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All Journal Jurnal Teknologi Informasi : Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Jurnal Teknika : Jurnal Teoritis dan Terapan Bidang Keteknikan JOINTECOMS (Journal of Information Technology and Computer Science) Diteksi : Jurnal Pengabdian Kepada Masyarakat
Agus Sehatman Saragih
Universitas Palangka Raya
Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mechanical Engineering

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APLIKASI SENTIMENT MONITORING UNTUK TWITTER DENGAN ALGORITMA NAIVE-BAYES CLASSIFIER Ade Chandra Saputra; Agus Sehatman Saragih
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 15 No. 1 (2021): Jurnal Teknologi Informasi : Jurnal Keilmuan dan Aplikasi Bidang Teknik Inform
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v15i1.1902

Abstract

Every day there are millions of opinion spread across social networks. This is often utilized by various parties to determine the opinion and sentiment of the public towards the product, brand or figures that they hold. Given the abundance of data and opinions, it is not possible to do sentiment analysis manually. In this research, author performs design and implementation of sentiment monitoring application, that could monitor people’s sentiment about a particular keyword, so it is known how the people response to those keywords, whether positive, negative or neutral. From various existing social networks, Twitter is chosen as the source of data that will be monitored. Classification algorithm used here is Naive-Bayes Classifier with Boolean Multinomial model, and feature extraction using unigram word. The training data used is 400,000 data for each type of sentiment, so the total is 1.200.000 data. In the process of classification and training, application will  perform  stemming  to  take  the  root  words  contained  within  the  tweet. Stemming algorithm used here is Confix Stripping. The  methodology  of  application  development  that  used  here is  staged delivery. Implementation of application is done using PHP programming language. The result of this research is a sentiment monitoring application that can monitor public sentiment about a particular keyword in a particular time frame. From testing using k-fold cross validation, obtained accuracy rate for sentiment classification amounted to 85%.
Implementasi Multi-Mikrokontroller pada Mobile Robot sebagai Pengendali Kecepatan dengan Kendali PID Agus Sehatman Saragih
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 8 No. 2 (2014): Jurnal Teknologi Informasi Jurnal Keilmuan dan Aplikasi Bidang Teknik Informati
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v8i2.1485

Abstract

Mobile robot navigation system with wall follower method as the motion reference, usingultrasonic sensors in tracking rooms and avoid obstacles / hindrances. The number of ultrasonicsensors are used, can facilitate the robot navigation. PID control is used to control the motor speedmobile robot. Rotary encoder is a sensor that can be used to calculate the rotational speed of theactuator (dc motors).Microcontroller as the main control has the workload to perform distance calculations(ultrasonic sensor) at the same speed calculation actuators / motors (rotary encoder). The calculationprocess in real-time and continuous. Application of multi-microcontroller applied to reduce theworkload of the main microcontroller / Master. Slave microcontroller is used for the implementationof PID control.Motor rotational speed by measuring the duty cycle motors pulse are less effective, it can beseen from the values of speed on each trial setting point analog PWM. Motor speed conversion canuse another method such as a frequency-to-voltage conversion and use a voltage analog to digitalconverter (ADC) to get the present value (PV), so the data 8-bit digital-to-analog converter (DAC)directly compared with the 8-bit data analog to digital converter (ADC).
PEMANFAATAN TEKNOLOGI SISTEM INFORMASI MANAJEMEN KLINIK MATA TAMBUNG BUNGAI KOTA PALANGKA RAYA PROVINSI KALIMANTAN TENGAH ade chandra saputra; Agus Sehatman Saragih
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 16 No. 1 (2022): Jurnal Teknologi Informasi : Jurnal Keilmuan dan Aplikasi Bidang Teknik Inform
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v16i1.3592

