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International Conference on Wireless and Telematics (ICWT)

作者： Syaiful Ahdan Eki Ahmad Zaki Hamidi Sampurna Dadi Riskiono Ridha Muldina Negara Ratna Mayasari Suci Ramadona Ade Nurhayati Adi Sucipto Jupriyadi Galih Nugraha Nurkahfi Dzata Farahiyah Muchammad Naseer Faculty of Engineering & Computer Science Universitas Teknokrat Indonesia Lampung Indonesia Electrical Engineering Department UIN Sunan Gunung Djati Bandung Bandung Indonesia School of Electrical Engineering Telkom University Bandung Indonesia Elearical Engineering Study Program Politeknik Caltex Riau Riau Indonesia Faculty of Engineering Institut Teknologi Telkom Jakarta Jakarta Indonesia National Research and Innovation Agency (BRIN) Bandung Indonesia Faculty of Industrial Technology Universitas Islam Indonesia Yogyakarta Yogyakarta Indonesia Informatics Department Sekolah Tinggi Teknologi Bandung Bandung Indonesia

Many different industries are currently making substantial use of the Internet of Things (IoT). IoT is the process through which electronic devices communicate with their surrounding virtual environment by continuously exchanging data via sensors. Due to increased IoT security concerns, digital forensic investigators now possess greater knowledge and abilities to investigate IoT devices. IoT-DigFor are required in terms of cybercrime due to the rapid growth in the number of electronic devices and the collection and consumption of enormous amounts of data. IoT systems with billions of devices have produced a significant amount of evidence, which presents a significant challenge to digital investigators and practitioners who must connect with IoT devices to conduct fast and thorough investigations into cybercrimes. This article presents detailed information about forensics in the IoT environment. The IoT forensic paradigm and the challenges that design-based security requirements and IoT system security offer for IoT-DigFor are covered in great detail at the beginning of the article.

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An alternative model of retaining walls on sandy area to prevent landslides 4

An alternative model of retaining walls on sandy area to pre...

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4th International Conference on Earthquake engineering and Disaster Mitigation, ICEEDM 2019

作者： Mazni, Deni Irda Doctoral Program Dept. of Civil Eng. Faculty of Engineering Andalas University Indonesia Civil Engineering Study Program Universitas Dharma Andalas Indonesia

Landslide is one of the potential disasters that can take life and material. A way to reduce disaster risk in slopes is to improve slope stability. A challenge in improving slope stability is how to make soil retaining walls that are simple, quickly built, and workable in the process. This research focuses on laboratory tests of gravity, segmental, and pre-cast retaining walls in sands. The tested models are slopes with different segmental, pre-cast, gravity walls made of un-reinforced concrete for static loads. The slope failure patterns were observed with their load variations. There are two wall models segmental. Each segmental wall observed a collapse pattern that occurred behind the wall. Static loading is carried out step by step until collapse occurs in the segmental wall. Observations and defects are carried out during the load process until the segmental wall collapses. This research shows that segmental pre-cast retaining walls with specific models and sizes can be selected to support certainly given loads to prevent slope failure. © 2020 The Authors, published by EDP Sciences.

关键词： Landslides

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Blue carbon dynamics in mangroves and conservation of their services in the Coral Triangle Ecoregion, Southeast Sulawesi, Indonesia 2

Blue carbon dynamics in mangroves and conservation of their ...

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2nd Workshop on engineering, Education, Applied Sciences and Technology, WEAST 2020

作者： Analuddin, Kangkuso Kadidae, La Ode Muhammad Yasir, La Ode Septiana, Andi Syahrir, La Rahim, Saban Pratama, David Fajar, L.D. Abdul Nadaoka, Kazuo Biotechnology Study Program Halu Oleo University Kendari Indonesia Chemistry Study Program Halu Oleo University Kendari Indonesia Marine Science Study Program Halu Oleo University Kendari Indonesia Fisheries Science Postgraduate Program Halu Oleo University Kendari Indonesia Geography Study Program Halu Oleo University Kendari Indonesia Chemistry Science Postgraduate Program Halu Oleo University Kendari Indonesia Marine and Fisheries Faculty Sebelas November University Kolaka Indonesia Dept. of Trans-disciplinary Science and Engineering Tokyo Institute of Technology Japan

