Dewi Novyanti B Nai Besie, Anamaria Rosalia Ndamung, Enjelita Pati Ndima, Indra Huki R. Nikolas Nara Huri Njurumana, Adie Fito Oy, Maria Kapading Papy Rivandi Bara Pati, Ardon Umbu K. Pingky Alfa Ray Leo Lede Rada, Yustina Radjah, Erwianta Gustial Rambu Yetti Kalaway Raynesta M. I. Malo Raynesta Miakela Indri Malo Raynesta Mikaela Indri Malo Raynesta Mikaela Indri Malo Raynesta Mikaela Indri Malo, Raynesta Mikaela Indri Reynaldi Thimotius Abineno Riwa Rambu Hada Endah Roni, Katrina Rambu Bangi Sindi Asmiati Mudang Sitaniapessy, Dessy Asnath Sri Mulyani Sukadi . Talakua, Alfrian Carmen Tamar, Debora Dembi Theresia Satri Ina Toni Yiwa Ndapa Otu Tri Sari Dewi Novyanti Bertha Mira Trisari D. N. B. Mira Trisari Dewi Noviyanti Bertha Mira Udayani Para Uly, Novem Berlian Umbu Rona Makaborang Umbu Theofilus Dendimara Vince Markus Wawu, Ardi Kalendi Wuhi, Andri Umbu Yan Behar Rada Awang Yandrianus Christianto Dara Yenise Kaita Lepir Yosua Nggaba Patimay Yudianto Ngaba Hamba Banju Yunita Tamu Ina Yustina Rada