Abstract

Currently, health services in Indonesia have developed rapidly. To realize excellent service to patients, health care facilities must be able to form a good and structured health management system and subsystem. The health information system occupies an important position because it serves as the backbone for collecting, transmitting, processing, analyzing and publishing information as well as providing feedback to stakeholders at all levels. Tambun Bungai Palangka Raya Eye Clinic has not yet implemented a computer-based information system. Based on the results of interviews, carrying out various operational activities that collect, store, and process data, all of which are still done manually. As in the data collection section for new patients and medical patients who register at the clinic, it is still done by writing on paper, storing patient medical record data which is written in a simple way in the medical record ledger, and check payments that are not processed and stored correctly so that proof of payment can occur. fraud, as well as searching for the entire data that is still manual takes a long time. This designed system has the aim of managing existing data in the clinic with more practical storage media. For patients, the discussion includes registration of new patients and patients for treatment, patient medical record data, drug prescriptions, treatment, and payments. Meanwhile, the clinic staff includes data on clinic staff and scheduling of working hours. The information generated is in the form of reports of patients who come for treatment, reports of clinic staff's work schedules, and income reports. The management information system at the Tambun Bungai Eye Clinic is expected to help partners in the clinical management process in order to create a more excellent service.
KLASIFIKASI RATING APLIKASI ANDROID DI GOOGLE PLAY STORE MENGGUNAKAN ALGORITMA GRADIENT BOOST Ade Chandra Saputra; Agus Sehatman Saragih
Jurnal Teknika: Jurnal Teoritis dan Terapan Bidang Keteknikan Vol. 6 No. 1 (2022): Jurnal Teknika: Jurnal Teoritis dan Terapan Bidang Keteknikan, Oktober 2022
Publisher : Fakultas Teknik Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52868/jt.v6i1.7891

Abstract

Semakin banyaknya aplikasi Android yang tersedia di Google Play Store dengan keuntungan yang didapatkan pengembangnya telah menarik perhatian banyak pengembang aplikasi Android. Untuk mendapatkan keuntungan dari mengembangkan aplikasi Android, salah satu caranya adalah dengan mengetahui karakteristik aplikasi berrating tinggi di Google Play Store. Penelitian ini akan menyelidiki fitur size, installs, reviews, type gratis/bayar), rating, category, content rating, dan price pada aplikasi di Google Play Store untuk mengetahui karakteristik aplikasi berrating tinggi. Penelitian ini menggunakan algoritma Gradient Boost untuk mengidentifikasi fitur yang paling berpengaruh pada aplikasi dengan rating tinggi di Google Play Store. Pada tahap preprocessing, penelitian ini menggunakan metode data cleaning dan data reduction. Penelitian ini menggunakan feature important untuk mengetahui atribut yang paling berpengaruh pada rating tinggi aplikasi Android di Google Play Store. Untuk mengklasifikasi aplikasi berrating tinggi penulis menggunakan algoritma Gradient Boost.
Rancang Bangun Palangkaraya Digital Services Berbasis Android Ramadhani, Aditya Ananda; Widiatry, Widiatry; Pranatawijaya, Viktor Handrianus; Christian, Efrans; Saragih, Agus Sehatman
Journal of Information Technology and Computer Science Vol. 4 No. 1 (2024): JOINTECOMS : Journal of Information Technology and Computer Science
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jointecoms.v4i1.13115

Abstract

Kemajuan pada dunia teknologi informasi pada dewasa ini telah merambah berbagai bidang, tidak terkecuali di bidang pemerintahan. Pembahasan yang muncul yang berkaitan antara pemerintahan dan komunikasi adalah online Government yaitu pemanfaatan teknologi informasi pada bidang pelayanan masyarakat dengan tujuan untuk mempermudah dan efisien untuk masyarakat atau organisasi atas informasi dan pelayanan pemerintah. Salah satu cara mengembangkan online Government yaitu penerapan digital services yang mencakup berita terkini dan lain-lain. Salah satu pemanfaatan pengembangan system layanan publik di pemerintahan adalah memanfaat dan mengimplementasi system digital services. System digital services berbasis android diperlukan sebagai media informasi bagi pemerintah seperti dalam pemberitahuan harga komoditas, berita terkini, tindak lanjut laporan masyarakat dan lain-lain. System digital services sangat diperlukan sebagai bentuk dalam melaksanakan pemerintah berbasis E-government dan sebagai pusat informasi bagi masyarakat terlebih lagi mendukung program dari Pemerintah Kota Palangka Raya dalam program smart city. Dengan latar belakang demikian, maka dirancang dan dibuat aplikasi untuk membantu terselenggaranya E-government dan layanan informasi bagi masyarakat berbasis android. adapun judul Skripsi adalah “Rancang Bangun Palangkaraya Digital Services Berbasis Android”.
Analisis Kinerja Load Balancing Webserver Menggunakan Haproxy Terintegrasi Dengan Grafana Sebagai Monitoring Dan Notifikasi Telegram Pentanugraha, Elsan; Saragih, Agus Sehatman; Christian, Efrans
Journal of Information Technology and Computer Science Vol. 4 No. 1 (2024): JOINTECOMS : Journal of Information Technology and Computer Science
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jointecoms.v4i1.13191

