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Text Stemming and Lemmatization of Regional Languages in Indonesia: A Systematic Literature Review Abidin, Zaenal; Junaidi, Akmal; Wamiliana
Journal of Information Systems Engineering and Business Intelligence Vol. 10 No. 2 (2024): June
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jisebi.10.2.217-231

Abstract

Background: Stemming is significantly essential in natural language processing (NLP) due to the ability to minimize word variations to fundamental forms. This procedure facilitates the analysis of textual data and enhances the precision of classification and information retrieval. Objective: Previous related systematic literature review has not been conducted on stemming and lemmatization in regional languages in Indonesia. Therefore, this study aims to conduct a systematic literature review to capture the latest developments in stemming and lemmatization in regional languages in Indonesia. Methods: This study was carried out using Kitchenham method, analyzing 35 studies extracted from 740, which were obtained from Scopus, IEEE Xplore, and Google Scholar, and published between 2014 and 2023. Results: The results showed that study trends in stemming possessed the potential to continue developing every year. Additionally, the main element in stemming and lemmatization studies was found to be the availability of digital dictionaries in regional languages. This was because greater number of basic vocabularies contributed more positively to stemming or lemmatization. The availability of word morphology information in regional languages would be constructive for making rule-based stemmers. Meanwhile, corpus-based stemming and lemmatization studies could only be conducted for languages with a large corpus to ensure there were various affixed words to process. Conclusion: Based on SLR study, stemming and lemmatization in regional languages in Indonesia developed significantly from 2014 to 2023. The two main strategies applied included using available digital dictionaries and language morphology information. However, the main challenges encountered were the limited number of vocabulary words in the dictionaries and testing various rule-based methods.   Keywords: Lemmatization, Morphology, Rule-based, Stemming, Systematic Literature Review.  
Pelatihan Pemahaman Konsep Geometri Berbasis Origami Bagi Siswa SD Negeri 1 Labuhan Ratu, Bandar Lampung Notiragayu; Wamiliana; Asmiati; Widiarti
Nemui Nyimah Vol. 5 No. 1 (2025): Nemui Nyimah Vol. 5 No. 1 2025
Publisher : FT Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/nm.v5i1.171

Abstract

The Origami-Based Geometry Concept Understanding Training for Students of SDN 1 Labuhan Ratu, Bandar Lampung, aims to provide knowledge and an in-depth understanding of geometric building concepts to 20 students in grades 4 and 5 over 2 days as an effort to improve students' abilities and absorption of geometry materials in particular and mathematics more broadly. In this training, the lecture method is applied with slide presentation media, which is needed to explain the concept of geometric buildings and is varied with demonstrations of flat and spatial building models through origami paper demonstrations. Sample data were obtained from the results of the pre-test at the beginning of the training and the post-test at the end of the training. Then, from this paired data form, a hypothesis test was carried out to determine whether the two groups of data were significantly different or not. The results obtained showed an average increase of 22% after the training. This shows that students' absorption of origami-based geometry has improved.