Samsul Arifin

Institut Teknologi Sains Bandung · Sains Data

Abstrak Pendidikan sangat berarti bagi kehidupan manusia dalam ruang lingkup pendidikan yang luas menjadi penopang bangkitnya sebuah bangsa, untuk itu kualitas pembangunan sumber daya manusia menjadi faktor utama penentu kemajuan suatu bangsa. Salah satu upaya dalam tolok ukur kualitas, yaitu dengan mengetahui tingkat kualitas siswa yang dimiliki o...

The amount of people that have been participating in an academic conference has been increasing every year, this also applies to the academic conferences itself where currently a considerable amount of people has been having difficulties finding a specific conference that they are looking to join. Many people that are having difficulties believe th...

Materi yang digunakan dalam penelitian ini adalah konsep matriks dan aljabar vektor yang dapat membantu dalam menyelesaikan sistem persamaan linear yang terbentuk dari perhitungan jarak antara satelit dan receiver di bumi. Jarak ini adalah panjang vektor. Penyelesaian sistem persamaan linier ini berupa titik yang menunjukkan letak benda di muka bum...

Using 3D printing in education research will continue to grow over the next few years, according to experts. It may be seen in a broad variety of scientific fields as well. An examination of 1,384 3D printing research articles published in 793 scientific journals and authored by 5,438 authors was conducted in this study (103 single-authored documen...

This study aims to analyze the development and contribution of research on the topic of ANOVA (Analysis of Variance) using the bibliometric analysis method. ANOVA is a statistical method used to compare the means of three or more groups. Through bibliometric analysis, we explore articles published in journals related to ANOVA within a certain time...

Recent research trends in bibliometric analysis using the ARIMA method have attracted the attention of many researchers in this field. The findings and conclusions of this study provide a deeper understanding of the application of the ARIMA method in bibliometric analysis, as well as provide recommendations for further research in developing analyt...

The prediction of project completion time, which is important in project management, is only based on an estimate of three numbers, namely the fastest, slowest, and presumably time. The common practice of applying normal distribution through Monte Carlo simulation in Program Evaluation and Review Technique (PERT) research often fails to accurately...

Java Island holds the highest record of landslide events in Indonesia. In 2021, the Bogor area, consisting of the city and regency of Bogor, recorded the highest number of landslides. These events further impact the fatalities, damage, and loss to society. Landslide mitigation should be considered to reduce the risk caused by landslide hazards. In...

This study aims to test the effectiveness of using Maple software in mathematics learning, especially in improving students’ mathematical understanding of the concept of integral calculus. This research is based on students’ learning difficulties in understanding the concept of integral calculus, area, and volume of rotating objects. The learning u...

Vaccination against COVID-19 has already become the focus central in preventing the enhancement of COVID-19 cases. Governments in each country are trying to spread vaccination equally in society, including Indonesia. Implementation vaccination in Indonesia is distributed from the government center to each government area, with the hope community in...

Registration of a new product is one of the tiring jobs if done manually. A company's product registration process starts with collecting registration data and finally obtaining a Marketing Permit Number (NIE) certificate. Unfortunately, the process of getting NIE is not done just once but repeatedly. This is what makes researchers develop a system...

Walmart is a company that has a base for producing and distributing products. The development of the supply chain that is currently developing makes Walmart should know and understand the latest issues or challenges that the company faces in managing its supply chain. This study aims to analyze the use of optimal strategy or planning for Walmart so...

Mathematical understanding is one of the five essential skills in learning mathematics. It is essential to develop this mathematical understanding ability to solve problems in real life by applying the mathematics they understand. This study aimed to find out how the mathematical understanding ability of Tuton students in the Statistics Method clas...

Indonesia has an important role as a global fishery source country. Therefore, food security in the field of fishery products as an export commodity needs to receive great attention to maintain the acceptance of Indonesian fishery products in export destination countries. In this comparative study, data collected from laboratory tests on fishery ex...

Diabetes mellitus has no remedy at the moment. Diabetes mellitus is a fatal condition that can lead to heart failure, kidney disease, unhealed wounds, and other consequences. Precautions are one option that can be used to combat this condition. Using artificial intelligence, this project aims to develop an early detection system for diabetes mellit...

The development of the national industry towards a better industry has a qualitative descriptive category using primary data to analyze the development of industrial waste treatment in Indonesia. This paper discusses the development of the national industry on the results of research showing that to realize industrial processing, a strong foundatio...

The hustle culture has become an increasing phenomenon in recent years. Especially among millennials who have such high enthusiasm and work ambition that questions arise about their motivation in carrying out a frenzied culture. Besides, can a culture of bustle at work lead to productivity? This study discusses the relationship between a Huslte cul...

