Herman Yuliansyah

• S.T., M.Eng.
• Lecturer at Universitas Ahmad Dahlan, Indonesia

File carving is a method for recovering files using software such as Foremost and Autopsy. The recovery is conducted for deleted files or formatted devices. Popularity Solid State Drive (SSD) has outperformed Hard Disk Drive (HDD) because SSD is faster, more efficient, and shock resistant. However, recovering SSD devices have a lower probability su...

Recovery pada SSD dianggap sulit karena tingkat keberhasilan yang rendah dalam dunia teknisi, karenanya teknik file carving yang terbaharui menjadi salah satu solusi pengembalian file yang hilang, baik dengan sengaja ataupun tidak sengaja, sehingga masih ada harapan atas file yang telah hilang pada SSD, khususnya pada SSD Sata Geniune 120GB. Metode...

The Sheikh Zayed Grand Mosque in Solo is a replica of the Zayed Grand Mosque in Abu Dhabi. Many people have provided reviews on Google Maps after visiting the mosque. This research aims to determine the sentiment results regarding visitors’ reviews by developing a sentiment analysis model using a combination of the Valance Aware Dictionary for Sent...

This study aims to utilize the multidimensional concept of green perceived value (GPV) and injunctive norms in relation to the intention to buy environmentally friendly products. This research utilized 105 questionnaires to investigate the correlation between GPV, injunctive norms, attitudes toward purchasing, and purchase intention by focusing on...

Aim: Assessing the relationship between high school student knowledge, attitudes, and behavior of students in eliminating mosquitoes. Study Design: This research employed a cross-sectional design with participant all students in Binatama Vocational Health School, Sleman, Yogyakarta. Place and Duration of Study: This research was done at Binatama He...

The waste problem is a severe problem that significantly affects the environment and public health. To effectively determine the public’s perception of the waste problem, it is necessary to examine public sentiment toward waste management. This research aims to develop a sentiment analysis model using VADER and deep-translator and analyze the Yogya...

Keputusasaan, menurunnya semangat dan tekad juang untuk kembali bangkit karena dampak pandemi COVID-19 dua tahun lalu adalah permasalahan utama dari para pegiat usaha kecil dan menengah (UKM) di Desa Ngoro-oro. Kegiatan outbound bertujuan untuk mengatasi permasalahan prioritas UKM Bangkit guna menumbuhkan semangat, tekad dan kerja sama tim baik pen...

This study aimed to assess the association between home environment and larval indices during the COVID-19 pandemic transition. A cross-sectional design was carried out in this study. The population was the houses in two villages of Gamping Sub-District, Sleman, Yogyakarta Province. The sample was calculated by considering the confidence interval v...

Malnutrition is a nutritional imbalance in a child’s body. Currently, there have been many reviews done on malnutrition in children. However, reviews on artificial intelligence linked with malnutrition are yet to be done. Thus, this study aims to identify the implementation of artificial intelligence in predicting malnutrition using bibliometric an...

Latar Belakang : Gangguan kesehatan jiwa saat ini semakin meningkat di Indonesia khususnya di Yogyakarta. Berdasarkan hasil Riskesdas 2018, prevalensi rumah tangga di DIY yang melaporkan anggota rumah tangganya mengalami gangguan jiwa berat atau psikosis adalah 10,65 per 1000 rumah tangga. Data ini meningkat signifikan dibandingkan data Riskesdas t...

Purpose This research aimed to observe the gap for improvement in dengue vector control during COVID-19, considering two stakeholders: the government and society. We formulated two research questions: 1) How is the government managing dengue vector control during the COVID-19 pandemic? 2) What is the situation of dengue disease, its vectors, and ve...

The unemployed from vocational high schools (SMK) is still high. Several factors, including the low job readiness of vocational students and the small availability of jobs, cause the high unemployment rate for vocational schools. This study aims to develop a learning model of Integrated Project Based Learning (PjBL-T) and test the effectiveness of...

The cold-start problem is a condition for a new node to join a network with no available information or an isolated node. Most studies use topological network information with the Triadic Closure principles to predict links in future networks. However, the method based on the Triadic Closure principles cannot predict the future link due to no commo...

