Harco Leslie Hendric Spits Warnars

Binus University | binus · Doctor of Computer Science (DCS)

The growth in Information Technology (IT) jobs is predicted to reach 15 percent between 2021 and 2031. The growth of IT jobs has resulted in a remarkable change in all infrastructure, such as information, skills, and domains covered in IT job profiles. Unfortunately, job roles and skills in this field remain undefined. The gap between the supply an...

There have been numerous studies that discuss profiling for various subjects, including criminal profiling, consumer profiling, and employee profiling, among others. However, song profiling is a relatively rare and underexplored area. In fact, profiling songs can provide us with new insights. Dangdut, one of the most popular musical genres in Indon...

One of the Information and Communication Technology (ICT) developments used in the learning process is the Intelligent Tutoring System (ITS), and gamification can overcome boredom, lack of interest or motivation, and monotony when using the ITS. In this study, the application of ITS equipped with Gamification is called ITS + G. Currently, several s...

Background: While deepfake technology is still relatively new, concerns are increasing as they are getting harder to spot. The first question we need to ask is how good humans are at recognizing deepfakes - realistic-looking videos or images that show people doing or saying things that they never actually did or said generated by an artificial inte...

Background Heart disease is a leading cause of mortality worldwide, including in Indonesia. With millions of deaths attributed to heart disease annually, early detection and prevention are essential in reducing its impact. This study aims to address the issue of late diagnosis by focusing on early detection and monitoring of heart disease symptoms....

Software reliability is an important factor in software quality measurement, which is measured by the probability of an error-free software within the operating period within a given time period and environment. Software reliability measurements are performed at every stage of software development process to evaluate whether the software reliabilit...

To day's society is different from the past, where the speed of the internet is getting more sophisticated, and the existing gadget technology is getting faster, and of course, this is also changing the lifestyle of today's people, which of course almost half of their daily life is spent in front of gadgets. On the one hand, this is undoubtedly ver...

Sign language is the most commonly used communication medium for people who are deaf and mute. By using body movements, they can convey meaning through visual cues, not vocal cues. This type of language is learned almost exdusively by people who are deaf or dumb and those who interact with them on a daily basis. Most people do not learn it because...

In life, various challenges and problems faced by deaf people such as communication skills and other problems, including emotional, mental, and societal development However, technology is needed that can help the process. This Smart Application try to build communication between the deaf to share thoughts in group chats, including getting informati...

Disability is a complex problem affecting many lives in Indonesia, especially people with hearing impairments. Disability is also a complex phenomenon, starting from the type of disability, degree of disability, and age of persons with disabilities to interactions and environmental impacts on disability. Moreover, there are many testimonies from ar...

The presence of cryptocurrencies as means of trading and investing has presented new opportunities to make profits. Unfortunately, investment bias becomes a phenomenon that accompanies investing behavior for many people which actually results in losses and regrets. This study uses a narrative review method to identify cognitive, affective, and cont...

The ability to differentiate various products in the retail store plays an essential role to provide effectiveness to customers and reduce or even eliminate long queues. However, traditional machine learning algorithms are incapable of recognizing many subordinate categories in various retail product. This paper aims to recognize the retail product...

Currently, Indonesia and the whole world are being hit by the Covid-19 pandemic which has an impact on various fields of life. It affects all sectors, including the education sector. The government through the Ministry of Education and Culture makes a policy in education in terms of the learning process. Teaching and learning activities that were i...

A great nation is a nation that upholds the services of its predecessors, namely the nation's heroes who fought for the independence of this Indonesian state in 1945. The current generation is expected to appreciate the services of heroes by respecting this nation's history and the current generation's duty to fill this independence by continuing i...

Background: While deepfake technology is still relatively new, concerns are increasing as they are getting harder to spot. The first question we need to ask is how good humans are at recognizing deepfakes - realistic-looking videos or images that show people doing or saying things that they never actually did or said generated by an artificial inte...

Network control system (NCS) approaches for distributed closed-loop control systems have been established in industrial control. However, recent advancements in cloud computing provide scalable, elastic, and low-cost networked computing capabilities over the internet, which can be utilized as an extension of NCS, in this term, cloud-based control s...

