Proceedings of the International Conference on Sustainable Green Tourism Applied Science - Engineering Applied Science 2026 (ICOSTAS-EAS 2026)
International Conference on Sustainable Green Tourism Applied Science - Engineering Applied Science 2026 (ICOSTAS-EAS 2026)
📍Badung, Indonesia🗓️ 7 October 2026
37 articles
Proceedings Article
Peer-Review Statements
Wayan Gede Suka Parwita, Dewa Ayu Indah Cahya Dewi, Fransiska Moi, Ida Bagus Adisimakrisna Peling, Indah Utami Chaerunnisah, Komang Widhi Widantha, Rifqi Nur Fakhrurozi, Risa Nurin Baiti, Wayan Eny Mariani
All of the articles in this proceedings volume have been presented at the International Conference on Sustainable Green Tourism Applied Science - Engineering Applied Science 2026 on date October 7, 2026 in Bali-Indonesia. These articles have been peer reviewed by the members of the ICoSTAS-EAS 2026 Review...
Proceedings Article
AI-Generated Text Probability Detection System for Indonesian Scientific Papers Using Perplexity-Burstiness Linguistic Analysis
Gde Brahupadhya Subiksa, Made Sudarma, I Nyoman Eddy Indrayana, I Putu Astya Prayudha, I Ketut Gede Sudiartha, Yessi Aprilia Waluyo
The widespread adoption of artificial intelligence (AI) in scientific writing has introduced significant challenges in maintaining academic integrity, particularly in higher education environments. This research develops an AI-generated text probability detection system for Indonesian scientific papers...
Proceedings Article
Site Maturation Report for Retaining Wall Planning at Pura Luhur Pucak Les, Angseri Traditional Village, Tabanan, Bali
Ni Made Sintya Rani, I Made Wahyu Pramana, I Gusti Wulan Krisna Dewi, Anak Agung Ayu Asta Oktaviani Putri, I Nyoman Ardika, Kadek Adi Parthama
Pura Luhur Pucak Les, a sacred temple located in the hilly terrain of Angseri Traditional Village, Baturiti District, Tabanan Regency, Bali, faces significant landslide vulnerability due to high rainfall intensity and the absence of adequate retaining structures along the riverbank. This paper presents...
Proceedings Article
Analysis of Domestic Tourist Forecasts to Bali Based on Destination City Using the LSTM Method
I Putu Bagus Arya Pradnyana, I Putu Oka Wisnawa, I Nyoman Rai Widartha Kesuma
The recovery of Bali’s tourism post-COVID-19 urgently requires spatial forecasting of domestic tourists due to the disparities between regencies/cities. The objective of this research is to predict the monthly number of domestic tourist visits to each regency/municipality in Bali from 2019 to 2025 using...
Proceedings Article
Improving Public Administrative Services through Strengthening Digital Systems with Data Validation: A Community Service Study in Pejeruk Subdistrict
Made Pradnyana Ambara, I Made Agus Oka Gunawan, I Gede Teguh Satya Dharma
This community service activity aims to improve the quality of citizen administration services by strengthening the digital system with the addition of a data validation mechanism in Pejeruk Subdistrict, Ampenan District, Mataram City. The method used is a participatory approach with stages of socialization,...
Proceedings Article
Isolux Curve and Polar Photometry of LED Public Street Lighting for Green Lighting
I Wayan Jondra, Putu Agus Mahadi Putra, Kadek Amerta Yasa, I Made Purbhawa, Ni Made Amustini, I Made Sudana
Public Street Lighting has an important role in improving the safety, security, and comfort of road users, as well as for temple surroundings. This study aims to analyze the illuminance distribution of LED street lighting installed on a 6-meter pole height, with a 0.5-meter ornament arm and an armature...
Proceedings Article
Standards-Based Physical Characterization of Clamshell Waste Powder as a Partial Cement Substitute for Non-Structural Mortar
Tirtha Damayanti, Ni Kadek Sri Ebtha Yuni, Ni Putu Indah Yuliana, Ni Putu Ary Yuliadewi
Portland cement production is a major contributor to global CO₂ emissions, motivating the use of locally available supplementary materials, while coastal tourism centers in Bali generate large quantities of underutilized clamshell waste rich in calcium carbonate (CaCO₃). Most previous studies on shell-based...
