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All Journal Jurnal Ilmiah Teknologi dan Komputer (JITTER)
Purniawan, I Made Arta
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Computer Science & IT

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CLUSTERING BERITA MENGGUNAKAN ALGORITMA TF-IDF DAN K-MEANS DENGAN MEMANFAATKAN SUMBER DATA CRAWLING PADA SITUS DETIK.COM Purniawan, I Made Arta; Sasmita, Gusti Made Arya; Pratama, I Putu Agus Eka
JITTER : Jurnal Ilmiah Teknologi dan Komputer Vol 3 No 1 (2022): JITTER, Vol.3, No.1, April 2022
Publisher : Program Studi Teknologi Informasi, Fakultas Teknik, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (372.656 KB) | DOI: 10.24843/JTRTI.2022.v03.i01.p18

Abstract

News clustering aims to identify each news group that is formed from the implementation of the K-Means method which is based on the word weighting process using the TF-IDF (Term Frequency Inverse Document Frequency) Algorithm. The clustering process uses news crawled from the detik.com site for a period of one year (2018), totaling 124,509 news stories and stored in the form of a CSV (Comma Seperated Value) file. Before carrying out the clustering process, the previous dataset must go through a text-processing stage in the form of: case folding, tokenizing, stopword removal, and stemming. The TF-IDF and K-Means methods are used for the clustering process. The TF-IDF method assigns weights to each keyword in each category to find the similarity of keywords to the available categories, then continues with the K-Means Method for the grouping process based on similar characteristics / similarities between documents. In the process, there are two implementations of the K-Means method, each using 16 centroids and 12 centroids. This is because in the first process, there are groups / clusters that cannot be identified because they contain common words, so a second implementation is needed. Based on the results of testing on 124,509 news stories, there are 27 news groups that have been successfully identified with adequate application capabilities in processing large data.
Co-Authors I Putu Agus Eka Pratama Sasmita, Gusti Made Arya