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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Paramita: Historical Studies Journal Jurnal Tapis : Jurnal Teropong Aspirasi Politik Islam Journal of Economics, Business, & Accountancy Ventura Gadjah Mada International Journal of Business Among Makarti Journal of Indonesian Economy and Business Jurnal Manajemen Dayasaing Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Jurnal Ekonomi & Kebijakan Publik The Journal of Educational Development Jurnal Surya Medika Conference SENATIK STT Adisutjipto Yogyakarta Jurnal Sisfokom (Sistem Informasi dan Komputer) KACANEGARA Jurnal Pengabdian pada Masyarakat IJID (International Journal on Informatics for Development) Majalah Ilmiah Pengkajian Industri Jambura Journal of Informatics Economics and Finance in Indonesia Jurnal Ilmu Manajemen dan Akuntansi Terapan Jurnal Informatika dan Rekayasa Elektronik Jurnal Ilmiah Edunomika (JIE) Wacana Publik Jurnal Humaniora Teknologi JISA (Jurnal Informatika dan Sains) JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) TIN: TERAPAN INFORMATIKA NUSANTARA Jurnal Humaniora Teknologi Jurnal Pengabdian Masyarakat Indonesia Journal Industrial Manufacturing Jurnal Rekayasa, Teknologi, dan Sains Pengabdian Kampus: Jurnal Informasi Kegiatan Pengabdian Pada Masyarakat Jurnal Janitra Informatika dan Sistem Informasi International Journal Software Engineering and Computer Science (IJSECS) Automotive Experiences Utsaha: Journal of Entrepreneurship Jurnal Informatika Teknologi dan Sains (Jinteks) Paradigma Khuluqiyya: Jurnal Kajian Hukum dan Studi Islam Malcom: Indonesian Journal of Machine Learning and Computer Science Acitya Wisesa: Journal of Multidisciplinary Research Journal of Internet and Software Engineering Jurnal Yoga Dan Kesehatan Jurnal Media Borneo Jurnal Informatika: Jurnal Pengembangan IT CHAIN: Journal of Computer Technology, Computer Engineering and Informatics Journal of Information Technology, Software Engineering and Computer Science Barigas: Jurnal Riset Mahasiswa Jurnal Ekonomi dan Pembangunan Indonesia Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) Perwira Journal of Economics and Business (PJEB) Tapis : Jurnal Penelitian Ilmiah Jurnal Abdi Rakyat
Tri Widodo
Sekolah Tinggi Ilmu Ekonomi AMA Salatiga
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ANALISIS PANGSA PASAR DAN DAYA SAING CPO INDONESIA DI UNI EROPA Widyaningtyas, Dian; Widodo, Tri
Jurnal Manajemen Dayasaing Vol 18, No 2 (2016): Jurnal Manajemen Daya Saing
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/dayasaing.v18i2.4510

Abstract

Commodities of palm oil play a strategic role in the Indonesia’s economy. In this study we concern on the competitiveness of Indonesia’s Crude Palm Oil (CPO) industry and effectiveness of the potential market for Indonesia’s CPO in Uni Europe (UE). The utilization of CPO as biofuels, encouraging an significant increased of demand for CPO in UE. This study is also addressed to determine the Indonesian CPO performance among other palm oil producer country. We used the revealed comparative advantage (RCA) and market share index (MSI) methods in analysing the competitiveness level. Our results showed, in 2014, export performance of Indonesia’s CPO increased. It was showed by the value of RCA 1. Indonesia has competitiveness of CPO, because of the increased export volume of CPO and it’s derivates product to the major importer countries, such as UE. However, the average of RCA analysis in 2007-2014 indicate the lower performanceof Indonesia’s CPO exports compared to the other main CPO exporter, Malaysia. Thus, from the MSI analysis we found that Italy is a potential market for Indonesia’s palm oil exports, based on the fact that Indonesia’s CPO dominated the Italian market in the last seven years. The value of Indonesia’s market share was far above the competitor.
CHARACTER RECOGNITION FOR INDONESIAN LICENSE PLATE BY USING IMAGE ENHANCEMENT AND CONVOLUTIONAL NEURAL NETWORK Bismantoko, Sahid; Rosyidi, M.; Chasanah, Umi; Suksmono, Adityo; Widodo, Tri
Majalah Ilmiah Pengkajian Industri Vol. 14 No. 2 (2020): Majalah Ilmiah Pengkajian Industri
Publisher : Deputi TIRBR-BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/mipi.v14i2.4198

