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Journal : Kresna: Jurnal Riset dan Pengabdian Masyarakat

Implementasi Algoritma Naïve Bayes Clasifier untuk Mengelompokkan Naskah Berita Pendidikan dan berita Covid-19: Implementation of the Naïve Bayes Classifier to Classify Education News and Covid-19 News Muhammad Azhar Mujahid; Windarto, Windarto; Mohammad Syafrullah
KRESNA: Jurnal Riset dan Pengabdian Masyarakat Vol 1 No 1 (2021): Jurnal KRESNA November 2021
Publisher : DRPM Universitas Budi Luhur

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (531.422 KB) | DOI: 10.36080/jk.v1i1.2

Abstract

As the time goes by, many information distribution institutions that initially conveyed news through printed media or electronic media, such as newspapers and television, turned in to digital media such as news portals which using the internet. In general, the news which been presented in the news portal consists of several categories, such as education news, health news, and other categories news. However, when grouping those news into its certain categories, some are still doing it manually, for instance by gathering several source persons to agree on which category the news belongs to. Compared to the manual method, news grouping can be done using an algorithm that can automatically classify news in to its category based on its content, either from its title or its scripts. Naïve Bayes is one of the algorithms that can be implemented for grouping news based on its text. Before classifying the news based on its text, it is necessary to collect the news data from both of its news scripts along with its title. In this study, the data were used was taken from several online media sources through the Google Alerts service which generates a search engine based on the selected criteria. Based on the testing results using 295 news scripts, 236 training data, and 59 testing data, it was obtained result of 74.58% accuracy.
PEMBERDAYAAN MASYARAKAT KAMPUNG TIDAR MENUJU KAMPUNG ASRI DAN LESTARI DIMASA PANDEMI COVID-19: PEMBERDAYAAN MASYARAKAT KAMPUNG TIDAR Windarto, Windarto; Martini, Martini; Samsinar, Samsinar
KRESNA: Jurnal Riset dan Pengabdian Masyarakat Vol 1 No 1 (2021): Jurnal KRESNA November 2021
Publisher : DRPM Universitas Budi Luhur

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (286.102 KB) | DOI: 10.36080/jk.v1i1.5

Abstract

Community service activities are a form of implementation of one of the Tri Dharma of Higher Education. This program will be implemented in August 2021 which is located in East Sudimara Village, Ciledug District, Tangerang. The theme that will be implemented is the theme of Environmental Conservation in Kampung Tidar. With the targets and programs that have been designed, it is hoped that it will be able to build the interest of the local community to continue to be aware of the environment and be able to develop and maximize their potential
Penerapan Algoritme Advanced Encryption Standard (AES-512) untuk Pengamanan File Berbasis Web Khoirudin, Nurfauzan Humam; Windarto, Windarto
KRESNA: Jurnal Riset dan Pengabdian Masyarakat Vol 4 No 1 (2024): Jurnal KRESNA Mei 2024
Publisher : DRPM Universitas Budi Luhur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36080/kresna.v4i1.104

Abstract

Perkembangan teknologi informasi telah membawa dampak signifikan terhadap kehidupan manusia, terutama dalam pertukaran data yang semakin mudah dan cepat. Namun, keamanan data menjadi tantangan utama dalam konteks ini, mengingat potensi ancaman dari akses ilegal terhadap informasi sensitif. Kriptografi, khususnya menggunakan Algoritma Advanced Encryption Standard (AES), menjadi pilihan utama untuk mengamankan data perusahaan. Penelitian ini bertujuan untuk meningkatkan keamanan file-file penting di PT. Skemanusa Consultama Teknik dengan menerapkan AES-512 untuk proses enkripsi dan dekripsi data. Metode penelitian ini mengadopsi pendekatan waterfall, dimulai dari perumusan masalah, studi literatur, perancangan sistem, hingga implementasi menggunakan AES-512. Pengujian dilakukan untuk membandingkan kecepatan enkripsi dan dekripsi dengan metode AES-512 terhadap pendekatan lain seperti kombinasi AES dan RSA. Hasil pengujian menunjukkan bahwa AES-512 efektif dalam mengamankan file-file perusahaan dengan waktu enkripsi dan dekripsi yang optimal. Penerapan AES-512 pada aplikasi kriptografi ini berhasil menciptakan sistem yang dapat mengamankan berkas-berkas seperti laporan keuangan, SPT pajak, dan dokumen-dokumen penting lainnya di PT. Skemanusa Consultama Teknik tanpa mengorbankan kinerja sistem. Hasilnya menunjukkan peningkatan signifikan dalam keamanan data, mengatasi kelemahan penyimpanan data tradisional seperti folder komputer atau flashdisk.