Music has been a big part of human life since ancient civilizations, and listening to music is fun and for the benefit of humans. Over time, computer science continues to develop, and music begins to be recorded digitally and belongs to the group of unstructured data whose data needs to be managed to become structured data. Much academic work has a...

The selection of military personnel through the recruitment stage must be under planning. The calculation in this study uses the Markov Chain method with an error calculation which is the result of a comparison with the conditions of the number of recruits in the previous period so that the error value is known and can be used in the next period us...

Homeschooling is a family and environmental/informal education path. Homeschooling is the practice of instructing one's children in one's own home rather than sending them to a school or other institution that follows a more conventional model of teaching and learning in a group setting. Problems for children who follow homeschooling are related to...

Injection machines are already on the market with varying prices based on its capacity. Even the smallest machine on the market has a capacity starting from around 100 grams per second, with an expensive price starting around USD 13,000. Furthermore, the machine also has a large power consumption as well. This condition is unfavorable to the star...

Different brokers have different candlesticks. As a result, analyzing forex becomes more difficult because candles in one broker cannot be validated by candles in another. Many specific candlestick patterns are difficult to generate for all brokers, so traders' chances of winning will be reduced. Some previous studies have focused on how to identif...

Hoaxes are something that can not be avoided, especially in Indonesia, where the literacy rate in Indonesia is quite low, they are easy to believe in news without doing fact check. The worst thing is that news that is trusted by the public may not be read completely through the entire content. They believe, from the title alone could already covers...

In the current era, Artificial Intelligence (AI) and Computer Vision take the main role and participating to the people daily activities. Face Expression became as interesting topic to be explore. Face expression recognition or detection could be applied in many aspects, such as for student focus detection based on face expression, intruder de...

Due to the prospects for financial gain, forex is always attractive to many people. However, because forex market analysis is not simple, a computer is needed to assist in creating predictions using features that are understandable to people. This study employs the Multilinear Regression technique to identify these kinds of features. The features a...

A smart parking system is an application that can help users get information about the available parking spaces in a place. In a smart parking system, there are implications of several technologies that can solve problems in the parking system. The use of the Internet of Things is done by connecting sensor devices scattered in each parking lot to t...

Nowadays, technology is developing rapidly. The middle class has experienced technology such as smartphones, but unfortunately, there are still many applications that are not friendly for people with disabilities. The closest example is in Indonesia, where people with disabilities still receive less attention; all development support facilities do...

This paper reviews multistage algorithms with various concepts, and various forms of multistage algorithms are discussed after a detailed research. Previous research searches are conducted using Google Scholar and the software Publish or Perish, and carried out in three ways: the exploration of multistage algorithm publications, classification of m...

Hierarchical cluster (HC) or hierarchical cluster analysis (HCA) is a type of clustering algorithm where the algorithm will group similar objects based on their similarity to groups called clusters. The objectives are that the clusters will be as different as possible from other clusters, and the objects within the cluster are mainly similar to eac...

Scholarship assistance for children of educational age, especially during the COVID-19 pandemic, has provided some relief for some families affected by the economic turmoil during the COVID-19 pandemic, where some parents were laid off, or their parents were reduced in salary. This scholarship at least helps students to continue their dreams of obt...

The paper aims to build a mobile application in order to manage and control using power. This paper raises the theme of saving electrical energy, designed using IP addresses. A mobile application called EctroS-ID (electronic smart) as an electrical power controller. The purpose of the design is to connect electronic IP addresses such as air conditi...

Garbage is a severe problem for Indonesia in the millennial era, especially in Jakarta, the capital city. In addition, the amount of garbage in DKI Jakarta continues to increase every day, which in the end, the garbage that is clogged in waterways will cause puddles and floods during the rainy season. This paper discusses the development of a Websi...

Any type of bullying can make the victims traumatized and not all victims can overcome it without the need for professional help, particularly the teenagers who are in the vulnerable age for bullying. Hence, a mobile application named “Protect ur smile” has been created for victims who can consult with their choice of psychologists. Moreover, they...

Online transactions are significant in the pandemic era. Using online transactions can minimize the risk of physical contact with disease transmission between buyers and sellers. However, with so many choices of items, it becomes challenging for users to decide which item suits their needs. For this reason, the recommender system was created as a h...