Abstract

Many Intelligent Transport System technology have been applied in real world problems such as traffic monitoring, parking management, toll collection, law enforcement. ALPR system is one of the ITS technologies that is widely applied, however this ALPR system can not produce faultless recognition yet, especially for Indonesia license plate. In this research, image enhancement and Convolution Neural Network are proposed to the character recognition. The dataset used in this research are Indonesia license plate. The first step is train dataset to recognize character and evaluate the model with recall, precision, and f-1 score from test dataset. The model achieves accuracy and loss just over 0.99 and just below 0.01 on validation dataset respectively.Key Words : ALPR; ITS; Recall; Precision; F-1 Score; Accuracy; Loss.
A COMPARISON PRE-TRAINED MODELS FOR AUTOMATIC INDONESIAN LICENSE PLATE RECOGNITION Bismantoko, Sahid; Rosyidi, M.; Chasanah, Umi; Haryono, Asep; Widodo, Tri
Majalah Ilmiah Pengkajian Industri Vol. 15 No. 1 (2021): Majalah Ilmiah Pengkajian Industri
Publisher : Deputi TIRBR-BPPT

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Abstract

Automatic License Plate Recognition is related to the Intelligent Transportation System (ITS) that supports the road's e-law enforcement system. In the case of the Indonesian license plate, with various colour rules for font and background, and sometimes vehicle owners modify their license plate font format, this is a challenge in the image processing approach. This research utilizes pre-trained of AlexNet, VGGNet, and ResNet to determine the optimum model of Indonesian character license plate recognition. Three pre-trained approaches in CNN-based detection for reducing time for a build if model from scratch. The experiment shows that using the pre-trained ResNet model gives a better result than another two approaches. The optimum results were obtained at epoch 50 with an accuracy of 99.9% and computation time of 26 minutes. This experiment results fulfil the goal of this research. Keywords : ALPR; ITS; CNN; AlexNet; VGGNet; ResNet
PERFORMANCE FACTORS OF GUIDANCE TEACHERS/COUNSELORS Retnaningdyastuti, Sri Rejeki; Sugiharto, DYP; Widodo, Tri; Widodo, Joko
The Journal of Educational Development Vol 1 No 1 (2013): June 2013
Publisher : Universitas Negeri Semarang

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Abstract

The objectives of this study are to analyze to what extent the factors affect the performanceof guidance teachers/counselors and to find the factors that greatly influencethe performance of guidance teachers/ counselors. The population consistedof 239 guidance teachers/counselors of Junior High Schools in Semarang. Thesample consisted of 200 guidance teachers/ counselors, selected by using a proportionalrandom sampling technique. The data were collected by using closed selfassessmentquestionnaires. The result of the try-out of the questionnaires showedthat 144 items were valid and reliable. Structural Equation Modeling Applications(SEM) through LISREL was used to analyze the data. The findings showed that 1)pedagogical competence, work motivation, supervision and school culture affectthe performance of the guidance teachers or counselors, and 2) pedagogical competenceand school culture have great effect on the performance of the guidanceteachers/counselors
Perkembangan Tingkat Pengembalian Investasi Pendidikan Antar-Provinsi: Indonesia Family Life Survey 1993–2014 Hendajany, Nenny; Widodo, Tri; Sulistyaningrum, Eny
Jurnal Ekonomi dan Pembangunan Indonesia Vol. 17, No. 1
Publisher : UI Scholars Hub

