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All Journal Techno.Com: Jurnal Teknologi Informasi Jurnal Teknologi Informasi dan Ilmu Komputer JUSIFO : Jurnal Sistem Informasi Jurnal Informatika Upgris Bianglala Informatika : Jurnal Komputer dan Informatika Akademi Bina Sarana Informatika Yogyakarta SINTECH (Science and Information Technology) Journal JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jurnal Teknologi Sistem Informasi dan Aplikasi Indonesian Journal of Applied Informatics Simtek : Jurnal Sistem Informasi dan Teknik Komputer Jurnal Informatika Global IJEEIT : International Journal of Electrical Engineering and Information Technology Journal of Information Systems and Informatics bit-Tech Jurnal Informatika dan Rekayasa Perangkat Lunak JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Jurnal Informa: Jurnal Penelitian dan Pengabdian Masyarakat Infotek : Jurnal Informatika dan Teknologi Infotech: Journal of Technology Information Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Jurnal Teknik Informatika (JUTIF) Jurnal Pendidikan dan Teknologi Indonesia Best : Journal of Applied Electrical, Science and Technology Jurnal SAINTIKOM (Jurnal Sains Manajemen Informatika dan Komputer) JUTECH : Journal Education and Technology Journal Computer Science and Informatic Systems : J-Cosys Jurnal Mandiri IT International Journal Software Engineering and Computer Science (IJSECS) Jurnal Teknik Informatika Jurnal Sistem Informasi Triguna Dharma (JURSI TGD) Jurnal Informatika Teknologi dan Sains (Jinteks) Duta.com : Jurnal Ilmiah Teknologi Informasi dan Komunikasi Journal of Scientech Research and Development Proceeding of International Conference Health, Science And Technology (ICOHETECH) Prosiding Seminar Nasional Teknologi Informasi dan Bisnis Innovative: Journal Of Social Science Research SmartComp CSRID Jurnal PETISI (Pendidikan Teknologi Informasi)
Permatasari, Hanifah
Universitas Duta Bangsa Surakarta
Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Journal : Infotech: Journal of Technology Information

 1 
PREDIKSI HARGA SAHAM PT BANK CENTRAL ASIA TBK DENGAN MENGGUNAKAN ALGORITMA AUTOREGRESSIVE INTEGRATED MOVING AVERAGE (ARIMA) Tri Wulandari, Rahmawati Desi; Nurmalitasari, Nurmalitasari; Permatasari, Hanifah
Infotech: Journal of Technology Information Vol 10, No 2 (2024): NOVEMBER
Publisher : ISTEK WIDURI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37365/jti.v10i2.278

Abstract

Stock prediction is one of the important things in stock trading. It calculates the potential worth of stocks or other financial assets that are traded on stock exchanges. The precision of stock forecast outcomes serves several purposes, principally providing investors with protection from possible market hazards and opening doors for index traders, market speculators, and arbitrageurs to make money. This study used the Autoregressive Integrated Moving Average (ARIMA) model and the Google Colab website to examine and predict the closing price of PT Bank Central Asia Tbk shares. This study uses daily historical stock data from 01 January 2020 to 01 January 2024. The ARIMA (1.0.1) model is the most accurate model for predicting the closing price of PT Bank Central Asia Tbk shares, according to the study’s findings.ABSTRAKDalam trading saham, Prediksi saham adalah hal yang sangat penting. Mengetahui nilai masa depan saham perusahaan atau instrument keuangan lainnya yang diperdagangkan di bursa keuangan adalah sesuatu yang menarik. Banyak hal dipengaruhi oleh akurasi hasil prediksi saham, terutama kebutuhan bagi investor untuk melindungi nilai mereka dari resiko pasar yang mungkin terjadi, peluang bagi speculator pasar dan arbitrase mengambil keuntungan dari indeks perdagangan. Tujuan penelitian ini untuk memprediksi harga penutupan saham PT Bank Central Asia Tbk dengan menggunakan model Autoregressive Integrated Moving Average (ARIMA) dan menganalisisnya dengan menggunakan website Google Colab. Penelitian ini menggunakan data historis harian saham dari tanggal 1 Januari 2020 hingga tanggal 1 Januari 2024. Hasil studi menunjukkan bahwa model ARIMA (1.0.1) adalah yang terbaik untuk meramalkan harga penutupan saham pada perusahaan ini.
IMPLEMENSTASI CONVOLUTIONAL NEURAL NETWORK UNTUK DETEKSI DAN KLASIFIKASI MOTIF BATIK SOLO SECARA OTOMATIS Ardiansyah, Muhammad Irfan; Srirahay, Agustina; Permatasari, Hanifah
Infotech: Journal of Technology Information Vol 11, No 2 (2025): NOVEMBER
Publisher : ISTEK WIDURI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37365/jti.v11i2.421

