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Sentiment Analysis of Indomaret Poinku Using Lexicon-Based Labeling with KNN and Random Forest Algorithms
Sulaeni, Dini
; Purnamasari, Ade Irma
; Ali, Irfan
; Kurniawan, Rudi
; Nurdiawan, Odi
; Sulaeni, Dini
; Purnamasari, Ade Irma
; Ali, Irfan
; Kurniawan, Rudi
; Nurdiawan, Odi
JUISI : Jurnal Ilmiah Sistem Informasi
Vol 3
, No 1
(2026)
The increasing use of mobile applications in the retail industry has generated a large volume of user reviews that contain valuable insights regarding customer experience and service quality. However, the unstructured nature of these reviews requires an automated approach to extract meaningful patterns efficiently. This study aims to perform sentiment analysis on user reviews of the Indomaret Poinku application by integrating lexicon-based labeling with machine learning classification. A total o...
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Ventilasi Cerdas Berbasis IoT pada Kandang Brooding Ayam Buras Kelompok Ternak Asri Wijaya
Wakim, Wakim
; Sulartopo, Sulartopo
; Suasana, Iman Saufik
; Wakim, Wakim
; Sulartopo, Sulartopo
; Suasana, Iman Saufik
JUISI : Jurnal Ilmiah Sistem Informasi
Vol 3
, No 1
(2026)
Fase brooding merupakan periode paling krusial dalam siklus hidup unggas yang menentukan keberhasilan performa produksi pada tahap berikutnya. Namun, manajemen lingkungan pada peternakan rakyat, seperti Kelompok Ternak Asri Wijaya, masih menghadapi tantangan besar terkait fluktuasi mikroklimat dan akumulasi gas beracun. Penelitian ini bertujuan untuk mengintegrasikan teknologi Internet of Things (IoT) ke dalam sistem ventilasi guna memitigasi risiko mortalitas akibat tingginya konsentrasi amonia...
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Pengaruh Profitabilitas, Leverage, Likuiditas, Ukuran Perusahaan, dan Komite Audit Terhadap Laporan Keberlanjutan
KOMPAK : Jurnal Ilmiah Komputerisasi Akuntansi
Vol 7
, No 2
(2026)
This study aims to analyze the effects of profitability, leverage, liquidity, firm size, and the audit committee on sustainability reporting in energy-sector companies listed on the Indonesia Stock Exchange during the 2020–2024 period. This research is motivated by the increasing demand for corporate transparency and accountability regarding economic, environmental, and social impacts. The study uses secondary data from annual reports and sustainability reports, employing purposive sampling. The...
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Community Service Program for Cleaning, Greening, and Environmental Education at a Public Bus Stop
Public facility cleanliness is a reflection of cultural values and collective social responsibility. Bus stops, as daily transit points for thousands of commuters, often face declining cleanliness due to limited user participation and management. This community service program was conducted on April 22, 2026, at RSAL Bus Stop, Surabaya, Indonesia, with one researcher as the sole implementer. The objectives were to improve physical cleanliness, provide environmental education, and enhance aesthet...
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Formulation of Indigofera sp. Leaf Extract Nanoparticles Using Ionic Gelation and Freeze-Drying Method as a Feed Supplement for KUB Chickens: Improving Physicochemical Properties and Feed Applicability of Indigofera Extract
This study aimed to formulate nanoparticles of ethanol extract of Indigofera sp. leaves using the ionic gelation method combined with freeze-drying, and to evaluate their potential as a feed supplement for Kampung Unggul Balitbangtan (KUB) chickens. Indigofera leaves are known to be rich in bioactive compounds, particularly tannins and flavonoids, which act as natural antioxidants that can enhance poultry growth performance and health. However, their limited stability and bioavailability reduce...
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Reinforcement Learning for Personalised Critical Care Treatment using Scalable Parallel Computing
Utomo, Chandra Prasetyo
; Ichikawa, Kohei
; Insani, Nashuha
; Thonglek, Kundjanasith
; Xingyuan, Kang
; Maulani, Chaerita
; Rachmawati, Ummi Azizah
Sepsis is one of the leading causes of death in intensive care units. Many patients do not receive timely or effective treatment, which lowers their chances of survival. We developed a reinforcement learning–based framework to provide personalised treatment recommendations for sepsis patients. The model creates simple patient representations from treatment responses, groups patients with similar patterns, and learns the best treatment policy for each group. To reduce long training time, we use p...
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Identifying key determinants of students' mathematics achievement using lasso regression
Cognitive, socioeconomic, and instructional factors influence students' mathematics achievement. However, modeling these determinants becomes challenging when the number of predictors is relatively large compared to the available sample size, potentially leading to unstable estimates in conventional regression models. This study aims to identify key determinants of students' mathematics achievement using the Least Absolute Shrinkage and Selection Operator (LASSO) regression approach and to const...
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Design of a Web-Based Regional Tax Document Archiving Information System
Anugrah, Roki Aula
; Friansyah, Ilham Gantar
; Waidah, Dina Fara
; Anugrah, Roki Aula
; Friansyah, Ilham Gantar
; Waidah, Dina Fara
Manajemen arsip dokumen pajak daerah memegang peranan penting dalam mendukung administrasi dan pelayanan publik di Badan Pendapatan Daerah (Bapenda). Sistem pengarsipan manual yang masih digunakan menimbulkan berbagai permasalahan, seperti risiko kehilangan dokumen, kerusakan arsip fisik, serta keterlambatan dalam proses pencarian. Penelitian ini bertujuan untuk merancang sistem informasi arsip dokumen pajak daerah berbasis web pada Bapenda Kabupaten Karimun. Pendekatan kualitatif dengan metode...
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HUBUNGAN PEMBERIAN ASI EKSKLUSIF DAN MAKANAN PENDAMPING ASI DENGAN KEJADIAN STUNTING DI PERKOTAAN
Masitoh, Siti
; Syam, Heriza
; Jehanara, Jehanara
; Kusumastuti, Ani
; Debbiyantina, Debbiyantina
; Aulani, Fitria
Jurnal Kesehatan Masyarakat Indonesia
Vol 21
, No 1
(2026)
Latar Belakang: Masalah kesehatan gizi yang signifikan di Kota Serang adalah prevalensi stunting. Asupan gizi, khususnya ASI eksklusif dan makanan tambahan, berdampak signifikan terhadap pertumbuhan balita dan merupakan faktor penyebab stunting. Tujuan: Untuk menguji korelasi antara ASI eksklusif dan makanan pendamping, bersama dengan usia ibu, pendidikan, pekerjaan, dan paritas, dengan prevalensi stunting di wilayah Puskesmas Singandaru, Kota Serang. Metode: Penelitian ini menggunakan pendekata...
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In vitro antifungal activity of Mimosa pudica rhizosphere bacteria against Fusarium spp.
This study aims to explore rhizosphere bacteria from Mimosa pudica L. as a source of antagonistic bacteria against Fusarium spp. Rhizosphere soil samples were collected, isolated, morphologically characterized, and tested for antifungal activity in vitro against Fusarium spp. The percentage of inhibition (PI) was calculated after 7 days. Six bacterial isolates were obtained and tentatively identified as Bacillus, Cellulomonas, Arthrobacter, and Micrococcus species. All isolates exhibited antagon...
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