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All Journal Jurnal Nasional Pendidikan Teknik Informatika (JANAPATI) Equivalent: Jurnal Ilmiah Sosial Teknik
Sudiatmika, Anop
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Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences

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Optimasi Nilai Parameter pada Metode Brown’s Exponential Smoothing dengan Algoritma Multiple Genetik Sudiatmika, Anop; Indrawan, Gede; Divayana, Dewa Gede Hendra
Jurnal Nasional Pendidikan Teknik Informatika : JANAPATI Vol 11, No 1 (2022)
Publisher : Prodi Pendidikan Teknik Informatika Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/janapati.v11i1.34627

Abstract

Untuk mendapatkan nilai alpha paling optimal untuk metode Brown's Double Exponential Smoothing (Brown's-DES) dapat menggunakan metode algoritma genetika. Namun, Kekurangan dari algoritma genetika yaitu memerlukan generasi yang banyak untuk menghasilkan sebuah nilai yang optimal. Perlu banyak iterasi yang harus dilakukan jika ingin mendapatkan nilai paling optimal dan presisi. Banyaknya iterasi akan berpengaruh pada kecepatan algoritma dalam menemukan nilai paling optimal. Maka dari itu, peneliti mengembangkan algoritma multiple genetik yang terinspirasi dari algoritma genetik. Algoritma yang dikembangkan mampu menemukan nilai alpha paling optimal dan lebih presisi dengan meminimalkan generasi yang diperlukan dalam algoritma. Dengan menerapkan algoritma multi genetika dua tingkat, didapatkan nilai alpha 0,74 dengan persentase MAPE 1,3224% dibandingkan dengan algoritma genetika biasa yang mendpatkan nilai alpha 0,7 dengan persentase MAPE 1,3456%. Semakin besar tingkatan algoritma multi genetika yang diterapkan, maka hasil alpha yang didapatkan akan semakin optimal dan presisi.
Website Quality Evaluation of LKP Bisma Informatika Using a Combination of Webqual 4.0, Fuzzy Analytical Hierarchy Process and Importance-Performance Analysis Sudiatmika, Anop; Pradipta, Gede Angga; Huizen, Roy Rudolf
Equivalent: Jurnal Ilmiah Sosial Teknik Vol. 8 No. 2 (2026): Equivalent: Jurnal Ilmiah Sosial Teknik
Publisher : Politeknik Siber Cerdika Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59261/jequi.v8i2.284

Abstract

Background: The development of information technology has progressed significantly, consequently having an impact on the world of education in non-formal institutions such as Kursus dan Pelatihan (LKP). Websites are essential for providing information, registration, and engagement to prospective learners. However, preliminary research on the LKP Bisma Informatika website revealed that its content is still incomplete and not up to date. Objective: This research was conducted to evaluate the quality of LKP Bisma Informatika's website using an integrated approach combining WebQual 4.0, Fuzzy Analytical Hierarchy Process (FAHP), and Importance-Performance Analysis (IPA) methods, and to provide improvement recommendations. Methods: This study used a quantitative descriptive survey design, with respondents from LKP Bisma Informatika. Data were gathered through questionnaires based on three WebQual 4.0 constructs: usability, information quality, and service interaction quality. FAHP was used to determine priority weights, while IPA examined performance gaps based on user perceptions. Results: The results show that the website can be significantly improved, particularly in terms of information quality and usability. The most critical improvements needed are website speed, content accuracy, and user interface design. The integration of WebQual 4.0, FAHP, and IPA highlights a utility-based approach for providing effective recommendations to enhance the functionality of the website. Conclusion: These findings are expected to assist LKP Bisma Informatika in improving its website to better meet user needs and enhance user experience.
Co-Authors Dewa Gede Hendra Divayana, Dewa Gede Hendra Gede Angga Pradipta, Gede Angga Gede Indrawan Roy Rudolf Huizen