Proceedings Article
Design and Implementation of a WhatsApp-Integrated AI Agent for Automated E-Learning Grade Checking at Politeknik Negeri Bali
I Gede Sugita Aryandana, Putu Virgananta Nugraha, Leni Anggraini Susanti, Muayyad Muayyad
This study designs and evaluates a WhatsApp-based AI Agent to support automated grade verification through integration with the institutional E-Learning system. The prototype was developed using an Agile Research and Development approach and combines natural language processing, multi-turn dialogue,...
Proceedings Article
Development of a Machine Learning Model for Predicting Graduate Learning Outcome Achievement in Outcome-Based Vocational Education
I Putu Gede Abdi Sudiatmika, I Made Wijana, Dewa Ayu Mas Putriari Nusantari, Ni Ketut Nadila Suryasari, Putu Satya Saputra, Ni Made Wirasyanti Dwi Pratiwi
Outcome-Based Education (OBE) requires continuous monitoring of Graduate Learning Outcome (GLO) achievement, yet in most Indonesian vocational institutions this monitoring remains a retrospective, end-of-program exercise rather than a tool for early intervention. This study develops and evaluates a machine...
Proceedings Article
Development of a Level-Based Self-Study Feature in the TOEIC Preparation System to Enhance Students’ Self-Regulated Learning
Ida Bagus Adisimakrisna Peling, Made Pasek Agus Ariawan, I Nyoman Rajin Aryana, Putu Tika Virginiya
English proficiency represents an important skill for vocational students, particularly in preparing them to compete effectively in an increasingly globalized labor market. TOEIC is widely recognized as an international standard for assessing professional English proficiency and is commonly required...
Proceedings Article
Feasibility Study of a Community-Based Clean Water Distribution System in Galiukir Indigenous Village, Bali
I Nyoman Agus Adi Saputra, Ketut Bangse, I Dewa Made Cipta Santosa, Adi Winarta, Made Ery Arsana, I Nyoman Suamir
Access to reliable clean water remains a major challenge in rural hilly areas where distribution performance is strongly affected by elevation difference, long transmission pipelines, limited source discharge, and pump capacity. This study evaluates the feasibility of the existing community-based clean...
Proceedings Article
Conceptual Engineering Design of a High-Head, Low-Flow Community-Based Clean Water Supply System in Galiukir Indigenous Village, Bali
I Wayan Sutina, I Gede Artha Negara, I Wayan Temaja, Ida Ayu Anom Arsani, I Nyoman Gede Baliarta, I Ketut Suherman
Clean water supply in Galiukir Indigenous Village, Bali, is constrained by a large elevation difference, a long transmission pipeline, limited source yield, and inadequate existing pump head. This study develops a conceptual engineering design for a community-based high-head, low-flow water supply system...
Proceedings Article
Implementation of an Integrated Executive Dashboard on the PPMPP Portal as a Digital Instrument for Institutional Quality Assurance at Politeknik Negeri Bali
Made Pradnyana Ambara, Putu Wijaya Sunu, I Made Agus Oka Gunawan, I Gede Teguh Satya Dharma
Digital transformation in higher education requires integrated information systems that can support institutional quality assurance through timely and consistent information. This study develops an integrated executive dashboard within the PPMPP Portal of Politeknik Negeri Bali to address data fragmentation...
Proceedings Article
Performance Evaluation of YOLOv8 Model in Motorcycle Helmet Violation Detection System Using Traffic Image Dataset
I Putu Astya Prayudha, Ni Gusti Ayu Putu Harry Saptarini, Gde Brahupadhya Subiksa
The high number of motorcycle users in developing countries is often followed by an increase in traffic violations, specifically the failure to wear helmets, which significantly contributes to head injury risks. This study aims to evaluate the performance of the YOLOv8 model in detecting motorcycle helmet...