Deoxyribonucleic Acid Primer Design is an important factor in the success of the Polymerase Chain Reaction process because it will determine the value of Guanine and Cytosine content and Melting temperature for the genome amplification process in the adequacy of research data. To get a good primer design, a simulation process is needed to get the d...

The driver's behavior and competency model is adopted from the graduate competency standards based on the Indonesian National Qualifications Framework (KKNI). The adopted component consists of 4 components. These four components are called competency units. The first unit of competence is about attitudes and values. The second unit of competence de...

Typographical errors are common in written languages, including Indonesian. It will, however, lead to a misunderstanding of the meaning of the words. Nevertheless, an Indonesian spell checker is still uncommon. Furthermore, no extensive literature review of spell checkers for the Indonesian language has been conducted. This study aimed to present e...

Career Recommendation System (CRS) is an artificial intelligence solution capable of suggesting appropriate jobs or careers based on user profiles and industry needs. This study presents a systematic literature review that focused on variant characteristics of CRS and has been implemented in the last ten years. The review found 17 studies were extr...

This study aims to find the direction and objectives of research in the current Community-based tourism (CBT) and relationship with technology domain. We Use the five phases of bibliometric analysis method, we extracted 272 documents from the Scopus database for the period 1991 to 2021 and refined keywords by adding inclusion criteria to produce 17...

We proposed a model platform that can unite all health centers in Jakarta to share data with the patient as it will benefit the patient, the health workers, and the government. When you are sick and come to the practicing doctor, you will get the same problems: queues. Besides that, you are faced with the same repeated questions such as the history...

Online learning is becoming the main teaching method since the COVID-19 pandemic. What happens after the pandemic is over? Will the online education be still going? The schools have implemented online learning systems to replace the current teaching methods to ensure the teaching and learning process keeps going. However, research have found that n...

This papar is to show the trend of increasing the weight of infants and toddlers is of particular concern to the Indonesian government. This encourages the government to avoid stunting and malnutrition that can affect babies aged 0-59 months. The Indonesian government quickly established the Integrated Health Service Post (POSYANDU) to reduce the n...

Crowdfunding has become a popular term these days, and people usually do crowdfunding to raise a certain amount of money for a specific cause. There are already many popular crowdfunding portals in Indonesia where people can send support to anyone with money. When talking about crowdfunding, most people probably think of providing support to others...

People with hearing loss in this world have not received much serious attention from the authorities. This makes these sufferers confused in choosing learning media to interact with and isolated from their social environment. This application was created to help people with hearing loss to be noticed and understood from the way they communicate usi...

The city of Jakarta is getting more and more congested and crowded by the number and types of vehicles. Lack of public awareness to use public transportation causes this congestion to worsen, especially during rush hours in the morning before going to work or school and in the afternoon when returning home. This is also caused by the lack of the go...

Health education is crucial for the community, especially the younger generation, because adolescent behavior/lifestyle will carry over into adulthood, and it is difficult to change it. This paper proposes designing and implementing a mobile application for young people for healthy lifestyle education. This mobile application implemented with the a...

Javanese culture is a culture that the Javanese own, and the Javanese have started to exist with their culture since before the era of the Majapahit kingdom, and the Javanese are famous for their ability to sail the oceans. In addition, the many temples built, which are currently historical sites, prove that the Javanese are a large ethnic group th...

This paper discusses the design and implementation process of mobile applications used by nurses to communicate with the elderly or with people appointed to represent the elderly in using this mobile application. This mobile application is expected to help caregivers or nurses monitor the health condition of the elderly, and this mobile application...

Many MSMEs manually close their businesses in today's competition, especially those caused by the COVID19 pandemic, and besides that, the lack of technology implementation is even more aggravating. Like it or not, Micro, Small, and Medium Enterprises (MSMEs) must equip their businesses with the application of technology, and unfortunately, there ar...

In this era, people often overeat, make parties or events, where there are excessive availability of food. As well as shops or restaurants that sell food, has ready-to-eat foods that only lasts one day and then treated as expired food. Often this precious food is thrown in the trash, and meanwhile, many destitute people cannot eat enough per day. T...