Coral triangle eco-region is hotspot of coastal blue carbon, and contributes to the global carbon cycling. This study aimed to elucidate the blue carbon dynamics in mangroves and their importance services as source of blue carbon in the coastal zone of coral triangle ecoregion. The blue carbon content in mangrove sediment was analyzed, while blue carbon production and its export frommangroves leaf litterfallwasestimated. The results showed that the blue carbon content in mangrove sediment was significantly higher in deep of 40-50 cm than other layers(P © 2021 Published under licence by IOP Publishing Ltd.

关键词： Carbon

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Identification of Beef Freshness Using Linear Discriminant Analysis (LDA) Algorithm and Extraction of HSV Values

Identification of Beef Freshness Using Linear Discriminant A...

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Electronic and Electrical engineering and Intelligent System (ICE3IS), International Conference on

作者： Riduwan Napianto Agung Tri Prastowo Agung Deni Wahyudi Wajiran Yohanes Egi Pratama Yudoutomo Arico Ayani Suparto Faculty of Engineering and Computer Science Universitas Teknokrat Indonesia Bandarlampung Indonesia Information Technology Education Study Program STKIP PGRI Situbondo Situbondo Indonesia

ISBN: (纸本)9781665465427

To determine the quality of beef, it is usually seen using a flashlight and matching it with a predetermined color standard. However, this method is time consuming and the results are inconsistent due to human visual limitations. This study aims to identify the freshness of beef based on its color characteristics using feature extraction method with HSV and LDA method for identification. The identification process begins with the transformation process from RGB images to L*a*b, then image segmentation serves to separate one object from another and image identification uses the LDA method with feature extraction using HSV. The use of color feature extraction with the HSV algorithm to assist in obtaining information from the colors contained in the image for easy identification. Furthermore, the LDA algorithm has a function to obtain the maximum projection to obtain a smaller dimensional space so that the desired patterns can be separated through the boundary line of a linear equation so as to form a certain class or group. Based on the test results using the confusion matrix, it produces a precision value of 80%, recall of 84%, and accuracy of 82%.

关键词： Visualization Image segmentation Image color analysis Shape Feature extraction Mathematical models Linear discriminant analysis

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Wind farm sites selection using GIS and multi-criteria analysis: The case of Sumba Island - Indonesia

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AIP Conference Proceedings 2024年第1期2744卷

作者： Zul Afief Akbar Dewi Kania Sari Geodetic Engineering Study Program Faculty of Civil Engineering and Planning Institut Teknologi Nasional Bandung Indonesia

Renewable energy has grown rapidly nowadays. One of them is wind energy which also has been developed in Indonesia. One of the major technical challenges for wind energy development is to locate the areas with high suitability for placing wind farms, so finding suitable locations is critical for the economic success of wind farm operation. In the past few decades, Geographic Information Systems (GIS) have been widely used to assist for locating suitable sites for wind farms. In this study, GIS and multi-criteria decision analysis were used to select the suitable location for the wind farms in Sumba Island, Indonesia. There were five criteria used in the method, including distance to road, population density, wind potential, land use, slope, and added with exclusionary areas. The weighted overlay was used as the method to find the suitability wind farm sites with the concerns of geospatial layers related to the criteria. The resulted suitability map for the wind farm development in the study area gave five categories of suitability levels: unsuitable, very low, low, medium and high. Research results showed that around 21.5% area of Sumba Island fell into medium and high suitability levels. The method used in this study, if used with care, can be applied to other areas with a similar background.