At the end of 2019, the coronavirus or COVID-19, which attacks the respiratory system and can spread quickly, was first discovered in the city of Wuhan, China. There are many impacts caused by COVID-19, one of which affects the psychological health of the community and individuals. The purpose of this literature review is to find out the importance...

Text encryption is one of the techniques used to maintain the confidentiality of information in digital communications. In this study, we propose to apply a combination of the Unimodular Hill Cipher and RSA methods to a text encryption algorithm using the Python programming language. The Unimodular Hill Cipher method uses an unimodular matrix to re...

In Indonesian business environments, vital information required for operations is often available from centralized sources or through direct connection with relevant departments. Despite accessible information channels, stakeholders such as customers, business owners, and other parties frequently contact organizations directly to request confirmati...

Landslide is one of the most highly frequent natural hazards that can bring serious casualties. One of the most susceptible landslide regions in Indonesia is Bogor area (the Regency and City of Bogor), which records the highest landslide events in the Province of West Java, Indonesia. An assessment of landslide susceptibility is one of the mitigati...

The lack of comprehension of students’ mathematical ideas spurred this study’s application of a learning strategy that can enhance that knowledge, namely Matematika GASING (Gampang, Asyik, dan Menyenangkan) learning. This study aims to investigate the description of increasing the ability to understand mathematical concepts of students who learn to...

One of the measurements for evaluating time series forecasting performances is the mean square error (MSE). This paper proposes an algorithm to find the smallest MSE. To capture the four components of the time series data (namely, seasonal variation, trend variation, cyclical variation, and random variation), the exponential smoothing method was us...

ESRI is a company that provides application services in the field of Geographic Information System. The main problem in this company is that there is no tracking process for sales employees who are working outside. On the other hand, the manual tracking process is also a concern. In this research, the author makes My Trackmap, a web-based applicati...

Landslides in geothermal areas are one of the environmental challenges that are attributed to their volcanic and hydrothermal systems. However, the inventory of landslides in geothermal areas remains considerably limited. This may implicate pitfalls, where characterisation of historical events is an essential practice in disaster risk management. A...

Stunting is regarded as a harmful and concerning health issue in many developing countries. According to the World Health Organization, Indonesia ranks third in Southeast Asia in terms of stunting prevalence, with East Nusa Tenggara having the highest prevalence rate, 40.3%. The number of children is increasing every year and it is related to nutri...

Background: In the current era of technology, information security is increasingly important. The growth of technology leads to a higher level of threat to the security of data and information dissemination, and cryptography is a valuable protective tool. Aim: The primary objective of this research is to enhance text security through the fusion of...

As the times develop, where almost every aspect of human life goes hand in hand with technology and is also influenced by technology-forcing various parties, both from a company and individuals, to implement technology in business practices or daily needs. As the global economy has entered the Industry 4.0stage, which means traditional manufacturin...

The increase in Covid-19 is increasingly significant, especially in Jakarta. The increase in Covid-19 cases in Jakarta today touched 849,843 new cases as of August 30, 2021. The high increase in Covid-19 cases is due to the presence of this new variant of the Covid-19 virus, namely the lambda variant which is more deadly than the previous Covid-19...

Learning with traditional methods, which tend to be much one-way communication, is no longer relevant to today’s era where students are digital native generations. Therefore, more interactive learning is needed by involving technology. The on going distance learning is the right time for teachers to use more interactive learning using technology an...

The mathematical understanding ability is one of the abilities that must be mastered by students in mathematics learning. One of the actions that can be taken to improve the mathematical understanding ability is to use Learning Cycle 7E Model. The 7E stands for Elicit, Engage, Explore, Explain, Elaborate, Evaluate, and Extend. This research was to...

Recall that a group G is called cyclic if there is an element a in G such that G is equal to a to the power of n where n is integers. Such an element a is called a generator of G. If a subset H of a group G is itself a group under the operation of G, we say that H is a subgroup of G. Moreover, an integer a has a multiplicative inverse modulo n if a...

Study results cognitive be one of the indicators you want to be achieved in learning math. reality based on results data 2018 PISA study, 2019 National Examination results in Indonesia, and results from observation at SMP Negeri 2 Curug, it is known that achievements results study cognitive students still are in category low. Because of that, the g...

Visual thinking in the picture not only stimulates creativity but also enriches higher order thinking skill processes. It indicates that there is a connection between visual-spatial and logical-mathematical intelligence. The purpose of this study is to find out is there a linear connection between visual-spatial intelligence and logical-mathematica...

Learning outcomes are abilities students possess after learning in cognitive, affective, and psychomotor abilities. Learn-ing with an inquiry approach and a scientific approach can be an effort to support student learning outcomes. This study investigated whether there was a difference in the average learning outcomes of junior high school students...

