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All Journal Computatio : Journal of Computer Science and Information Systems JUTIK : Jurnal Teknologi Informasi dan Komputer JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jurnal Sisfokom (Sistem Informasi dan Komputer) Jurnal Teknik Informatika UNIKA Santo Thomas JUTIM (Jurnal Teknik Informatika Musirawas) Kurawal - Jurnal Teknologi, Informasi dan Industri Jurnal Ilmiah Betrik : Besemah Teknologi Informasi dan Komputer Teknomatika (Jurnal Teknologi dan Informatika) Syntax: Journal of Software Engineering, Computer Science and Information Technology JTECS : Jurnal Sistem Telekomunikasi Elektronika Sistem Kontrol Power Sistem dan Komputer Jurnal Ilmu Komputer dan Informatika Bulletin of Information Technology (BIT) Brilliance: Research of Artificial Intelligence Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) Algoritme Jurnal Mahasiswa Teknik Informatika Informatics and Enginering Dedication Jurnal Teknologi Sistem Informasi Jurnal Nasional Teknik Elektro dan Teknologi Informasi Arcitech: Journal of Computer Science and Artificial Intelligence Agrivet: Jurnal Ilmu-ilmu Pertanian dan Peternakan DEVICE : JOURNAL OF INFORMATION SYSTEM, COMPUTER SCIENCE AND INFORMATION TECHNOLOGY Insand Comtech : Information Science and Computer Technology Journal Buletin Ilmiah Informatika Teknologi JOINTECOMS (Journal of Information Technology and Computer Science) MDP Student Conference Software Development Digital Business Intelligence and Computer Engineering Journal Information & Computer (JICOM) Jurnal Software Engineering and Computational Intelligence Applied Information Technology and Computer Science (AICOMS) JISCOMP (Journal of Information System and Computer) Journal of Informatics and Computer Engineering Research JuTISI (Jurnal Teknik Informatika dan Sistem Informasi)
Hafiz Irsyad
Universitas Multi Data Palembang
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Social Sciences Other

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Journal : Journal of Informatics and Computer Engineering Research

 1 
IMPLEMENTASI TF-IDF DAN KNN PADA REKOMENDASI JURNAL OTOMATIS Jonathan Wijaya; Fernando Sugianto Putra; Hafiz Irsyad; Abdul Rahman
Journal of Informatics and Computer Engineering Research Vol. 2 No. 1 (2025)
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/jicer.v2i1.5565

Abstract

In the rapidly evolving digital era, finding relevant journals has become a challengefor students, researchers, and academics. The easy access to journal publications hasled to an increase in the number of available journals. Therefore, there is a need fora recommendation system based on related journals automatically using the TF-IDFand K-Nearest Neighbor (KNN) approaches with cosine distance. The goal is toenhance the efficiency and accuracy of journal searches. The first step is to process the text taken from the titles and abstracts of the journals into numerical vectors using TF-IDF to determine the importance of words in each document. Then, KNN is used to find the journals that are most similar to the specified journal based on the distance between TF-IDF vectors. Precision@3 is used to evaluate the results of the top three recommendations. The evaluation results show highly relevant recommendations, with a Precision@3 value of 1. This system has successfully improved the efficiency and accuracy of automatic journal searches for relevant content
ANALISIS PENCARIAN TEKS EMOSI DALAM TWEET BERBAHASA INDONESIA MENGGUNAKAN TF-IDF DAN COSINE SIMILARITY Saputra, Adi; Ferdilian, M Lazuardi; Irsyad, Hafiz; Rahman, Abdul
Journal of Informatics and Computer Engineering Research Vol. 2 No. 2 (2025)
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/jicer.v2i2.6012

Abstract

Social media platforms such as Twitter present a wide range of emotional expressions from users in short and informal texts, which pose significant challenges for automated analysis. This study develops a search system for Indonesian-language tweets that identifies user emotions based on semantic similarity to a given text query. The method employs Term Frequency-Inverse Document Frequency (TF-IDF) for feature weighting and Cosine Similarity to measure textual similarity. Preprocessing stages including normalization, tokenization, stopword removal, and stemming are applied to enhance text representation accuracy. The system is tested using emotion-based queries and returns relevant tweets with high semantic match scores. Experimental results show that 50% of the top retrieved tweets match the expected emotional context. This approach proves effective in detecting emotions in short texts and offers potential for further development in sentiment-driven opinion analysis and emotion-aware recommendation systems
Co-Authors Abdul Rahman Abdul Rahman Adi Saputra Adrian Suparto Agnes Anastasia Putri Akhsani Taqwiym Akhsani Taqwiym Akhsani Taqwiym Akhsani Taqwiym Andreas Andreas Antony, Felix Arta Tri Narta Arta Tri Narta Aurelia, Reni Busdin, Rusdie Candra candra Chandra Wijaya Chandra, Kelvin William Christian Bautista Christy, Christy Cindy Meilani Daniel Wijaya Derry Alamsyah Devella, Siska dewa Dicko David K Dina Mariana Dwifa_Sophian, Muhammad Agus Edison, Nicholas Edward Pratama Eka Puji Widiyanto Fareza, Ivan Farisi, Ahmad Farisi, Ahmad Fariz Prasetya Ferdi Jiranda Sinaga Ferdilian, M Lazuardi Fernando Sugianto Putra Fernando, Kristian Franko, Billy Fujianto Graciela, Michelle Hansen, Hansen Hartati, Ery Hendra Nata Niko P Hidayat, Muhammad Syahrizal Ibnusina, Fedri Ivander Destian Luis Jeason Lie Jocelyn, Jennifer Jolyn Lucretia jonathan stanly Jonathan Wijaya Juliana Nasution Julyo Armando Davincy Lin, Valen Kamilah, Nyimas Nisrinaa Kelly, Angel Kevin kevin Kevin Kevin Kotan, Jendraja Husein Kurniawan, Calvin Laksana, Jovansa Putra Leonardo Leonardo Lestari, Yehezekiel Gian levid, Jonathan Felix Lin, Jimmi M Ezar Al Rivan Meiriyama, Meiriyama Michael Joy Clement Michael Wijaya Molavi Arman Muhammad Bemby Putra Mansyah Muhammad Rizky Pribadi Mutia, Silvi Narta, Arta Tri Novan Wijaya Novan Wijaya Novan Wijaya Novan Wijaya Pribadi, M Rizky Putra Darmansius, Albertus Dwi Andhika Renaldo, Florence Reynald Dwika Prameswara Rikky, Rikky Rizki Ambarwati Roshan, Muhamad Rizvi RR. Ella Evrita Hestiandari Russel Wijaya Samuel Effendi pratama Santoti, Jennifer Velensia Sanu, Intan Saputra, M Reynaldi Setiawan, Christofer Evan Shela, Shela Silfia Suhartoyo, Rayvin Tanuwijaya, William Taqwiym, Akhsani Taqwiym, Akhsani Taqwiym, Akhsani Tinaliah, Tinaliah Triana Elizabeth, Triana Verrino Adityya Virginia, Callista Wati, Retiana Krisna Wati, Risha Ambar Wijang Widhiarso Wijaya, Christian Richie Willyanto, Aldo Wilyanto, Nicholas Wiwik Handayani Wong, Jeovanni Yohannes Yohannes Yunarto Yunarto, Yunarto