Article Per Year (5 Year)
p-Index From 2021 - 2026
8.432
P-Index
This Author published in this journals
All Journal Jurnal Ekonomi Sosiohumaniora JAM : Jurnal Aplikasi Manajemen AdBispreneur Jurnal Pariwisata Syntax Literate: Jurnal Ilmiah Indonesia JMBI UNSRAT (Jurnal Ilmiah Manajemen Bisnis dan Inovasi Universitas Sam Ratulangi) YUME : Journal of Management Aptisi Transactions on Management Journal of Humanities and Social Studies Aptisi Transactions on Technopreneurship (ATT) Turast: Jurnal Penelitian dan Pengabdian Jurnal Ilmu Manajemen Jurnal Ilmiah Manajemen Kesatuan RESLAJ: RELIGION EDUCATION SOCIAL LAA ROIBA JOURNAL Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences International Journal Of Science, Technology & Management (IJSTM) Journal of Applied Data Sciences Jurnal Dharma Bhakti Ekuitas International Journal of Social Service and Research PRIMA : Portal Riset dan Inovasi Pengabdian Masyarakat Prosiding Konferensi Nasional PKM-CSR International Journal of Science and Society (IJSOC) Jurnal Pengabdian Masyarakat Akademisi Formosa Journal of Multidisciplinary Research (FJMR) Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi) Return : Study of Management, Economic and Bussines Eduvest - Journal of Universal Studies eProceedings of Management Enrichment: Journal of Multidisciplinary Research and Development Jurnal Kesehatan Pertiwi International Journal of Indonesian Business Review International Journal of Management and Business Applied International Journal of Economics, Business and Innovation Research Multidisciplinary Indonesian Center Journal Journal of Multidisciplinary Academic and Practice Studies Global Academy of Business Studies Nucleus Journal
Dian Indiyati
Universitas Telkom
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Neuroscience Nursing Public Health Social Sciences Transportation Veterinary Other

Published : 63 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 63 Documents
Search

 3   4   5   6   7 
Multi-Level Stacked Ensemble Learning with Multi-Search Hyperparameter Optimization for Stock Price Forecasting Imam Prasodjo; Suyanto Suyanto; Dian Indiyati; Imelda Atastina
Journal of Applied Data Sciences Vol 7, No 4: December 2026
Publisher : Bright Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47738/jads.v7i4.1485

Abstract

Stock price forecasting remains a challenging task due to the nonlinear, dynamic, and highly volatile nature of financial markets. Traditional forecasting methods often struggle to capture complex relationships among market variables, resulting in limited predictive accuracy. This study proposes a Multi Level Stacked Ensemble Learning (MML-SEL) framework integrated with multiple hyperparameter optimization techniques to improve stock price forecasting performance. The proposed architecture combines heterogeneous machine learning models across several hierarchical stacking layers, including Random Forest, Stochastic Gradient Descent, Multilayer Perceptron, Long Short-Term Memory, eXtreme Gradient Boosting, Gradient Boosting, and Support Vector Regression. To further enhance model performance, three hyperparameter optimization methods—Grid Search, Random Search, and Bayes Search—are employed and compared. Historical stock market data consisting of Open, High, Low, Close, and Volume variables were collected from three different stock exchanges, represented by TLKM (Indonesia Stock Exchange), MSFT (NASDAQ), and BIDU (Hong Kong Stock Exchange). The dataset was chronologically divided into training and testing sets, followed by data preprocessing, feature scaling, model training, stacking integration, and performance evaluation. Forecasting accuracy was assessed using R-Squared (R²), Mean Absolute Error (MAE), and Root Mean Squared Error (RMSE). The experimental results demonstrate that the proposed MML-SEL framework achieves strong predictive performance across all datasets. The best results were obtained using Grid Search optimization, producing an R² value of 0.9996, MAE of 0.0114, and RMSE of 0.0202 on the MSFT dataset. The findings indicate that hierarchical ensemble learning combined with systematic hyperparameter optimization can significantly improve forecasting accuracy and model stability. This study contributes a scalable and effective forecasting framework that can support data-driven investment analysis and financial decision-making in diverse stock market environments.
Influence of Leadership Styles And Organizational Commitment To Learning Organization Angga rulli Putra; Dian Indiyati
International Journal of Management and Business Applied Vol. 4 No. 2 (2025)
Publisher : Asosiasi Dosen Peneliti Ilmu Ekonomi dan Bisnis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54099/ijmba.v4i2.1472