The haircut art community is a community that is interested in the art of hair or hair-related issues and information. This haircut art community has several members, but they need the application of technology to support their hobby as a community. In this mobile application, a system where users can make transactions connected to the haircut comm...

Indonesia has so many local cultures and languages that spread from Sabang to Merauke, and most Indonesians do not know how to speak two or more regional languages in Indonesia. Most Indonesians only know familiar tribes that are only commonly heard. Because of this problem, governments in the Indonesian provinces have included lessons on Indonesia...

Building a model for assessing the behavior and competence of national public transportation drivers taken from the competency standard for level 2 driver graduates based on the Indonesian National qualification framework, abbreviated as SKL. SKL has four competencies. The four competencies are called competency units. The first unit of competence...

Sewing experience is sometimes profitable and sometimes negative because there are more rivals and the competition with marketing tactics are not known. This is a very problematic matter, particularly for freelance tailors with limited capital and known as small-medium enterprises (SMEs), in terms of their managerial and marketing deficiencies. The...

Technology-based mobile apps merge the transportation market as public passenger transportation has to benefit from market coupons. Users are also a little disappointed in the nature of many online application-based strategies. The survey technique is often used to collect consumer data by stratified random sampling between two different classes (u...

Indonesia is one of the corona virus-positive countries (Covid-19). The first case that occurred in the country happened to two residents of Depok, West Java. This was announced by President Joko Widodo directly at the Presidential Palace. Since it broke out in December 2019 until now, a new type of coronavirus has made people worry about coughing...

Many programming languages can help work in the industrial world, one of them is using an Android-based application that can help solve a problem such as in decision support systems or determination process which that can benefit the company. In this case, the author tries to mine data from company engineers to find out how to determine the specifi...

The selection from this survey report is to use several keywords as a search on Scopus database. Some of the keywords used in this analysis utilize the novelty of research on inventory control and machine learning approach. The bibliometric analysis takes some aspects of the analysis, namely: the number of annual publications in the journal (book c...

Through this pandemic, the world has experienced two major crises, health crisis, and economic crisis. It would be dangerous for us to continue with our “normal” daily lives. We have been forced to stay at home, and some have been dismissed from their jobs; even street vendors are forced to close. The primary purpose of this paper is to represent o...

Many studies have been conducted in the field of face aging, from approaches that use pure image-processing algorithms, to those that use generative adversarial networks. In this study, we review a classic approach that uses a generative adversarial network. The structure, formulation, learning algorithm, challenges, advantages, and disadvantages o...

The role of Human Resources (HR) in an organization is significant, and the role of the world of education plays an essential role in producing and educating qualified and qualified human resources. In this paper, 20 students were evaluated as learning with Simple Additive Wight (SAW) and Analytic Hierarchy Process (AHP), which applied six criteria...

This paper discusses how to create an application that can be used for scanning all devices that are connected automatically and then stored in an inventory database, which can be used to generate a topology that will show the overall network topology and can be monitored for all devices by using the Simple Network Management Protocol (SNMP) query...

Art and music are human needs in terms of socializing with each other, and every human civilization is always equipped with music. In Indonesia, every community activity, whether related to family, religious, or cultural events, is inseparable from the presence of music as a compliment and means of socializing society. People interested in music ar...

Liquid Chromatography-Mass Spectrometry (LC-MS) data contains a lot of measurement data, which contains Rodent Tuber plant measurement. This paper aims to obtain frequent patterns on LCMS data utilizing the FP-Growth method, where frequent patterns will be used for interpretation and identification of chemical compound in a biological sample. For f...

Emotions are frequently emphasized in natural language text, expressing the speakers' feelings. Several studies have described techniques to build Indonesian emotion recognition models. In this work, we propose 39 feature engineering combinations by combining various feature extraction techniques, data preprocessing, word embedding models, differen...

Artificial life is a living behavior that comes from animals and humans which is currently used as inspiration in making algorithms and is usually used to look for patterns such as classification, feature selection, optimization, and many more. Binary Particle Swarm Optimization (BPSO) and Binary Dragonfly Algorithm (BDA) are algorithms derived fro...