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All Journal Jurnal Logistik Indonesia Majalah Ilmiah Bijak Jurnal Riset dan Aplikasi Mahasiswa Informatika (JRAMI)
Sari, Damara Kartika
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Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Social Sciences

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Implementasi Lightgbm dan LLM Gemini pada Website Psychobot untuk Analisis Emosi Saat Bersosial Media Fadillah, Danang Hapis; Octavian, Muhammad Rafli; Marwadin, Azis; Dhany, Muhammad Rahmat; Sari, Damara Kartika; Muthiah, Elza Kayla; Pengestu, Trian Radis; Saputra, Dimas Di Ajeng Duwi; Primawati, Alusyanti
Jurnal Riset dan Aplikasi Mahasiswa Informatika (JRAMI) Vol 6, No 01 (2025): Jurnal Riset dan Aplikasi Mahasiswa Informatika (JRAMI)
Publisher : Universitas Indraprasta PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/jrami.v6i01.13500

Abstract

Dalam lanskap digital yang secara eksponensial meningkat, pemahaman emosi pengguna dalam bersosial media menjadi krusial bagi pengembangan platform interaksi yang empathis. Penelitian ini mempersembahkan sebuah inovasi integratif, menggabungkan kekuatan LightGBM (Light Gradient Boosting Machine) dengan kecerdasan LLM (Large Language Model) Gemini dalam kerangka website Psychobot. Inovasi ini bertujuan untuk mengurai kompleksitas emosi manusia saat berinteraksi di media sosial, sebuah tantangan yang seringkali diasosiasikan dengan ketidakseimbangan data (imbalanced data). Strategi ini diperkuat dengan implementasi SMOTE (Synthetic Minority Over-sampling Technique), sebuah teknik canggih untuk mengatasi hambatan klasik tersebut. Hasil penelitian menunjukkan kinerja yang sangat mengesankan, dengan f1-score dan akurasi yang mencapai 99%. Integrasi ini tidak hanya menunjukkan potensi besar dalam meningkatkan pengalaman pengguna melalui responsivitas emosi, tetapi juga membuka peluang lebih luas dalam pengembangan aplikasi psikoteknologi yang lebih sensitif. Penelitian ini memberikan kontribusi substansial pada bidang analisis emosi, menyoroti kemampuan sinergis dari pemodelan machine learning mutakhir dan kearifan bahasa dalam mengungkap dinamika emosi digital.
Analysis of the Root Cause of Delays in Delivery of Export Cargo with Incoterms Free On Board at PT. Vifiera Minova Brothers Using the Fish Bone Diagram Method Yunanto, Dwi; Putri, Rehita Ayunda; Sari, Damara Kartika; Rachman, Adelia Nasya
Majalah Ilmiah Bijak Vol. 22 No. 1: March 2025
Publisher : Institut Ilmu Sosial dan Manajemen STIAMI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31334/bijak.v22i1.4384

Abstract

Delays in the delivery of goods in export cargo containers are a problem that is often faced by business people, especially those who use Free on Board incoterms. This delay has a significant impact on customer satisfaction. Therefore, it is important to conduct an in-depth analysis of the factors that contribute to or even become the root of the problem. The purpose of this study is to analyze the root cause of delays in the delivery of export cargo goods using containers with inconterm free on board using the fish bone diagram method. By identifying and grouping these causes into relevant categories. This research was conducted using a qualitative method, with descriptive data analysis techniques. The data obtained from the results of this study were processed and analyzed using the Fish Bone Diagram method. The results of this study show that the main factor causing frequent delivery delays is during the process of picking up empty containers at the depot.
Influence System Online Tracking And Delivery Timeliness Regarding the Decision to Use J&T Express Expedition Services, Cilincing Branch , North Jakarta Sari, Damara Kartika; Hidayat, Yusup Rachmat
Jurnal Logistik Indonesia Vol. 9 No. 2: Oktober 2025
Publisher : Institut Ilmu Sosial dan Manajemen Stiami

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The background of this study is based on the increasing number of e-commerce users, which has led to high demand for fast, accurate, and. real-time trackable delivery services. However, there are still customer complaints regarding the accuracy of tracking information and delivery delays, which affect customer decisions. The purpose of this study is to determine the influence of the Online Tracking System and Delivery Timeliness on Service Usage Decisions at the J&T Express Branch in Cilincing. North Jakarta. This study used a quantitative method with al descriptive approach. The population consists of J&T Express customers at the Cilincing Branch in North Jakarta. The sample in this study consisted of 100 respondents using purposive sampling. Data analysis used multiple linear regression models, T-tests, F-tests, and coefficient of determination (R) tests. The results of this study indicated that both partially and simultaneously, the variables of the Online Tracking System and Delivery Timeliness significantly influence Service Usage Decisions. This is evidenced by the F-test results, which have a significance value of 0.0000.05, The T-test results for the Online Tracking System variable are 0.000, and for the Delivery Timeliness variable are 0.005, where the value is less than 0.05. Based on the t-test results, it can be concluded that all variables, namely the Online Tracking System and Delivery Timeliness, influence the Decision to Use Services. The coefficient of determination (R) for the decision to services at J&T Express is influenced by the Online Tracking System and Delivery Timeliness variables by 0.778 or (77.8), while the remaining 22.2% is influenced by other variables outside the scope of this study. Keywords : Online Tracking, Delivery Timeliness, Service Usage  Decision
Co-Authors Alusyanti Primawati Dhany, Muhammad Rahmat Dwi Yunanto, Dwi Fadillah, Danang Hapis Hidayat, Yusup Rachmat Marwadin, Azis Muthiah, Elza Kayla Octavian, Muhammad Rafli Pengestu, Trian Radis Putri, Rehita Ayunda Rachman, Adelia Nasya Saputra, Dimas Di Ajeng Duwi