Abstract

This study analyses the leadership style, organizational commitment, and learning organization at PT XYZ. how leadership style affects the learning organization, and how organizational commitment affects the learning organization. A survey that included information on leadership styles, organizational commitment and learning organization was used to collect data from 114 employee of PT XYZ. The results show that leadership style and organizational commitment is in the "strong" category, and learning organization is in the "very strong" category. Leadership style and organizational commitment have a significant influence on learning organization. This study gave insight that organizational commitment has a stronger influence compared to leadership style in supporting the development of a learning organization. Keywords: leadership style, organizational commitment, learning organization
Pemberdayaan Manajemen Pariwisata di Desa Karang Sidemen untuk Pertumbuhan Berkelanjutan Dian Indiyati; Ratna Komala Putri; Aldilla Iradianty
Jurnal Pengabdian Masyarakat Akademisi Vol. 4 No. 3 (2025)
Publisher : Jurnal Pengabdian Masyarakat Akademisi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54099/jpma.v4i3.1211

Abstract

Desa Wisata Karang Sidemen, yang terletak di Kecamatan Batukliang Utara, Kabupaten Lombok Tengah, memiliki potensi wisata alam, budaya, dan edukasi yang signifikan. Namun, pengelolaan desa wisata ini menghadapi berbagai tantangan, seperti keterbatasan pengetahuan perangkat desa dalam manajemen pariwisata, kurangnya kapasitas kepemimpinan, dan minimnya partisipasi masyarakat lokal. Program Pengabdian kepada Masyarakat yang dilaksanakan oleh Fakultas Ekonomi dan Bisnis Telkom University bertujuan untuk mengatasi permasalahan tersebut melalui pelatihan kepemimpinan dan capacity building. Metode pengabdian meliputi Focus Group Discussion (FGD), pelatihan interaktif, dan pendampingan langsung kepada perangkat desa dan masyarakat. Hasil kegiatan menunjukkan peningkatan signifikan dalam kemampuan peserta untuk merancang rencana strategis pengelolaan wisata, mengidentifikasi potensi unik desa, serta mempromosikan destinasi wisata melalui teknologi informasi. Selain itu, program ini berhasil mendorong kolaborasi antara perangkat desa dan kelompok sadar wisata untuk mengelola destinasi secara lebih berkelanjutan. Kegiatan ini tidak hanya mendukung pembangunan ekonomi desa melalui sektor pariwisata, tetapi juga sejalan dengan program Sustainable Development Goals (SDGs) ke-8, yaitu Pekerjaan Layak dan Pertumbuhan Ekonomi. Dengan pendekatan yang holistik, Desa Wisata Karang Sidemen dapat menjadi model pengembangan wisata berbasis komunitas yang berdaya saing.
Co-Authors Adelia Farhani Romadhona Adhi Prasetio Aditya Fathur Rohman Agus Supriyadi Agus Supriyadi Aida Fauzia Rahmatika Aldilla Iradianty Alifah, Qattrunnada Amir Nuyman Andi Teguh Imawan Angga rulli Putra Anita Fitriaturrohmah Arien Arianti Gunawan Arif Partono Prasetio, Arif Partono Arissa, Angela Adelia Asep Kurniawan Astri Ghina Atyoko Utomo Carlos Soares Ribeiro Devika Herowijayanti Dian Puteri Ramadhani Dwi Andayani Elbie Yudha Pratama Fahreza Nasril Farida Titik Kristanti Fetty Poerwita Sary Firdausi, Waritsa Gadang Ramantoko Ganjar Mohamad Disastra Hani Gita Ayuningtias Imam Prasodjo Imelda Atastina Indira Rachmawati Irfan Fitriansyah, Moh. Irwan Mulyawan Izzah, Wafa Nur Januario Soares Kinasih, Florentina Tri Lovei Miftahul Jannah M Oktarifan Agung Nugroho Maria Apsari Sugiat Medina Choirunnisa Meri Mayang Sari Milleniartha Moslem Mohammad Zaldhi Rizkiandi Muhamad Agus Masrukhin Natalia Christy Nidya Dudija Nur Arifyanto, Aziz Nuraini Nuraini Nurikhsan, Yuniarti Paramitha, V Santi Paulus Yustinus Maria Wibowo Ndaruhadi Pratiwi, Tiara Maulidani Putra Pertama, Jibril Putu Nina Madiawati Rahmansyah, Ezra Raisha Ameliza Az’zahra Randy Satria Ratna Komala Putri Ratri Wahyuningtyas Rejeki Amalia Yubairi Restiani, Tunas Rijal Asy'ari, Muhammad Runi, Syifa Salsabila Shanti Ramdhani Suhendrawan Suhendrawan Sujito Sujito Suyanto Suyanto Syah Fanissa, Raina Sylvia Meristika Rachman Tresna Nuryandi Triaji Prio Pratomo Triyandhiningsih, Azzahra Tunas Restiani Untung Rahardja Utama, Dana V. Santi Paramitha Veronika Santi Paramita Viya Ermaulandari Wibowo, Bima Argo Widyastuti, Syifa’ Pri Williams, Jack Yao, Goh Yoyoh Sofiah Zahwa, Pandan