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All Journal Jurnal sistem informasi, Teknologi informasi dan komputer Format : Jurnal Imiah Teknik Informatika
Al Izzi, Ahmad Kemal
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Computer Science & IT Control & Systems Engineering Education Library & Information Science Mathematics

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Komparasi Algoritma Topic Modelling LDA VS LSA Pada Berita Detikcom Al Izzi, Ahmad Kemal; Pratama, Rakadian Audiga
FORMAT Vol 13, No 1 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/format.2024.v13.i1.005

Abstract

This research focuses on the process of applying Topic Modeling by comparing the Latent Semantic Analysis (LSA) and Latent Dirichlet Allocation (LDA) models on news tweet data taken from the Detikcom account. The process begins by crawling data over a one year period, starting from December 9, 2022 to December 9, 2023, resulting in 958 rows of data. Data pre-processing includes steps such as case folding, tokenization, stopwords removal, and stemming. After pre-processing, a bag of words process is carried out to calculate the frequency of word occurrences in each document. The number of word occurrence frequencies is used as a reference in creating LSA and LDA models. Each model has 8 topics, 10 iterations, and 42 random states. Topic production is carried out based on keywords that appear in the modeling results. Evaluation of the two models is carried out by measuring topic coherence or topic coherence using the c_v value. The LSA model shows a coherence value of 0.5, while the LDA model has a coherence value of 0.45. The evaluation results show that in this case, the LSA model has better performance than the LDA model based on the topic coherence value. As a suggestion for further research, researchers are expected to consider the use of other cases for topic modeling and other exploration models in Topic Modeling such as OCTIS. This can expand understanding of the performance of the Topic Modeling algorithm on X news data.
EVALUASI LAYANAN PEMINJAMAN RUANGAN FAKULTAS SAINTEK UIN SUNAN AMPEL SURABAYA MENGGUNAKAN ITIL V3 Nasution, Amanda Salsabila; Al Izzi, Ahmad Kemal; Jauhar, Moch Althaf
Jurnal Sistem Informasi, Teknologi Informatika dan Komputer Vol 16 No 1 (2025): September
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Penelitian ini berfokus pada evaluasi layanan peminjaman ruangan di Fakultas Sains dan Teknologi UIN Sunan Ampel Surabaya, mengidentifikasi masalah utama terkait kurangnya efektivitas dan kejelasan prosedur. Dalam penggunaan metodologi, framework ITIL versi 3 menjadi landasan dengan fokus pada domain Service Operation (Operasi Layanan). Temuan utama menyoroti kesulitan dalam pengelolaan peminjaman yang menyebabkan tabrakan jadwal dan mengganggu pengguna, terutama mahasiswa, dengan nilai tingkat kematangan rata-rata layanan peminjaman ruangan berada pada level 2 ("Repeatable") dengan nilai sekitar 2,2996. Evaluasi menggunakan ITIL V3 menunjukkan bahwa beberapa aspek layanan, seperti Event Management dan Request Fulfilment sudah pada tingkat "Defined", sementara Incident, Problem, dan Access Management berada pada tingkat "Repeatable". Rekomendasi untuk meningkatkan layanan mencakup pembenahan mekanisme pengelolaan peminjaman, evaluasi, otomatisasi prosedur, peningkatan komunikasi antar staf, pengelolaan akses dan izin, serta perbaikan prosedur terkait kondisi ruangan. Menyoroti kebutuhan akan peningkatan prosedur, komunikasi, dan manajemen, penelitian ini bertujuan memastikan keefektifan, keefisienan, dan kepatuhan proses secara menyeluruh dalam layanan peminjaman ruangan di Fakultas Sains dan Teknologi UIN Sunan Ampel Surabaya.
Co-Authors Jauhar, Moch Althaf Nasution, Amanda Salsabila Pratama, Rakadian Audiga