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Abstract

This study traces the evolution of return to education using large samples from Indonesia Family Life Survey (IFLS). This study apply Mincer Model to find rate of return to education. The rate of return to education decrease from 1993 to 2014 in Indonesia. Interestingly, the declining rate for return to education for men is much larger than for women. Return to education is considerably heterogenic across province and gender. Furthermore, the rate of women is larger than men. Finally, this study find potential experience have not different from 1993 to 1997, but have increased in 2000 and 2014.
Deploying SMS Gateway in the Design and Development of Web and Mobile Academic Information Systems using the Waterfall Method Al Fansyah, Fajar; Widodo, Tri
International Journal Software Engineering and Computer Science (IJSECS) Vol. 3 No. 3 (2023): DECEMBER 2023
Publisher : Lembaga Komunitas Informasi Teknologi Aceh (KITA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijsecs.v3i3.1770

Abstract

: The integration of technology in various sectors, beyond its common application in the gaming industry, has extended to the field of education. This evolution mandates parallel progress in academic institutions to keep pace with technological developments. A significant challenge identified was the reliance on manual accounting methods at SMAN 1 Kejobong, which includes teacher management, staff, and assistant administration, as well as processing student learning data. Outdated practices often lead to inaccuracies and inefficiencies, resulting in time-consuming data collection and potential losses for all stakeholders. To overcome this problem, it is proposed to implement a comprehensive information system or e-learning platform. However, the implementation of e-learning in educational institutions often encounters obstacles due to user discomfort or incompatibility with the institution's needs. This study validated all system features through Black box Testing and user satisfaction assessments, resulting in an average satisfaction level of 73.7%. The expected outcome is increased efficiency and accuracy in academic processes and student management, thereby facilitating a more effective learning and teaching environment.
Peningkatan keterampilan komputer bagi Siswa SDN 1 Sinduadi Sleman Ratnawati, Dwi; Tri Untoro, Iwan Hartadi; Vivianti, Vivianti; Hardiyantari, Oktavia; Fatmawati, Soraya; Widodo, Tri; Avianto, Donny
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 6, No 3 (2023): Agustus
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/kacanegara.v6i3.1615

Abstract

Perkembangan teknologi informasi dan komunikasi mengusai semua bidang, terutama bidang Pendidikan. Kegiatan ujian berbasis paperless diwajibkan pemerintah dilakukan oleh semua sekolah. Banyak siswa yang belum memiliki kemampuan dalam komputer dasar sehingga mereka kesulitan dalam mengerjakan ujian dalam bentuk paperless. Permasalahan tersebut diselesaikan dengan mengadakan pelatihan Peningkatan Keterampilan Komputer bagi Siswa SD N 1 Sinduadi, Sleman yang dilakukan selama dua minggu. Pelaksanaan ini dilakukan dengan pendampingan dari tim dosen Universitas Teknologi Yogyakarta. Kegiatan ini dilakukan untuk mengatasi kesulitan siswa dalam mengoperasikan komputer dasar. Hasil dari pelaksaan ini adalah  78% siswa mampu meningkatkan kompetensi mengoperasikan komputer dasar dengan baik, dan 22% belum dapat menguasai komputer dasar dengan baik
Theoretical Experiments on Road Profile Data Analysis using Filter Combinations Karmiadji, Djoko Wahyu; Rosyidi, M.; Widodo, Tri; Zaenal, Harris; Nurdam, Nofriyadi; Kadir, Andi M.; Hidayat, Sofwan; Bismantoko, Sahid; Pramana, Nurhadi; Winarno, Winarno
Automotive Experiences Vol 6 No 3 (2023)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.9901