Proceedings Article
Soil Testing at Pura Luhur Puncak Les in the Traditional Village of Angseri, Tabanan, Bali
I Gede Bambang Wahyudi, Tirtha Damayanti, I Nyoman Suardika, I Gusti Ngurah Kade Mahesa Adi Wardana, Kadek Adi Suryawan
Soil testing was carried out at Pura Luhur Puncak Les, located in the Traditional Village of Angseri, Baturiti Sub-district, Tabanan Regency, Bali Province. In terms of its geographical location, the temple is situated in a hilly area at an elevation of approximately 700–900 metres above sea level, with...
Proceedings Article
Development of an E-Commerce Platform for Jembrana Weaving Products Using Augmented Reality Technology
Ni Made Yeni Dwi Rahayu, Putu Agus Murtono, Ni Putu Dewi Eka Yanti
The digital transformation of traditional handicraft marketing requires innovative technologies that can provide consumers with a more interactive and realistic online shopping experience. This study aims to develop an Augmented Reality (AR)-based e-commerce platform for Jembrana woven fabrics to support...
Proceedings Article
Examination of the Effect of a Water Mist System on Exhaust Gas Emissions and Particulate Residue Characteristics in a Small-Scale Incinerator
Anak Agung Gede Pradnyana Diputra, I Made Anom Adiaksa, I Wayan Suma Wibawa, Made Ardikosa Satrya Wibawa, I Komang Kantun
The implementation of incinerators for waste treatment faces challenges associated with high exhaust gas temperatures and combustion emissions, particularly carbon monoxide (CO) and particulate matter, which may contribute to environmental pollution. This study presents a preliminary baseline investigation...
Proceedings Article
Android-Based Markerless Augmented Reality as a Learning Media for Human Internal Organs
Ni Wayan Jeri Kusama Dewi, Ni Luh Wiwik Sri Rahayu Ginantra, Wayan Gede Suka Parwita
Human internal organs cannot be observed directly in routine classroom learning, while SMP Negeri 2 Langke Rembong has only two physical teaching aids for a large number of students. This study developed an Android-based markerless Augmented Reality (AR) application as an interactive learning medium...
Proceedings Article
BiLSTM-Based Named Entity Recognition for Itihasa Digital Heritage: Towards Cultural Tourism Information Services
Ni Luh Wiwik Sri Rahayu Ginantra, Ni Made Novi Sintya Dewi, Wayan Gede Suka Parwita
The Mahabharata and Ramayana are central Itihasa narratives that continue to shape literary, performative, and cultural traditions in Indonesia. Their digitization creates opportunities for cultural heritage documentation, but long narrative texts remain difficult to search and organize when entities...
Proceedings Article
Locally Driven Waste Governance in Tourism Destinations: Hybrid ISM Evidence from South Kuta, Bali
Anak Agung Putri Indrayanti, I Nyoman Arya Thanaya, I Kadek Diana Harmayani, Ida Ayu Arai Widhiawati, I Gusti Ayu Wulan Krisna Dewi
Sustainable waste management in tourism-intensive destinations requires structural understanding of governance variable priorities. This study applies hybrid Interpretive Structural Modelling (ISM) — constructing the Structural Self-Interaction Matrix from Pearson correlations on n = 170 multi-stakeholder...
Proceedings Article
Performance Analysis of Photovoltaic System for Tourism Accommodation Load in Bali Using MATLAB/Simulink and PVGIS Dataset
I Gusti Ngurah Agung Dwijaya Saputra, I Nyoman Kusuma Wardana, Ida Bagus Sugirianta, I Ketut Suryawan
Bali’s tourism sector drives significant electricity demand across small-scale accommodation facilities, yet dependence on fossil-fuel generation remains high. This study presents a simulation-based performance analysis of a photovoltaic (PV) system for tourism accommodation load in Bali, Indonesia,...
Proceedings Article
Prototype of Early Fire Detection Device at Marshalling Kiosk
Putu Agus Mahadi Putra, Kadek Amerta Yasa, I Made Purbhawa, I Wayan Teresna, Muhammad Sholahudin Sunardiyanta
Marshalling Kiosk in general is a control panel that functions to protect the electrical components inside it, the marshalling kiosk itself has a very crucial role in the switching process because the role of the marshalling kiosk is as a connection point to various equipment, usually there are also...