Abstract

Di era digital saat ini, Website sangat penting bagi organisasi atau perusahaan. Namun, semakin banyak pengunjung pada Website, semakin besar beban server. Ini dapat membuat server menjadi lambat atau down. Solusi untuk masalah ini adalah load balancing. Haproxy adalah perangkat lunak open-source yang bisa digunakan sebagai load Balancer. Monitoring platform yang digunakan dalam penelitian ini adalah Grafana yang memantau sumber daya server secara real-Time dan menyediakan visualisasi data yang mudah dipahami. Tujuan penelitian ini adalah menganalisis kinerja pada load balancing Web server, memberikan gambaran kinerja Haproxy sebagai load balancing dalam menangani beban berat pada Web server, dan memberikan solusi alternatif untuk meningkatkan kinerja Web server. Tahapan dalam penelitian ini peneliti melakukan analisis kebutuhan, perancangan topologi, implementasi, dan pengujian Web server menggunakan Apache JMeter. Penelitian ini menggunakan Apache JMeter untuk menguji keandalan dan stabilitas Web server saat menangani lonjakan permintaan yang besar pada skenario single server dan Load balancing. Peneliti melakukan pengujian kinerja load balancing Web server dengan beberapa parameter yaitu throughput, Response Time, error rate, memory utilization, dan CPU utilization. Berdasarkan analisis dan penelitian yang dilakukan tentang kinerja load balancing pada Web server menggunakan HAProxy dan integrasi dengan Grafana sebagai Monitoring serta notifikasi Telegram, dapat disimpulkan bahwa Grafana yang terintegrasi dengan HAProxy efektif sebagai alat Monitoring performa Web server yang memberikan visualisasi data yang jelas dan mudah dipahami. Hal ini memudahkan proses analisis dan evaluasi performa Web server. Penggunaan load balancing juga meningkatkan ketersediaan server dalam menangani permintaan, terbukti dengan penurunan persentase kegagalan server secara drastis.
Pemanfaatan Teknologi Aplikasi Pengelolaan Keuangan BUM Desa di Desa Malawaken Kecamatan Teweh Baru Kabupaten Barito Utara Saputra, Ade Chandra; Agus Sehatman Saragih; Deddy Ronaldo
Diteksi : Jurnal Pengabdian Kepada Masyarakat Vol. 1 No. 2 (2023): Diteksi, Vol. 1, No. 2, November 2023
Publisher : Fakultas Teknik Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/diteksi.v1i2.11425

Abstract

This service aims to study and implement innovative and effective financial management applications for Village-Owned Enterprises (VE). Good financial management is key to advancing the village economy and improving community welfare. Involving surveys, interviews and analysis of VE Desa needs related to financial management, this service also involves VE managers and Village Apparatus. The activity plan consists of planning, implementation, socialisation and evaluation. The planning stage included initial discussions with VE managers for application functionality and identification of application components based on needs. As a result, an application was designed that includes transaction recording, data processing, and structured financial report preparation. Training for VE managers on the application and financial management was conducted. VE managers were active in the implementation to ensure compliance. The results show that the application can be used well by VE managers from the data input stage to the output of VE financial reports. It is expected that this application supports the active role of VE in the village economy, creating jobs, and improving community welfare.
SISTEM PENDUKUNG KEPUTUSAN SISWA TERBAIK PADA SMP NEGERI 1 ARUT UTARA DENGAN PENERAPAN METODE SIMPLE ADDITIVE WEIGHTING BERBASIS WEBSITE Anggeraeni, Natasya; Licantik, Licantik; Saragih, Agus Sehatman
Journal of Information Technology and Computer Science Vol. 4 No. 3 (2024): JOINTECOMS : Journal of Information Technology and Computer Science
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jointecoms.v4i3.19179

