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Journal : Jurnal Informatika: Jurnal Pengembangan IT

Perbandingan Cosine Similarity dan Weighted Jaccard Similarity dalam Pengembangan Mesin Pencari Perpustakaan Digital Pamput, Jessicha Putrianingsih; Muthmainnah, Aindri Rizky; Surianto, Dewi Fatmarani; Fadilah, Nur
Jurnal Informatika: Jurnal Pengembangan IT Vol 10, No 4 (2025)
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/jpit.v10i4.8773

Abstract

This study addressed the problem of low relevance in search results within the digital library system of the Department of Informatics and Computer Engineering (JTIK), Universitas Negeri Makassar. The purpose of this research was to improve the accuracy and relevance of search outcomes, enabling users, particularly students, to access academic materials and research references more efficiently. A search engine system was developed using a term-weighting method based on term frequency and document distribution. The system incorporated similarity measurement techniques to evaluate the degree of match between user queries and document content. An experimental approach was applied, which involved observation, data collection, text preprocessing, implementation of term weighting, and the comparison of cosine similarity and Weighted Jaccard similarity for ranking search results. The The evaluation was conducted using the Precision@K metric and a paired t-test to measure the significance of performance differences between methods. The test results showed that Weighted Jaccard obtained an average Precision@K value of 0.933, slightly higher than Cosine Similarity with an average of 0.9. However, Cosine Similarity produced a higher average similarity value. In addition, system testing was conducted in two stages, namely assessing user satisfaction with search results and assessing system performance. These findings confirmed that the combination of term-weighting and cosine similarity effectively enhanced the relevance and performance of digital library search systems.
Co-Authors Addarisalam, Alif Aen, Kurotul Ahmad Ahmad Ainur Rahman, Ainur Akidah, Ihramsari Ambarsari, Niati Amelia, Anisa amin, ariyati Amin, Moh. Ma'ruf Aminatun Aminatun Andi Alviadi Nur Risal Andriana, Reni Anisah, Ismi Annafi, Rizka Anugerah Putra, Bayu Any Ismayawati Apik Budi Santoso Aprilia, Sherfina Indah Ardhana, Bima Kusuma Ardiyana, Sasna Syifa Arif Rofiqi , Ahmad Astuti, Ayun Dwi Ayuzmal, Nandia Azhar, Nabilah Azzahra, Nur Inaayah Badar, Muhammad Banna, Andi Berliana, Beta Chairatul Umamah Chuzaimah Cindya Alfi Clarisha, Windi Dewanto, Didit Kustantio Dewi Fatmarani Surianto Dewi, Nadya Putri DILA, DILA Dillah, Salsa Dwi Budi Santoso Elfrida Ratnawati Endang Lastinawati, Endang Erawati, Erawati Exsa Putra Ezzafira, Rizka Fadilah, Ahmad Arif Fani, A. Astri Merilsa Farida, Ucyk Nurul Farokhah, Laely Fatchiyah Maharani, Masti Fatih, Mohamad Fauziyah, Riska Annisa Febrianty, Eva Firmansyah, Raden Arief Fitri Norhabiba, Fitri Fitriana Fitriana Ghaniyasari, Nur Azizah Hairuniska, Nuriski Hardiyanti, Sakinah Hariani, Shintia Shepti Hariyani, Yunita Harun Mukhtar Hasanudin, Asriani Hasibuan, Marlina Heni Purwati Herdaning Putri, Piranti Ibrahim Arifin Iffan Maflahah Indra Suharman izzah fijriyah, izzah Jaenab, Jaenab Jannah, Zairotul Jihadi, Athira Julia Saputri, Maulida Jumiati Kadek Ayu Erika Kahar, Abd. Karima, Zalfani Fitri Karmila, Widya Kirana, Tamira Pontia Kusnadi, Devi Kusumawati, Putri Nur Laily, Alifia Noer LATIEF , SYEKH ADIWIJAYA Latif, Aulia Insani Luh Putu Ratna Sundari Lukman Nuzul Hakim Luwihta, Aisyah Dana Magdalena, Ina Maimon Sumo MARDIAH, AINA Martitah Martitah Maulana, Arman Maulidia, Lailatul Maulidiyah, Ana Maulidya, Sarah Meylandari, Purnama Minarny Gobel Mohamad Djasuli, Mohamad Mohammad Fikri, Mohammad Mufidah, Wirdatul Muhammad Basri Muhammad Hanafi Muhammad Syukur Muhammad Takdir, Muhammad Muhammad Yusron Maulana El-Yunusi Mukhlis Mukhlis Mulyadi, Syifaul Aini Munirah Munirah Munte, Angelina Cristine Musyarrofah, Wilda Muthmainnah, Aindri Rizky Nahar, Hendrik Nani Suwarni NASUTION, HABIBAH Nasution, Nur Aida Netti Aryani Ningrum, Tsamara Probo Novaria Lailatul Jannah Nur Asia, Nur Nur Asiah NUR EFENDI Nuraulia, Silviana Nurazizah Nurazizah, Nurazizah Nurfitriana, Saumi Nurlaela, Ai Nurlaila Fitriani Nurvita Oktaverina, Ella Kurnia Oktavini, Devi Pamput, Jessicha Putrianingsih Pertiwi, Ratu Seffy Polopadang, Arion Whaizer Pradwita, Yanuarizka Widhi Prasetyo Nugroho, Anggit Pratama, Risma Cahya Yudita Pu'adi, Pu'adi Putri Mardiani, Indah Rafika, Fitria Rahayu, Mustika Rahmahdiyyyah, Tsabitah Rahmat Rahmat Rahmat Romadhon, Dzikri Rahmayanti, Wa Ode Ramadani, Riska Rasak, Risna Ratna Juwita Risna Risna, Risna Rizka, Saffana Rofi'ah, Siti Rohaniah, Jaftiyatur Rohmatika, Naili Rosidah, Ilmiyatur Rosita, Ria Rosmana, Primanita Sholihah Rosmawati, Henny Rozzaid, Yusron Runi, Runimeirati Safriani Rahman, Safriani Sahib, Rahmawansyah bin Sahlan Salim, Vina Putri Sary, Yessy Nur Endah Shadila, Bella Siadah, Kurniatus Singgih Prihadi Siti Zulaikhah Sitti Amirah Sofyan Iskandar, Sofyan Sri Wahyuni Srilestari, Titik Sriyanto Sriyanto Sudaryanto, Edy Sugianti Suharsiwi Suharsiwi Suni Hariati, Suni Supriliyanti, Novi Suria, Ali Syamsul Bahri Tarman , Tarman Titiek Sutriningsih, Susilawati Susilawati , Trianditha, Rinanda Wardhani, Indah Setyo yuliani, ita Yusuf, Mukhtar YYFR. Sunarjan, YYFR. Zakiyyah, Muthmainnah Zamzami, Muhammad Abid Zulfikar, Robi Zuliani, Rizki Zulkarnain Zulkarnain