The teacher is an essential factor in implementing learning and evaluating learning. So, teacher competence absolutely must be owned and developed by a teacher. One of the learning evaluation activities implemented by the government is the National Assessment. This study aims to determine the effectiveness of teachers’ abilities in preparing nation...

Social media moderation is a crucial component to establish healthy online communities and ensuring online safety from hate speech and offensive language. In many cases, hate speech may be targeted at specific gender which could be expressed in many different languages on social media platforms such as Indonesian Twitter. However, difficulties such...

The target audience for this scientific paper's writing is anyone who is interested in the statistical information that will be used to create a method for determining the separation between two coordinate points. Given that as technology advances, a growing number of applications will make use of geolocation data for economic purposes, such as pro...

Stocks are one of the attractive investment instruments for companies and individuals to raise their finances. However, there are volatility of stocks made risk for the investor. Statistical tools offer a approach to predict the stocks price to minimize the risk.. This model is the best because it has the second smallest AIC value, which is 874.42,...

Options are legal contracts that give the right to buy/sell the underlying instrument at a specific price and time. For most types of Options, traditional calculation techniques are very difficult to use due to the complexity of the instruments. For this reason, the research intends to create a calculation system that can determine the price of Eur...

Natural Language Processing (NLP) is a field of computer science and linguistics that explores how computers interact with human (natural) language. NLP is frequently seen as a subfield of artificial intelligence, and its research area overlaps with computational linguistics. Machine translation, natural language text processing and summarization,...

A ring is one of the most essential structures in abstract algebra. There exist rings in the evolution of abstract algebra that contain "abnormal" members, particularly nilpotent elements. The existence of radicals of rings was inspired by this. Radical Jacobson is one of the most popular radical rings. Rump presented braces in 2007, and interestin...

Obesity problems have actually come to be a worldwide epidemic that has increased since 1980, with significant repercussions for health and wellness in young adults, adults, and youngsters. Obesity problems are an issue that has actually been expanding steadily which is why daily appear new studies entailing youngsters' excessive weight, specifical...

This research aims to propose a safe digital video data alternative employing symmetric cryptography and an encryption technique using Partition. The Hill Cipher method requires a square key matrix with an inverse modulo the unimodular matrix is one of the unique matrices with an inverse. The encryption mechanism is modulo matrix multiplication, wi...

High dimensional data provide a major problem to supervised learning. In identifying high dimensional data, the learning models usually exhibit overfitting and become less understandable. One way to find the ideal features on high-dimensional data implemented feature selection on dataset Feature selection is one of the crucial aspects on data prepr...

Abstrak: The security of digital images is becoming increasingly important due to the widespread use of image transmission through networks. Therefore, encryption is necessary to protect the confidentiality and integrity of digital images. In this paper, a new digital image encryption algorithm is proposed by combining multiple Hill ciphers, unimod...

The LSB method in steganography usually only uses the last bit or the last few bits that are the same for all pixels. This is very easy to solve by using a bitwise shift left operation so that the last bit becomes the leading bit (MSB). Some techniques combine steganography and cryptography through two different processes. In this study, a new tech...

COVID-19 is caused by the novel coronavirus SARS-CoV-2. First started in Wuhan, COVID-19 has spread everywhere, including Indonesia. COVID-19 can cause severe pneumonia, severe acute respiratory distress syndrome (ARDS) symptoms, and multiple organ failure. According to the WHO, COVID-19 generally has an incubation period of 5–6 days, ranging from...

One of the most widely used machine learning methods, Long Short-Term Memory (LSTM), is particularly useful for time series prediction. In this study, we carried out a bibliometric analysis against publications about LSTMs to identify trends and contributions of researchers in the development of machine learning technology. We collect bibliometric...

Many people need soft files of their important documents. One of the technological sophistications that are currently developing is to use a smartphone camera to photograph a document. However, the results from the photo are not like the results with a precision-shaped scanner. Based on this, we developed a program that can improve the quality of a...

This study aims to describe the various capabilities of the simmer package on R, especially in running a discrete event simulation model of a circular system, then develop a DES simulation model building technique, which is effective and can represent real systems well, and explore the simulation output on this simmer, both in statistical summary f...

The encryption algorithm is very important to guard the confidentiality of audio information. One of the most effective audio encryption algorithms is to use a unimodular matrix and Bernoulli function. In this research, we develop an audio encryption algorithm that uses a unimodular matrix and a Bernoulli function. This algorithm is implemented usi...

The development of digital image technology has experienced rapid development, both in terms of the development of models and algorithms used as well as the quality and results of the management process carried out. Utilization of digital image management can be used in classifying the condition of vacant land in certain areas. A high level of urba...

Bibliometric research has an important role in identifying trends, topics, and influences of a field of study through quantitative analysis of scientific publications. One of the popular data grouping algorithms in bibliometric analysis is Fuzzy C-Means (FCM). However, most bibliometric studies using FCM rely only on grouping the data without condu...