Abstract

Dalam pemilihan dan penetapan siswa terbaik di SMP Negeri 1 Arut Utara masih menggunakan sistem penilaian secara manual sehingga mempersulit pihak sekolah dan membutuhkan waktu yang lama. Dengan menggunakan cara manual dikhawatirkan tidak mencapai kriteria yang diinginkan oleh sekolah dan rentan terhadap kesalahan manusia (human error). Sehingga sistem pendukung keputusan mempunyai peran membantu proses seleksi agar lebih cepat, serta mengurangi kesalahan dalam menentukan siswa terbaik. Dalam merancang dan membangun Sistem Pendukung Keputusan (SPK) dengan menerapkan metode Simple Additive Weighting (SAW) untuk menentukan siswa terbaik di SMP Negeri 1 Arut Utara Berbasis Website ini, analisis bisnis proses system lama dan baru digambarkan menggunakan Flowchart. Desain alur data sistem menggunakan Data Flow Diagram (DFD) dan Entity Relationship Diagram (ERD), bahasa pemrograman yang digunakan adalah bahasa pemrogaman PHP dan database menggunakan MySQL. Dan pengujian validitas dilakukan dengan menggunakan metode RMSE, MAE dan MAPE untuk menguji perhitungan yang dihasilkan oleh sistem sehingga dalam pengujian ini nanti diperoleh kepastian bahwa sistem sudah berjalan dengan akurat. Dari hasil penelitian didapat bahwa Sistem Pendukung Keputusan (SPK) dengan menerapkan metode Simple Additive Weighting (SAW) untuk menentukan siswa terbaik di SMP Negeri 1 Arut Utara Berbasis Website menghasilkan data yang dapat membantu dalam proses pengambilan keputusan dalam pemilihan siswa terbaik. Pemberian bobot kriteria yang digunakan mempengaruhi hasil dari perhitungan SAW, jika nilai bobot kriteria lebih besar, maka hasil perankingan akan memiliki nilai yang lebih besar juga. Penerapan sistem ini dapat mengurangi terjadinya kekeliruan pada penilaian alternatif.
PREDIKSI EMOSI DALAM TEKS BAHASA INDONESIA MENGGUNAKAN MODEL INDOBERT Saputra, Ade Chandra; Saragih, Agus Sehatman; Ronaldo, Deddy
Jurnal Teknologi Informasi: Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Vol. 19 No. 1 (2025): Jurnal Teknologi Informasi : Jurnal Keilmuan dan Aplikasi Bidang Teknik Inform
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jti.v19i1.17617

Abstract

This study aims to predict emotions in Indonesian text using the IndoBERT model. Emotions play an essential role in human communication and have a significant impact on sentiment analysis and natural language processing. In Indonesia, the lack of optimized datasets and models for emotion analysis in the Indonesian language poses a major challenge. This research utilizes IndoBERT, a BERT-based model specifically trained for Indonesian, to predict six categories of emotions: anger, sadness, happiness, love, fear, and disgust. The research methodology includes data collection from social media X, data preprocessing, emotion labeling, model training, and performance evaluation using metrics such as accuracy, precision, recall, and F1-score. Results show an overall model accuracy of 73%, with strong performance in recognizing emotions like "disgust" and "fear," although there are misclassifications in distinguishing similar emotions like "happiness" and "love." These findings indicate that IndoBERT has significant potential for emotion prediction in the Indonesian language and provides a foundation for developing more culturally relevant NLP technologies for Indonesia.
Rancang Bangun Prototype Pelacak Lokasi Dan Pemutus Arus Listrik Sepeda Motor Jarak Jauh Berbasis Website Fahmi, Khairul; Saragih, Agus Sehatman; Widiatry, Widiatry
Journal of Information Technology and Computer Science Vol. 3 No. 1 (2023): JOINTECOMS : Journal of Information Technology and Computer Science
Publisher : Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47111/jointecoms.v3i1.10800

Abstract

Motorized vehicles are an important part of the daily life of the Indonesian people. The number of motor vehicle users is increasing every year, making the crime rate of the loss of a motorcycle a news that is often heard in the community. To prevent loss, a security is needed that does not only rely on handlebar locks and padlocks on motorcycles. Based on these problems, a security system is needed that can track the location of the motorcycle using the Global Positioning System (GPS) and turn off the electric current of the motorcycle over long distances that can be monitored by users through the website. This research uses a waterfall method developed based on research needs. In the design of the hardware system used by the Arduino UNO microcontroller as a system control, the SIM808 module as a network and GPS intermediary, and the relay as an electric circuit breaker. Based on the research that has been carried out, it was concluded that the system can read the location point of the motorcycle and can decide the remote electric current that is monitored through the website. Where data transfer uses GPRS communication with HTTP protocol.
Co-Authors Ade Chandra Saputra Anggeraeni, Natasya Anorgi, Andrew Christina, Sherly Efrans Christian Elshawina, Tiara Fahrizal Maulana Gunawan, Vincentius Abdi I Nyoman Adi Putra Khairul Fahmi Licantik, Licantik Melati, Erma Nova Noor Kamala Sari Pentanugraha, Elsan Ramadhani, Aditya Ananda Ronaldo, Deddy Sahay, Abertun Sagit Sherly Christina Viktor Handrianus Pranatawijaya Widiatry, Widiatry