Proceedings Article
Tribological Performance of Green Composite Brake Pads Reinforced with Untreated Pineapple Leaf Fiber and Aluminum Chips
I Wayan Padma Yogi Asana, Komang Widhi Widantha, Risa Nurin Baiti
This study investigates the development of sustainable composite brake pad materials reinforced with mechanically extracted pineapple leaf fibers (PALF) without chemical processing and aluminum chip waste. The work was motivated by environmental and health concerns associated with conventional friction...
Proceedings Article
Agile-Driven Requirement Elicitation for Green Accounting Information Systems in Green Tourism SMEs: A Qualitative Case Study of Collab Tefa Coffee Shop
Putu Eka Suryadana, Wayan Gede Suka Parwita, Putu Raka Novandra Asta
Sustainable development has encouraged green tourism Small and Medium Enterprises (SMEs) to adopt environmentally responsible practices. However, many SMEs still lack integrated information systems to support environmental accountability because of limited financial and technical resources. This study...
Proceedings Article
Application of Eco-Enzyme to Reduce the Grounding Resistance of the Electrical Installation at Pura Luhur Dwijawarsa Malang
I Made Budiada, I Gusti Agung Made Sunaya, I Gde Nyoman Sangka, I Gusti Ketut Abasana, I Gusti Putu Mastawan Eka Putra, I Made Purbhawa
As the installations ages, the performance of the grounding system may deteriorate, potentially reducing the overall safety level of the installation. The grounding system is a critical component of electrical installations, serving to protect both personnel and electrical equipment from electric shock...
Proceedings Article
Development of an Artificial Intelligence-Based Mobile Application as a Virtual Assistant to Support Digital Transformation in the Agricultural Sector
I Nyoman Rai Widartha Kesuma, I Gusti Ngurah Bagus Caturbawa, I Made Ari Dwi Suta Atmaja, Agus Adi Putrawan
The digital transformation in the agricultural sector offers significant opportunities to improve access to agricultural information and support rice cultivation management. However, farmers still encounter challenges in obtaining information regarding agronomic techniques, pest and disease identification,...
Proceedings Article
Evaluation of the Mechanical Integrity of Bovine Bone-Based Hydroxyapatite Pellets Across Various Solution pH Levels for Filtration Media Applications
Komang Widhi Widantha, I Wayan Padma Yogi Asana, Ida Ayu Anom Arsani, Risa Nurin Baiti, Ida Bagus Gde Widiantara, I Wayan Suastawa
Bovine bone-derived hydroxyapatite (HAp) is a promising porous bioceramic material for filtration applications, but its stability under different pH conditions remains a concern. This study evaluated the chemical stability and mechanical integrity of HAp pellets after immersion in buffer solutions at...
Proceedings Article
Ergonomic Risk Factors Associated with Musculoskeletal Disorders and Fatigue among Horticultural Farmers in Agrotourism Settings
M. Yusuf, Lilik Sudiajeng, Wayan Suastawa, Hendriketa da Silva
Combining crop production with visitor-service responsibilities may intensify the physical demands placed on horticultural farmers in agrotourism enterprises. This field-based cross-sectional investigation quantified postural exposure, musculoskeletal discomfort, fatigue, and cardiovascular workload...
Proceedings Article
Experimental Investigation of Eugenol Bio-Additive on Engine Performance of RON 92 Gasoline
I Made Suarta, Adi Winarta, M. Yusuf, Putu Wijaya Sunu, I Putu Gede Sopan Rahtika, I Nyoman Gede Baliarta
This study investigates whether very small additions of eugenol can modify the performance of a commercial RON 92 gasoline in a spark-ignition engine. Eugenol was selected as a renewable oxygenated compound because its molecular structure can influence fuel oxidation and combustion behavior. Three fuels...
