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All Journal Innovative: Journal Of Social Science Research Indonesian Journal of Enterprise Architecture
Prameswari, Gusti Ayu Sri Adinda
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Humanities Computer Science & IT Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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Sentiment Analysis of Electric Vehicles on Twitter Using Machine Learning Prameswari, Gusti Ayu Sri Adinda; Rakib, Muhammad; Aris, Valentino
Innovative: Journal Of Social Science Research Vol. 4 No. 4 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i4.12455

Abstract

Penelitian ini bertujuan untuk menganalisis sentimen pengguna Twitter terhadap kendaraan listrik menggunakan teknik pembelajaran mesin. Data dikumpulkan dari Twitter dengan menggunakan kata kunci terkait kendaraan listrik. Data yang diperoleh diolah melalui beberapa tahap seperti pembersihan data, tokenisasi, dan stemming. Selanjutnya, data dianalisis menggunakan tiga algoritma pembelajaran mesin: Support Vector Machine (SVM), Naive Bayes Classifier (NBC), dan Random Forest. Hasil penelitian menunjukkan bahwa algoritma SVM memberikan akurasi terbaik dalam mengklasifikasikan sentimen pengguna. Berdasarkan analisis diagram tulang ikan, ditemukan bahwa sentimen negatif pengguna terutama disebabkan oleh delapan faktor utama: baterai, infrastruktur pengisian daya, biaya awal, jangkauan, dukungan kebijakan, kinerja, variasi model, dan keandalan. Temuan ini diharapkan dapat memberikan wawasan bagi produsen kendaraan listrik untuk meningkatkan kualitas produk dan kepuasan pelanggan.
Enterprise Architecture Blueprint using the Zachman Framework: Mapping Processes, Data, and Technology for Digital Transformation Isma, Andika; Prameswari, Gusti Ayu Sri Adinda; Annisa D, Nurul Fathiah; Mubarak, Muh Fadel; Diarra, Salim
Indonesian Journal of Enterprise Architecture Vol. 2 No. 3 (2025): Indonesian Journal of Enterprise Architecture
Publisher : Global Research and Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66314/ijea.v2i3.545

Abstract

PT Elizabeth Hanjaya is a retail company operating in the fashion industry. Throughout its development, Elizabeth has been known for its unique characteristics, offering trendy, elegant, and high-quality fashion products at affordable prices. However, in terms of Information Systems/Information Technology (IS/IT) planning, the company has yet to fully maximize the utilization of Systems/Information Technology (IS/IT) that should be implemented within a company. Therefore, the company requires a more strategic planning to support its business objectives that align with the business and Systems/Information Technology (IS/IT) strategies. Enterprise Architecture Planning has been chosen as a guide, with the Zachman Framework as the method, consisting of six rows: scope, enterprise model, system model, technology constrained model, retailed representations, and functioning enterprise, as well as six columns: what, how, where, who, when, and why. The result of this research is a proposed architectural design that is expected to fully support the ongoing business operations to achieve optimal and effective outcomes.
Co-Authors Andika Isma Annisa D, Nurul Fathiah Diarra, Salim Mubarak, Muh Fadel Muhammad Rakib Valentino Aris