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All Journal Bulletin of Electrical Engineering and Informatics Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi)
Indrastanti Ratna Widiasari
Satya Wacana Christian University
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering

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Model Jaringan VLAN pada Routing IS-IS untuk Pemerintah (Studi Kasus Dinas Pemerintah Kecamatan Bringin) Kelvin Arnando; Indrastanti Ratna Widiasari
Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Vol 9 No 2 (2025): APRIL-JUNE 2025
Publisher : Lembaga Otonom Lembaga Informasi dan Riset Indonesia (KITA INFO dan RISET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jtik.v9i2.3293

Abstract

The current development of the internet network in the digital era has progressed very rapidly and has become a major need that cannot be abandoned, especially for the Bringin District Government Service which does not yet have a good network, so the exchange of information is less effective. Therefore, it is necessary to design a network with VLAN configuration on IS-IS routing, and carry out network simulation using GNS3. QoS testing is carried out by sending data packets using the ICMP protocol and counting the data sent. This research shows that the results of VLAN network testing on IS-IS routing at the Bringin District Government Service have optimal performance according to the TIPHON standard with 0% packet loss, 11.28 ms delay, 0.78 Mbit/s throughput, and 0 ms jitter.
Integrating hybrid deep learning and CSI for multi-interval hydrological data in enhanced flood prediction Indrastanti Ratna Widiasari; Eko Sediyono; Rissal Efendi
Bulletin of Electrical Engineering and Informatics Vol 15, No 3: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v15i3.11278

Abstract

Flood prediction accuracy is often constrained by heterogeneous and asynchronous hydrological data collected at different time intervals. This study proposes a hybrid deep learning–based flood prediction framework that integrates long short-term memory (LSTM), convolutional neural network (CNN), and cubic spline interpolation (CSI) to address these challenges. Rainfall, river discharge, and water level data representing upstream, midstream, and downstream conditions of the Bengawan Solo watershed were utilized. CSI was applied as a preprocessing step to harmonize multi-interval data, reduce noise, and recover missing observations, thereby improving data consistency. The experimental results show that the proposed hybrid LSTM–CNN model enhanced with CSI outperforms baseline LSTM and non-interpolated hybrid models, achieving a mean absolute percentage error (MAPE) of 5.84%, root mean square error (RMSE) of 0.125 m, mean absolute error (MAE) of 0.082 m, and R² of 0.948. The integration of spatio-temporal feature learning with data harmonization enables more accurate flood level prediction and supports timely flood early warning systems. The proposed approach demonstrates strong potential for improving flood risk management and disaster preparedness in flood-prone regions.
Co-Authors Eko Sediyono Kelvin Arnando Rissal Efendi