Abstract

Batik is a recognized intangible cultural heritage of Indonesia, featuring diverse motifs and deep-rooted philosophical meanings. Solo is one of the regions known for its distinctive batik patterns. However, manual identification remains challenging due to visual similarities between motifs. This study aims to develop an automatic classification system for identifying four Solo batik motifs Parang, Sidoasih, Sidomukti, and Truntum using a Convolutional Neural Network (CNN). The dataset includes 250 labeled digital images collected from online repositories and prior research. The data were split into training, validation, and test sets. Preprocessing steps involved resizing to 224×224 pixels, normalization, and data augmentation. The CNN architecture comprises three convolutional layers, max pooling, a flatten layer, and two dense layers. The model was trained for 20 epochs using the Adam optimizer and categorical cross-entropy loss function. Evaluation results showed that the model achieved an accuracy of 89.36% and a loss value of 0.5172. The macro and weighted f1-scores exceeded 0.88, indicating high classification performance. These results demonstrate the potential of CNNs in recognizing complex batik motifs and highlight the role of AI in preserving cultural heritage through technology.
Co-Authors Abdul Rohim Bayu Aji Prayogo Abdullah Sajad Aditya Gema Pratama Aditya Rachman Putra Afu Ichsan Pradana Agustina Niken Laraswati Agustina Srirahayu Ahmad Khairul Adi Aldova Herbryan Putra Alfisal Punjung Kurniawan Amad Tri Yanto Andi Saputro Andika Pratama Ardiansyah, Muhammad Irfan Areta Reza Pradana Arif Wicaksono Septyanto Arif Wicaksono Septyanto Armeta Eka Putri Wibowo Artdelia Pingkan Salsabilla Artdelia Pingkan Salsabilla Atina, Vihi Atmojo, Fernando Winantya Bagas Setiadi Bahrul Aziz Rifai Bangun Prajadi Cipto Utomo Berlian Agustina, Anggun Brian Bagus Apriansah Cikal Fauziah Fatin Sawitri Cipto Utomo, Bangun Prajadi Claudia Swastikawati Dear Whizkid Aziiz Deleviar, Angky Fay Dewangga Ranggi Wiku Didik Kurniawan Dinda Amelia Galuh Puspita Sari Dinda Rizky Asmara Dos Santos, Savio Nelinhos Dwi Hartanti Dwi Hartanti Dwi Prasetiyo Dwi Septieni Dwika Nur Arifin Eka Arya Saputra Eka Wijanarka Satata Putra Eko Purwanto Eko Purwanto Eko Purwanto Erlang Bagus Sadewa Faiq Muhammad, Nibras Fany Kusuma Dewi Farida Surya Jati Fatimah Naim Azahara Faulinda Ely Nastiti Febrianti, Krisna Fitriana Sekar Kinasih Ghani Ardiesta, Alif Gian, Habib Nur Habib Nur Gian Hanif Nur Ahmad Hanif Sangga Paramanandi Hany Arya Wardhany Hartanti, Dwi Hasanah, Herliyani Henokh Lugo Hariyanto Hidayatullah, Muhamad Ichsan Ichsan Pradana, Afu Ika Putri Pujianti Indah Nofikasari Inta Oktaviani Intan Oktaviani Irawan, Ridwan Dwi Irwan Budianto Janah, Selvi Miftakhul Joel Adikurnia Purnama Kukuh Supriyanto Kuncorowati, Dewi Liana Trihardianingsih Linda Kusuma Dewi Listiani, Titin Ma'ruf Nur Muhammad Maharani, Tiara Putri Maulindar, Joni Mochamad Saefudin Moh. Muhtarom Mohd, Farahwahida Muhamad Ilhamsyah Amara Ramadana Muhammad Alwan Nurdin Muhammad Exsa Nugroho Muhammad Hashfi Rafid Muttaqin Muhammad Khovivul Anam Muhtarom, Moh Nafaria Rohmandani Ni’mal ‘Abdu, Aghni Rizqi Nibras Faiq Muhammad Novita Widyasari Nur Indahsari, Reggie Nurchim Nurchim Nurchim Nurchim Nurlita, Catarina Ivanda Nurmalitasari Nurmalitasari Otami Amalina Pipin Widyaningsih Pradana, Afu Ichsan Pramono Pramono Purwanto, Eko Putri Wibowo, Armeta Eka Rahadian, Dwiki Rasya Raihan Abdurrahim Al Ayyubi Ramadhan, Chandra Randis Wahyuni Rani Elsa Putri Ricky Eko Novianto Rico Yoga Pradana Ridho, Taufik Rini, Selfia Yustika Riyan Hidayah Robi Wariyanto Abdullah Rudi Susanto Sabar Sularno Salsabila Nurul Afifah Saputri, Okta Ramma Saputro, Khoirul Adi Saputro Sebastian, Angga Sejati, Ariya Putra Setiadi, Bagas Setiawan, Stevania Shandra Isti Kharisma Auliya Alamsyah Sigit Gunawan Siti Fatimah Siti Munawaroh Sofa Marwati Sri Mahardhika Pratiwi Sri Sumarlinda Srirahay, Agustina Stevania Frederica F.S Stevania Setiawan Sukma, Cahyaning Arum Surya Jati, Farida Syawaludin, M Ainur Telaga Nabila Putri Riyanto Toni Iksanudin Tri Wulandari, Rahmawati Desi Triyono Triyono Triyono Triyono Triyono Utomo, Bangun Prajadi Cipto Vanya Tabitha Wahyu Cahya Adi Putra Wahyudi Wahyudi Wanda Fadillah Wibowo, Anita Carolina Yogi Setyawan Putra Pratama Yuda Abi Bagaskara Zeno Candragufa Muria