Abstract

Identification of road profiles is needed to provide the input of automotive simulation and endurance testing. The analysis with estimation methods is mostly done to identify road profiles. The main goal of analysis methods is to obtain the data of vertical displacements due to road profile measurement. The acceleration data is obtained from measuring road profile by using 4 sensors of accelerometer placed on each car wheel. The measuring data is converted to be vertical displacement data by using a "double integrator", however, it is not easy to get accurate results since the signal obtained carries a lot of noise and it is necessary to design the right filter reduce the noise. In this study, the signal filtering methods reducing the noise were used Fast Fourier Transform (FFT) and Kalman Filter (KF) combination. Experiments were carried out by combining Fast Fourier Transform and Kalman Filters using an input signal with unit (volt) in the time domain. In addition, this research focused on preparing the survey data that has been obtained by eliminating the noise to convert becoming the displacement input data for providing the loads of automotive simulation testing.
Predicting the Number of Forest and Land Fire Hotspot Occurrences Using the ARIMA and SARIMA Methods Santoso, Angga Bayu; Widodo, Tri
Jurnal Sisfokom (Sistem Informasi dan Komputer) Vol 13, No 1 (2024): MARET
Publisher : ISB Atma Luhur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32736/sisfokom.v13i1.2018

Abstract

Forests are an area and part of the environmental cycle that is very important for survival because forests are areas on Earth that regulate the balance of the ecosystem. Forest fires rank second only to illegal logging in Indonesia's list of forest destruction causes. Forest fires can occur due to two factors, namely natural and human factors. Therefore, the hotspot factor that can cause forest fires is an independent variable. The population of hotspots in the West Kalimantan region in 2020 amounted to 1,416 spots. This study aims to predict the number of hotspot occurrences on land and forests that cause fires before the fires spread and are challenging to overcome or extinguish. The method to indicate the number of hotspot occurrences uses the Autoregressive Integrated Moving Average (ARIMA) and Seasonal Autoregressive Integrated Moving Average (SARIMA) methods. Modeling ARIMA (0,1,1) and SARIMA (0,1,1) (2,2,1)12 obtained Root Mean Square Error (RMSE) evaluation results for ARIMA of 6.61 while SARIMA of 7.61. The ARIMA's Mean Squared Error (MSE) evaluation value is 43.70, and the SARIMA is 58.05. Based on these results, it can be concluded that the ARIMA model provides excellent and accurate performance in describing the trend of hotspot events that will occur in the future with a smaller RMSE value compared to SARIMA.
MENUMBUHKAN WORK ENGAGEMENT DOSEN DI KOTA SALATIGA DENGAN MEMPERHATIKAN OCCUPATIONAL STRESS DAN DI MEDIASI PSYCHOLOGICAL WELL BEING SAAT PANDEMI COVID-19 Barkhowa, Mokhammad Khukaim; Widodo, Tri
Jurnal Ilmu Manajemen dan Akuntansi Terapan (JIMAT) Vol. 11 No. 2 (2020): Jurnal Ilmu Manajemen dan Akuntansi Terapan (JIMAT)
Publisher : Sekolah Tinggi Ilmu Ekonomi Totalwin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (861.425 KB) | DOI: 10.36694/jimat.v11i2.298