Abstrak: Internet adalah teknologi yang dapat dimanfaatkan untuk menghadirkan solusi bagi masalah di warga masyarakat. Keberadaan sebuah sistem informasi diharapkan menjadi jembatan komunikasi sebagai implementasi dari teknologi internet ini. Namun desain sistem informasi yang memudahkan dan pendampingan penerapan sistem informasi yang baik adalah...

Zakat is one of the five pillars of Islam and is conducted by giving wealth to those who are entitled to receive it. The Lembaga Amil Zakat Infaq Sadaqah Muhammadiyah (LAZISMU) is a zakat institution in Muhammadiyah that receives and distributes zakat to its recipients. LAZISMU examines recipient data to determine several factors, including housing...

Pengangguran siswa SMK menempati jumlah tertinggi di Indonesia. Jumlah lulusan SMK yang terus meningkat akan menimbulkan permasalah baru jika tidak diimbangi dengan peningkatan mutu kesiapan kerja. Tujuan pengabdian kepada masyarakat (PkM) ini untuk meningkatkan sikap, pengetahuan, ketrampilan kerja dan pemahaman budaya kerja industri bagi guru. Pk...

The Indonesian government has implemented programs to reduce stunting by targeting several groups, including: pregnant and maternity mothers, toddlers, school-age children, adolescents, and young adults. The actions include interventions and efforts to increase knowledge among the related subject – mostly among women. These efforts must still have...

The Indonesian government has implemented programs to reduce stunting by targeting several groups, including: pregnant and maternity mothers, toddlers, school-age children, adolescents, and young adults. The actions include interventions and efforts to increase knowledge among the related subject – mostly among women. These efforts must still have...

A social network is a social structure that consists consisting of nodes, edges, or links and describes activity on a social media platform. Later, link prediction is a technique to predict new relationships for future networks based on information explored from the current network topology. Several local similarity-based methods use topological in...

Analisis jaringan penulis bersama adalah analisis jaringan sosial dalam hubungan kolaborasi ilmiah. Kolaborasi ilmiah memiliki karakteristik yang berbeda dibandingkan dengan hubungan yang terjadi di dunia nyata. kesamaan bidang kajian dalam kolaborasi ilmiah lebih mempengaruhi hubungan ini. Meskipun penulis-penulis terhubung di dunia nyata. Institu...

Clustering is a method that is used to divide the data into several groups of parts. K-means (KM) is an algorithm that is often used in clustering, only just the result of KM often times get stuck in local optima i.e. the optimal solution (both maximum or minimal) on the candidate solution in the nearest neighbor only, not the whole of all existing...

Document similarity computation is an important research topic in information retrieval, and it is a crucial issue for automatic document categorization. The similarity value is between 0 and 1, then the closest value to 1 is represented both documents is considered more relevant, vice versa. However, the large scale of textual information has crea...

Desa Ngoro-oro adalah salah satu desa di Kabupaten Gunungkidul yang memiliki potensi untuk dikembangkan menjadi desa wisata. Namun, pada masa pandemi COVID-19 penyebaran informasi wisata tidak dapat dilakukan secara konvensional. Pada program pengabdian masyarakat ini bertujuan untuk mengembangkan dan memanfaatkan platform digital untuk mendorong o...

Background: The COVID-19 vaccination movement in Indonesia until mid-2021 has still not reached the expected number, which is less than 20% of the Indonesian population who receive the first dose of vaccine. Meanwhile, the government's target for accelerating herd immunity is to achieve immunization coverage of 70% by November 2021. Several issues...

Covid-19 has had a major impact on all aspects of life and in all fields. Since Covid-19 was declared a pandemic, there have been many impacts of Covid-19 and the most pronounced impact has been on the Small and Medium Enterprises (SME) sector. The aim of this program is to provide counseling and training to increase entrepreneurial intentions in “...

