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All Journal Jurnal Ilmiah Sains dan Teknologi ARRUS Journal of Engineering and Technology
Fransisco, Vicky
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Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Library & Information Science Physics

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Analisis Sentimen Aplikasi Polri Super App Menggunakan Algoritma Random Forest Fransisco, Vicky; Rarasati, Dionisia Bhisetya
Jurnal Ilmiah Sains dan Teknologi Vol 8 No 2 (2024): Jurnal Ilmiah Sains dan Teknologi
Publisher : Teknik Informatika Fakultas Ilmu Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/saintek.v8i2.3383

Abstract

Polri Super App merupakan aplikasi mobile terintegrasi yang dapat melakukan banyak hal yang berkaitan dengan kepolisian. Pelayanan kepolisian mencakup berbagai aspek yang sangat penting dalam kehidupan bermasyarakat, seperti menangani kasus kriminal, mengatur lalu lintas, mengawasi kegiatan masyarakat, dan lainnya. Seiring dengan penerapan dan meningkatnya penggunaan aplikasi ini, muncul berbagai tanggapan berupa ulasan dari pengguna aplikasi. Untuk dapat memahami tingkat kepuasan dan ekspektasi dari pengguna aplikasi, analisis sentiment dari pengguna aplikasi diperlukan. Dengan menganalisis ulasan dari pengguna aplikasi, maka didapatkan sentimen masyarakat yang diharapkan dapat berguna bagi penyelenggara layanan Polri Super App agar dapat terus meningkatkan kualitas dan layanan aplikasi. Algoritma Random Forest digunakan untuk melakukan klasifikasi terhadap ulasan aplikasi. Hasil pengujian menggunakan confusion matrix menunjukkan bahwa model yang dibentuk memiliki nilai akurasi sebesar 95,87%.
The Effect of Fineness of Segabai Rice Husk Ash PCC Cement Substitution in Concecrete Making Fransisco, Vicky; Firdaus, Firdaus
ARRUS Journal of Engineering and Technology Vol. 5 No. 1 (2025)
Publisher : PT ARRUS Intelektual Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/jetech3690

Abstract

High quality concrete can be produced by increasing the porosity of the concrete . The porosity of concrete is influenced by the aggregate gradation and grain fineness . The limitations of the level of fineness of cement Grains are the main problem in producing high quality concrete , when viewed in terms of porosity for the addition of additional materials to the concrete mixture are used to change , improve the properties of concrete , increase the compressive strength of concrete . The additional materials used can be chemical ( chemical admixture ) and mineral ( admixture additives ). South Sumatra Province is an area that is one of the largest rice producers , this can be seen from the results of the Central Statistics Agency of South Sumatra Province in 2021 which showed that rice production in South Sumatra Province reached 2,552.44 thousand tons (BPS South Sumatra Province ). The method used is the experimental method by making samples and testing in the laboratory with targets of 0%, 5%, 10%, and 15% of the weight of cement and rice husk ash used . Each variation is made of 3 tests objects each with a size of 10 x 10 x 20 cm, for compressive strength testing at the ages of 7, 14, 28, 56 days . The results of the study on the use of rice husk ash show that the finer the rice husk ash , the compressive strength increases , but more rice​ husk ash is mixed , the compressive strength also decreases.
Co-Authors Firdaus Firdaus Rarasati, Dionisia Bhisetya