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All Journal JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI
Wibowo, Ibnu Surya
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Computer Science & IT

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KEYWORD EXTRACTION JUDUL BERITA ONLINE DI INDONESIA MENGGUNAKAN METODE TF-IDF Wibowo, Ibnu Surya; Witanti, Arita; Susilawati, Indah
JATISI Vol 11 No 1 (2024): JATISI (Jurnal Teknik Informatika dan Sistem Informasi)
Publisher : Universitas Multi Data Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/jatisi.v11i1.6718

Abstract

Keyword Extraction is the process of identifying and extracting key words or important phrases from a text or document, aiming to quickly identify keyword information from a large amount of data. This research investigates three online news sites in Indonesia, namely Kompas.com, Detik.com, and Tempo.co. The keyword extraction process is strengthened by the TF-IDF (Term Frequency - Inverse Document Frequency) method, assigning a high weight to words that frequently appear in one document but rarely in others. The TF-IDF calculation results in different weights for each word. Many words were successfully extracted from the three sites, displaying 30 keywords from the dataset. The accuracy of the weight calculation was then tested using F1-Score, resulting in an F1-Score of 99.67%, with an accuracy rate of 99.76%.
Co-Authors Arita Witanti Indah Susilawati