Latar belakang: Usaha Kecil Menengah (UKM) Bangkit merupakan sebuah unit usaha yang didirikan oleh organisasi Kreatif dan Wisata Lokal yang ada di Desa Ngoro-oro. UKM Bangkit memiliki unit usaha kuliner berupa kripik dari sayuran, olahan singkong, olahan pisang, dan olahan potensi lokal lainnya, serta unit pariwisata. UKM Bangkit dibentuk untuk mew...

Latar belakang: Usaha Kecil Menengah (UKM) Bangkit merupakan sebuah unit usaha yang didirikan oleh organisasi Kreatif dan Wisata Lokal yang ada di Desa Ngoro-oro. UKM Bangkit memiliki unit usaha kuliner berupa kripik dari sayuran, olahan singkong, olahan pisang, dan olahan potensi lokal lainnya, serta unit pariwisata. UKM Bangkit dibentuk untuk mew...

Background: Facilitating an effective learning process is the goal of higher education institutions. Despite improvement in curriculum and resources, many students cannot graduate on time. Mostly, the number of students who graduate on time is lower than the number of new students enrolling to universities. This could dilute the chance for students...

Anak adalah investasi bangsa dan Negara di masa yang akan datang, maka programpencegahan gizi buruk sangat relevan untuk menyiapkan generasi yang unggul. Pemberian nutrisi yangtepat serta pengelolaan data nutrisi bagi balita adalah upaya melindungi balita dari gizi buruk.Kemitraan ini bertujuan untuk membantu mitra (1) menambah pengetahuan terkait...

Having the best solution for Vehicle Routing Problem (VRP) is still in demand. Beside, Cuckoo Search (CS) is a popular metaheuristic based on the reproductive strategy of the Cuckoo species and has been successfully applied in various optimizations, including Capacitated Vehicle Routing Problem (CVRP). Although CS and hybrid CS have been proposed f...

The thesis examination is the final project for students to graduate from their majors. This thesis researches scientific work between a student and a supervisor in finding solutions to a problem. In the thesis examination, students must present their research results to be criticized by the examiner. This article aims to analyze the association pa...

Fish is beneficial for the human body because it has high protein content. Consuming fish is necessary and expert knowledge is needed to identify fresh fish that are suitable for consumption. In this study, we developed a classification system to identify four classes of consumable fish by grouping fish images based on texture extraction and color...

Link prediction is a technique to forecast future new or missing relationships between entities based on the current network information. Graph theory and network science are theoretical concepts that have influenced the link prediction research. Although previous reviews clearly outlined the link prediction research, it was focused on describing p...

Salah satu kegiatan di apotek adalah menjual resep atau non-resep. Kesalahan pengobatan dapat terjadi selama penjualan obat. Salah satu penyebab kesalahan pengobatan adalah kesalahan dalam pemberian resep obat. Dengan demikian, Sistem Informasi Farmasi memerlukan fitur yang dapat membantu dalam meminimalkan terjadinya kesalahan pengobatan. Metodolo...

The schools in Mayodan sub-district have not used information technology with maximum to support learning and education activity. They need assistance in community service to train them to organize learning media using eLearning. The methods of implementing the training are tutorial or assistance, giving a module to participants, workshop and evalu...

Top 50 authors in the Science and Technology Index (SINTA) is become popular as Indonesian top 50 ranking scientists to measure both the productivity and quality of the publications. Unfortunately, to get a high ranking in SINTA, some authors are strongly indicated that they do instant and unfair ways through citation cartels or self-citation. Base...

Indonesia as a country that has a very large farm fields, nearly every resident in indonesia is as farmers of fruits and vegetables. Central Bureau of statistics noted in February 2017 that the total population of Indonesia who work as farmers there is 39.68 million or 31.86% of the population works. In the process of planting until harvest certain...

This study aimed to propose a tool for measuring the research performance of researchers, institutions, and journals in Indonesia based on bibliometrics. Specifically, the output of this measurement tool, referred to as the S-score, is described, as well as its implementation on the main database portal in Indonesia. The S-score was developed by a...

Test-driven development (TDD) is a software development process with a very short software development cycle repetition: first the developer writes the test code for defining the function, then produce the code to pass the test and finally the acceptable new code. The aim of this research is development android application with Test Driven Developm...