Infections caused by protozoan parasites can cause serious health problems. Malaria infection is an infection with the most recorded infection cases in the world as reported by World Health Organizer (WHO) which has reported cases of Malaria infection in 2020 experienced a significant increase from the previous year. There were 241 million global c...

This study presents a bibliometric and bibliographic review of the studies of technology-assisted inquiry-based learning (IBL). A bibliometric approach using VOSviewer was used to conduct this study. 191 eligible and included documents published between 1999-2022 from the Scopus database were analysed using some main analyses such as performance, c...

Android is the world's most popular system of operation. In the Android system, communication applications can be installed, for example, Facebook Messenger, which is one of the most popular communication applications with 988 million active users. As a medium for communication and data exchange, the Facebook Messenger application may be misused by...

The sophisticated of technology make easy and fast while transfering or saving digital information. There are so many techniques to encrypt data, especially digital image. The algorithm that be use in usually need a long time, although the data was goodly encrypted. But there is better if the encryption time faster with good security. Chaos functio...

Predictive Maintenance (PdM) is an adoptable worth strategy when we deal with the maintenance business, due to a necessity of minimizing stop time into a minimum and reduce expenses. Recently, the research of PdM is now begin in utilizing the artificial intelligence by using the machine data itself and sensors. Data collected then analyzed and mode...

The creating process, how it works and the performance of the detection system using Artificial Intelligence. The development of this innovation contributes to the Heavy Equipment Workshop of the Jakarta State Polytechnic to detect the early potential for work accidents. The methods are device tuning, inputs, training models, performance, trials an...

This research is based on the traditional architecture phenomena closely related to ideas in the field of mathematics. One of them is the historical building in Central Java - Indonesia, Borobudur Temple. This research aims to investigate how a mathematical model based on cellular automata is in Borobudur Temple. The research used a descriptive qua...

To date, COVID-19 and its variants have been among the greatest hindrances for humanity. This disease is spreading rapidly and almost all parts of the world are currently exposed to it. The ability to understand and simultaneously predict the dynamics of daily confirmed cases of this disease is essential to prevent and mitigate the impact of the pa...

One of the cryptographic approaches is the Hill Cipher. A square key matrix must have an inverse modulo in the Hill Cipher algorithm. The unimodular matrix is one of the special matrices that has an inverse. In the encryption process, a unimodular matrix can be utilized as a key matrix. The goal of this study is to demonstrate a safe digital image...

PT Pertamina Trans Kontinental (PTK) is a state-owned maritime company in Indonesia. PTK's vision and mission are to combine innovation with a dedication to digitization. As a result, we created the ShipXR Augmented Reality (AR) application to carry out that commitment and support business activities. The applications have been tested on a variety...

Social media is an effective tool for connecting with people and distributing information. However, many people often use social media to spread hate speech and abusive languages. In contrast to hate speech, abusive languages are frequently used as jokes with no purpose of offending individuals or groups, even though they may contain profanities. A...

Providing high-order thinking skills is one of the main goals in the 21st-century learning concept which aims to form toughness and high-quality thinking skills in analyzing, evaluating, and looking for alternative solutions to the problems at hand. One of the efforts that can be made to improve teacher competence in the 21st-century learning conce...

This study aims to investigate the influence of principal leadership and organizational commitment on teacher performance. This study uses quantitative research and questionnaires as data collection instruments. Purposive sampling was used with a group of 100 mathematics teachers from Salatiga’s State Junior High Schools. This research employs a mu...

Mathematical problem-solving skills are needed in various aspects of life because of their relationship when making decisions that are most effective in solving problems. Learning with the Model-Eliciting Activities (MEAs) approach can be an effort to support students’ mathematical problem-solving abilities. The purpose of this study was to investi...

In this article, we will design a computer program to solve graph colouring and to visualize the variation of exam scheduling modelling at Binus University in graphs based on the Welch and Powell Algorithm. A vertex colouring of graph G = (V, E) is an F: V → N mapping where the adjacent vertex are different colours in N, i.e. if the edge (u, v) are...

Self-confidence is very important for students to actualize their potential and information on the level of student confidence is very helpful for teachers as a basis for decision making, as well as providing feedback to improve the learning process. This study aims to investigate whether there is a positive and significant relationship between sel...

One way to measure the wealth of a nation is by measuring its citizen's purchasing power. The higher the purchasing power, the better. It means that people can consume more products with the same level of wealth. One way to measure purchasing power is by measuring how much people can purchase their essential staple, in this study, egg. Furthermore,...

To avoid citizen disputes, hate speech on social media such as Twitter must be automatically detected. The current research in Indonesian Twitter has been focusing on developing better hate speech detection models, however there is limited study on the explainability aspects of hate speech detection. The fundamental concepts for this challenge are...