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Thermal comfort relation to air temperature data characteristics in Ternate

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AIP Conference Proceedings 2024年第1期2838卷

作者： Muhammad Tayeb Mustamin Andi Alauddin Sayyid Quraisy Architecture Study Program Faculty of Engineering Universitas Khairun Ternate North Maluku 97791 Indonesia Architecture Study Program Faculty of Engineering Universitas Tompotika Banggai Central Sulawesi 94711 Indonesia

The amount of heat transferred within a building defines its level of comfort. The data’s conformance to the SNI (Indonesian National Standard) thermal comfort zone can be utilized as a reference for the outside air temperature data’s features. This study aims to provide an overview of the idiosyncrasies associated with data on outside air temperature in the Ternate region. Daily, weekly, and monthly intervals of 30 minutes are used to group the data. Additionally, the mean value, standard deviation, data volume, maximum value, and minimum air temperature value are tabulated. The graphic illustration comprises a polynomial equation line generated from the average value and the data correlation coefficient value of the resulting equation (R). The data illustrate the characteristics of air temperature in 2021, with April having the highest maximum and January having the lowest minimum.

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Twenty years of e-learning in health science: A bibliometric

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Procedia Computer Science 2023年 216卷 604-612页

作者： Fairuz Iqbal Maulana M. Aldiki Febriantono Dwi Risza Budi Raharja Khaeruddin Ridho Herasmara Computer Science Department School of Computer Science Bina Nusantara University Jakarta 11480 Indonesia Diploma III Electronic Technology Vocational Study Program University of Muhammadiyah Malang Indonesia Electrical Engineering Faculty of Science and Technology Raden Rahmat Islamic University Malang Indonesia

Education about health sciences has historically been limited in the curriculum of health professionals and largely inaccessible to the public. In practice, most of the health science education is still running conventionally. Supposedly with the advancement of technology and the use of the internet everywhere, learning such as e-learning can be important, especially in the health sector. Until this research was conducted, only 514 academic documents about e-learning in health sciences were found for 20 years from 2001 to 2020, obtained in searching on the Scopus database. This study presents a comprehensive overview of studies related to E-learning in the Health Sciences sector. This study uses bibliometric analysis and indexed digital methods to map scientific publications throughout the world. This research employs the Scopus database to gather information, as well as the Scopus online analysis tool and Vosviewer to show the bibliometric network. The method consists with five stages: determining search keywords, initial search results, refinement of search results, initial compilation, and data analysis. Among the most published and indexed articles by Scopus, papers published by researchers in the United States have the highest number of publications (80), followed by United Kingdom (63) and Australia with 45 academic publications. The processed data shows the pattern and trend of increasing the number of international publications in E-learning in Health Sciences field, which Scopus index.

关键词： e-learning health science bibliometric vosviewer education

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An assessment of potential infiltration areas to support groundwater supply system in Jagakarsa, South Jakarta, based on Multi-Criteria Decision-Making (MCDM) analysis

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Case Studies in Chemical and Environmental engineering 2024年 10卷

作者： Suprapti, Suprapti Kusuma, Muhammad Syahril Badri Kardhana, Hadi Cahyono, Muhammad Doctoral Program of Civil Engineering Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Jl. Ganesha No. 10 Jawa Barat Bandung 40132 Indonesia Study Program of Civil Engineering Faculty of Engineering Universitas Mercu Buana Jakarta Jl. Meruya Selatan No. 01 Kembangan Barat Jakarta 11650 Indonesia Water Resources Engineering Group Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Jl. Ganesha No. 10 Jawa Barat Bandung 40132 Indonesia Civil Engineering Department Faculty of Engineering and Sciences Ibnu Khaldun Bogor University Jl. Sholeh Iskandar Km. 2 Kota Bogor Jawa Barat 16162 Indonesia Research Center for Ecohydrology Ecohydraulics and Engineering Science Bandung Jl. Babakan Jeruk 1 No. 100 Jawa Barat Bandung 40132 Indonesia