Proceedings Article
Design Optimization of a 3D-Printed Cross-Flow Turbine for Pico-Hydro Systems Using Computational Fluid Dynamics (CFD) Analysis
I Wayan Marlon Managi, I Nyoman Agus Adi Saputra, I Komang Rusmariadi, I Wayan Suastawa, I Gusti Ngurah Kade Mahesa Adi Wardana, Anton Nugroho
Access to electricity in rural areas with low-head water resources remains a challenge due to the limited availability of efficient and affordable pico-hydropower technologies. Cross-flow turbines are well suited for low-head applications; however, their complex geometry often increases manufacturing...
Proceedings Article
Energy Assessment of VRF Systems Integrated with ERV and DOAS under Variable Supply Air Temperatures in Tropical Office Buildings
Adi Winarta, I Kadek Dwiki Andika Putra, I Nyoman Suamir
Ventilation significantly affects HVAC energy consumption in hot-humid tropical office buildings, yet the comparative performance of energy recovery ventilation (ERV) and dedicated outdoor air systems (DOAS) under different supply air temperatures remains insufficiently understood. This study evaluates...
Proceedings Article
A Hybrid Machine Learning Approach in Educational Data Mining for Academic Risk Classification
Made Pasek Agus Ariawan, Ni Putu Eka Apriyanthi, Ida Bagus Adisimakrisna
Higher education institutions currently face major challenges in managing increasingly complex and diverse student academic data. The available data encompasses exam scores, Grade Point Average (GPA), attendance, and learning activities on e-learning platforms. If analyzed correctly, this data can serve...
Proceedings Article
Characterization of Composite PCM (Paraffin/Expanded Graphite) for Solar PV Cooling Application
I Kadek Ervan Hadi Wiryanta, Putu Darmawa, Ketut Bangse
This study develops a composite phase change material (PCM) for the use of solar photovoltaic thermal management. The composite PCMs utilized in this study were paraffin wax (FRW-52) as the base PCM and expanded graphite (EG) as the filler to the PCM. The composite PCM was synthesized by melting paraffin...
Proceedings Article
Empowering MSMEs in Punia Urban Village Mataram City through Website Optimization and Digital Content Training to Enhance Digital Promotion
I Nyoman Rai Widartha Kesuma, I Wayan Candra Winetra, Luh Gede Putri Suardani, I Putu Astya Prayudha, Ida Bagus Adisimakrisna Peling
This community service program aims to enhance the digital promotion capacity of Micro, Small, and Medium Enterprises (MSMEs) in Punia Village, Mataram City, through website optimization and digital content creation training. Although a website had previously been established as an information and promotion...
Proceedings Article
On-Device Deployment of Optuna-Optimized YOLOv8n via Flutter for Real-Time and Explainable Cocoa Pod Disease Detection
I Putu Oka Wisnawa, I Made Dwi Jendra Sulastra, Putu Manik Prihatini, I Made Agus Oka Gunawan, Ni Luh Putu Listya Dewi, Ni Wayan Widyasari Damayanti
Deep learning-based cocoa pod disease detection models achieve high accuracy on GPU-accelerated infrastructure, yet are rarely validated for on-device deployment in the bandwidth-constrained smallholder plantations where they are most needed. This study deploys a previously published Optuna Bayesian-TPE-optimized...
Proceedings Article
Optimization of the Rotary Circular Model for Rice Transplanters to Enhance Planting Efficiency and Performance
Made Ardikosa Satrya W, A. A. Pradnyana Diputra, I Wayan Suma Wibawa, I Made Anom Adiaksa, I Komang Kantun
Rice farming in Bali remains heavily dependent on traditional hand-planting, requiring substantial labor and time while driving up production costs. Previous research introduced a circular rotation-based rice planter that showed improved planting patterns over manual methods, yet limitations persisted...
Proceedings Article
Integrating Rebound Hammer Testing into Structural Reanalysis for Capacity Assessment of Existing Reinforced Concrete Buildings
I Nyoman Ardika, I G. A. Arie Krismayanti, Putu Ryan Priyatna
Existing reinforced concrete buildings often require structural assessment due to aging, changes in building function, uncertainties in construction quality, or the unavailability of reliable construction records. This study proposes an Integrated Structural Assessment Framework (ISAF) that transforms...