Abstract

Work engagement is a recent issue in the management of human resources. Work engagement is defined as a positive and satisfying mental state related to work characterized by vigor, dedication, and absorption. The purpose of this study was to analyze the effect of job stress on job involvement through psychological health which is an intervening variable. Sampling in this study using the Slovin formula means 42 respondents. Sampling using incidental sampling combined with snowball sampling techniques. The data analysis used multiple linear regression models, simple linear regression and single test. The results of the hypothesis of work stress have a statistically significant and negative effect on job involvement, psychological well-being has a positive and significant effect on job involvement, job stress has a statistically negative and significant effect on psychological health, job stress has an effect on job involvement through psychological well-being as a variable. intervening.
Co-Authors AA Sudharmawan, AA Abdul Jamil Abila, M.Rizki Adam Qowiy, Okghi Adi Prasetyo Aditia Yudhistira Adityo Suksmono, Adityo Al Fansyah, Fajar Alexandra, Francisca Diana Alfian, Ganjar alwiyanti, namira anjany Angeline Novia Toemon, Angeline Novia Anggraini, Weli Anhar, Khansa Hanifah Aniyatussaidah Annisa Rahmadita Arif Rahman Jabal Arini Ratnasari Arnilia, Okma Arshad, Muhammad Waqas Aryani, Wiwin Asyadi, Dodi Austin Bertilova Carmelita, Austin Bertilova Azhara, Lulu Bambang Sugiantoro Bismantoko, Sahid Chasanah, Umi Dian Mutiasari, Dian Djoko Widodo Donny Avianto Duddy Roesmana Donna Duddy Roesmara Donna Dwi Ratnawati, Dwi DYP Sugiharto, DYP Elvanisa Ayu Muhsina, Elvanisa Ayu Emanuel, Andi W. R. Eny Sulistyaningrum Fachry Abda El Rahman Fadilah, Aidil Risqi Fardiansyah, Ismail Fatma, Nur Fadilah Fauzi Fahlefi, Muhamad Ferdiansyah, Ismail Fitrady, Ardyanto Frimantama, Yohanes Putra Furtuna, Dwi Klarita Gufron, Ali Gunawan, Rakhmat Dedi Hanafi, Hanan Hanasia Hardiyantari, Oktavia Harris Zaenal, Harris Haryono, Asep Haryono, Diajeng Akbar Hendajany, Nenny Herlina Eka Shinta Hidayat, Ahmad Tri Hidayat, Sofwan Ina Purwantini Rahayu Inarae, Gabriella Irman maulana Ishak, Sahrial Ihsani Joko Pramono Kadir, Andi M. Karmiadji, Djoko Wahyu Khabibi , Akhmad Khaerunisa, Unis Khusyaini, Ahmad Komara, Nisa Kartika Kuntoro, Hizkia Fernando Kurnia kusuma wardani Lestarisa, Trilianty Lutfi, Mohamad Anwari Luthfiyah, Hilda Marliah, Dinda Mauludi, Putri Nabila Mayesti, Freya Ekklesia Midiawati Mokhammad Khukaim Barkhowa Muhammad Edhie Purnawan Muhammad Syafrudin Muinah, Siti Nararya Budiyono Natalia Sri Martani Ni Putu Wiwin Setyari Nugraha, Aditya Bagas Nugroho, Rendy Febry Nur Widiastuti Nurdam, Nofriyadi Nurfianto, Sigit Nurochman, Rizal Sofyan Patricia, Tisha Permatasari, Silvani Pita Sari, Nita Ponda, Henri Pramana, Nurhadi Puspita, Maria Entina Putra S, Ravenalla Abdurrahman Al Hakim Sampurna Rosyidi, M. Rosyidi, Mohammad Ryan Randy Suryono Salenda, Rivangga Samosir, Angelika Samsubar Saleh Santoso, Angga Bayu Sari, Seftin ludfita Setiawan, Feny Setiawan, Muhamad Anjas Setiawan, Muhammad Ilham Setioko, Sigit Setioko, Sigit Setyawan, Andri Sie Motik Nainggolan, Michael Sitohang, Megawati Soraya Fatmawati Sri Rejeki Retnaningdyastuti, Sri Rejeki SUHIRMAN SUHIRMAN Sukmawati, Ade Irma Syahlarriyadi, Syahlarriyadi Syamsuddin Hasrito, Eko Syamsul Arifin Tatwa, I Gusti Nyoman Agung Bisma Teresa, Astrid Tri Untoro, Iwan Hartadi Trisia, Adelgrit Triwidadi, Kurniawan Adhisukma Ula, Syarifatul Ulum, Faruk Umi Salamah Utami, Dwi Jasela Veronica, Anna Marthea Vivianti Vivianti Wahdan Wahyu Widodo Wahyudi, Agung Deni Waluyo, Bambang Suhardi Warmin Warmin, Warmin Widiarti, Astri Widodo, Faradila Widyaningtyas, Dian Wiharta, Trisna Winarno Winarno YULI WIJAYANTI Yuliani, Ni Nyoman Sri Zahara, Tomi Zebua, Sukriyadin