Jagakarsa is an urban area in South Jakarta, Indonesia, that uses groundwater for raw water because there are no clean water supply facilities. The significant increase in the need for clean water due to increasing urbanization threatens groundwater availability to maintain the balance of the surrounding environment. Natural conditions with a deep layer of clay and a dense built environment further increase runoff capacity because water has difficulty seeping into the soil. The intense extraction of groundwater without balancing groundwater recharge results in land subsidence. Until now, there has been no research on this issue. Thus, our research is necessary. This research aims to assess the potential of groundwater infiltration areas in Jagakarsa. Due to limited data, as a first step, we used a qualitative model with MCDM analysis (AHP and MIF methods) integrated with GIS to map potential groundwater recharge areas. The AHP method is explained in detail with a matrix system formula, readers can understand the calculation steps more easily. This study uses five influencing factors: geological formation, land use, slope, rainfall, and soil type. The results show that most study locations have low potential (AHP 74.49 % and MIF 75.25 %) for groundwater recharge. This groundwater recharge potential map was validated using groundwater level measurements. The accuracy of the AHP is 74.51 %, and the MIF method reaches 75.26 %. Therefore, further research is needed to obtain appropriate and effective technology for maintaining groundwater availability. © 2024 The Authors

关键词： AHP-MIF-GIS Groundwater Jagakarsa-South Jakarta MCDA Potential infiltration area

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Telematics and Its Multimedia Applications: A Bibliometric Evaluation Over the Last Two Decades and a Half

Telematics and Its Multimedia Applications: A Bibliometric E...

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International Conference on Wireless and Telematics (ICWT)

作者： Agus Juhana Rin Rin Nurmalasari Nurhidayatulloh Nurhidayatulloh Aprellia Anggraeni Ayung Candra Padmasari Maya Purnama Sari Multimedia Education Study Program Universitas Pendidikan Indonesia Bandung Indonesia Department of Electrical Engineering UIN Sunan Gunung Djati Bandung Indonesia Faculty of Technology and Vocational Education Universitas Pendidikan Indonesia Bandung Indonesia

The development of telematics technology is increasing rapidly and this capability is supported by multimedia devices or even telematics that supports the development of multimedia itself. For instance, in the configuration of telematics with websites to control air traffic with a voice communication system, multimedia applications serve as devices for monitoring the use of this technology. Consider the research trends, this study aims to evaluate the current development and trends of research on telematics and its multimedia applications through bibliometric analysis over the last two decades and a half (1999–2023). Several publication characteristics were analyzed, including the most cited articles in this field. This study uses data from the Scopus database to evaluate the productivity, impact, countries, research institutions, authors, and research performance of journals based on the impact factor, citation counts, and h-index. According to the result, the annual number of publications on this topic fluctuates but tends to increase, with Germany being the most prolific country producing articles in this field. Additionally, the most researched telematics and its multimedia applications and most cited lists offer insight into the future. This is the first study to use bibliometric analysis to evaluate research on telematics and its multimedia applications and is expected to be useful for telematics researchers by identifying potential research directions. In addition, this research serves as a valuable resource for future researchers and practitioners. However, improvements can be made by incorporating additional analysis, such as content analysis.

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Developing an android-based performance assessment instrument for hot Stone SPA course

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AIP Conference Proceedings 2024年第1期3145卷

作者： Mausa Agrevinna Ma’Rifani Fitri Arisa Elok Novita Cosmetology Study Program Faculty of Engineering Universitas Negeri Yogyakarta Yogyakarta Indonesia

This study aimed to 1) investigate the concepts of an android-based instrument for assessing performance in Hot Stone Spa course and 2) assess the feasibility of the instrument. This study was conducted based on the ADDIE design (Analysis, Design, Development, Implementation, and Evaluation). The feasibility test was carried out by means of questionnaires distributed to experts at educational evaluation, teaching materials, and media. Moreover, another questionnaire was filled out by lecturers and students (users). The subject of this study was Cosmetology students taking the Asian SPA course. The results of this study show that the product feasibility percentage is 88.49, so it is assumed that an android-based assessment instrument is highly feasible to use.

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