Abstrak Budidaya lele merupakan jenis usaha yang jika tidak direncanakan dengan matang, akan sangat merugikan usaha. Ada beberapa tahap yang perlu diperhatikan dalam merencanakan usaha budidaya lele, yaitu penyusunan jadwal kegiatan, menetapkan fasilitas fisik, dan menentukan spesifikasi pekerjaan. Dalam hal ini yang paling penting adalah penjadwal...

One of the problems in community health center or health clinic is documenting the toddlers' data. The numbers of malnutrition cases in developing country are quite high. If the problem of malnutrition is not resolved, it can disrupt the country's economic development. This study identifies malnutrition status of toddlers based on the context data...

Orang tua perlu memperhatikan kualitas dan standar kesehatan produk yang dikonsumsi oleh anaknya. Orang tua juga perlu secara cermat memperhatikan komposisi penggunaan bahan baku pada produk kemasan yang beredar dipasaran. Penelitian ini bertujuan untuk mengembangkan aplikasi web untuk penentuan nutrisi anak dengan metode fuzzy c-means. Hasil penen...

Kafe merupakan salah satu jenis usaha di bidang kuliner yang banyak diminati pengunjung. Beberapa permasalahan yang ada adalah sistem transaksi keuangan di kafe belum memanfaatkan kasir digital, hanya berupa mesin drawer. Sehingga terdapat batasan pada perhitungan transaksi. Tujuan dari penelitian menghasilkan aplikasi kasir tablet android untuk me...

Kafe merupakan salah satu jenis usaha di bidang kuliner yang banyak diminati pengunjung. Beberapa permasalahan yang ada adalah sistem transaksi keuangan di kafe belum memanfaatkan kasir digital, hanya berupa mesin drawer. Sehingga terdapat batasan pada perhitungan transaksi. Tujuan dari penelitian menghasilkan aplikasi kasir tablet android untuk me...

Permasalahan kurangnya energi protein (KEP) atau gizi kurang yang sering ditemukan terutama pada anak balita biasa disebut gizi buruk dan merupakan masalah yang sulit ditanggulangi oleh pemerintah. Balita merupakan kelompok masyarakat yang rentan gizi. Pada kelompok ini siklus pertumbuhan dan perkembangan membutuhkan zat – zat gizi yang lebih besar...

Wilayah STO Pati terdapat lebih dari 500 Distribution Point (DP). Jumlah DP yang banyak di wilayah STO Pati dan luasnya wilayah, membuat petugas kesulitan mengingat lokasi DP. Petugas sudah memiliki alat bantu Sistem Informasi Kastemer (SISKA) tetapi tidak dilengkapi peta sehingga petugas masih mengalami kendala dalam mencari lokasi DP. DP juga ber...

div class="WordSection1"> Wilayah STO Pati terdapat lebih dari 500 Distribution Point (DP). Jumlah DP yang banyak di wilayah STO Pati dan luasnya wilayah, membuat petugas kesulitan mengingat lokasi DP. Petugas sudah memiliki alat bantu Sistem Informasi Kastemer (SISKA) tetapi tidak dilengkapi peta sehingga petugas masih mengalami kendala dalam menc...

Museum Gunungapi Merapi (MGM) merupakan wahana wisata yang dirancang sebagai wahana edukasi konservasi yang berkelanjutan serta pengembangan ilmu kebencanaan gunung api, gempa bumi, dan bencana alam lainnya. Terbatasnya media informasi yang terdapat di Museum Gunungapi Merapi menyebabkan pengunjung mengalami kesulitan dalam memahami informasi dan d...

— Referring to the president’s instruction of number 3 in 2004, the transportation department has been given a project to build some managing and controlling shelters for counting and reporting the traffics. Based on an observation of landline transportation from Yogyakarta to Cirebon, the process of vehicles’s computation was done manually by usin...

The development of mobile technology can be used to optimize the communication between lecturers and students, lecturers and officer systems information and room management (SIMERU) who governing the schedule throughout course. So the problem of fastness information regarding the lecture schedule changes or replacement class schedule can be accompl...