Untung Rahardja

• Professor
• Professor at Universitas Raharja

Calculus-based creativepreneurship is an innovative approach aimed at enhancing the competitiveness of Micro, Small, and Medium Enterprises (MSMEs) by applying mathematical concepts in business strategies. In the midst of the creative economy and digital transformation, MSMEs face challenges related to product innovation, financial management, and...

Predicting the number of bus station fleets requires a holistic approach, using sophisticated data analysis techniques and appropriate predictive modeling. Short-term predictions of bus station fleet numbers are proposed based on the best MAPE evaluation values from the comparison of the Bi-LSTM, BiLSTM-CNN, BiLSTM-Transformer, BiLSTM-Informer, and...

Carbon management has become an integral aspect of sustainable policy management to streamline with the accelerating challenges of climate. This chapter examines the exploration of NLP (Natural Language Processing) with policy recommendation frameworks in carbon management. NLP can automatically review and summarize hundreds of research papers on t...

Sistem informasi akademik memiliki peran penting dalam mendukung operasional institusi pendidikan, terutama dalam pengelolaan data yang kompleks. Tantangan utama dalam pengembangannya adalah memastikan prosesnya terstruktur, efisien, dan sesuai dengan kebutuhan pengguna. Metode Waterfall, sebagai salah satu pendekatan pengembangan yang berurutan da...

Travel pattern variations pose challenges in building a prediction model that accurately captures seasonal patterns or precision of BRT passenger numbers. An approach that integrates sophisticated prediction algorithms with high accuracy is needed to address the Transjakarta BRT passenger number prediction model problem. The proposed prediction mod...

This study addresses the debate on the role of Multiple Large Shareholders (MLS) in influencing Environmental, Social, and Governance (ESG) performance in family-controlled firms across ASEAN. It explores whether MLS identity creates a collusion effect or monitoring effect on ESG outcomes. Using unbalanced panel regression with 672 firm-year observ...

Accurate predictions of the number of public transport passengers on buses in each region are crucial for operations. They are required by the planning and management authority for bus public transport. A deep learning-based LSTM prediction model is proposed to predict the number of passengers in 4 bus public transportation areas (central, north, s...

The integration of Artificial Intelligence (AI) into business operations has garnered significant attention due to its potential impact on business performance. However, the relationship between AI adoption and business performance remains not fully understood. This article comprehensively analyzes this relationship through three key aspects: the a...

This study investigates the impact of generative AI on social media marketers’ job attitudes and performance, examining the roles of person-organization fit (PO-fit) and person-job fit (PJ-fit). As generative AI transforms marketing practices, understanding its effects on employees is crucial. A survey of 340 social media marketers using generative...

Transformasi digital yang cepat mengharuskan pelaku bisnis e-commerce untuk beradaptasi dalam memanfaatkan pemasaran digital guna mencapai keberlanjutan jangka panjang. Strategi pemasaran yang tradisional semakin kurang relevan di tengah perubahan perilaku konsumen yang dinamis serta perkembangan teknologi baru. Oleh karena itu, diperlukan pendekat...

The exponential growth of the Web of Things (IoT) is transforming businesses, connecting billions of devices that generate massive amounts of data. However, preparing this data at scale in real time poses significant challenges, including inactivity, transmission capacity constraints, and data blocking in centralized cloud systems. Edge computing h...

This study aims to significantly improve air quality monitoring through the innovative application of Artificial Intelligence (AI). Introducing the Artificial Intelligence Kualitas Udara (AIKU) model, this research offers a novel approach by integrating advanced machine learning algorithms with environmental sensors to predict air quality in real-t...

The Artificial Intelligence (AI)-based air quality detection application is a technology that can assist the public in monitoring the air conditions around them. This application provides information on pollution levels, health implications, and recommendations for appropriate actions based on air quality. However, the usage of this application is...

To achieve sustainable development of e-commerce and promote customers’ online shopping conduct, companies develop online shopping platforms to enhance customers’ online shopping behavior. The growing significance of technology in advertising has sparked intense interest in the worlds of education and business to create enjoyable experiences for on...

Plain Language Summary In recent years, investing in cryptocurrencies has become a fad worldwide. However, fewer studies have explored the intention of using cryptocurrencies. Different from traditional financial commodities, cryptocurrencies have a unique appeal. Therefore, this study uses technology mindfulness, technology readiness, and financia...

The accuracy of air quality detection is a crucial aspect influencing user trust and satisfaction with artificial intelligence (AI) based air quality detection applications. However, only a few studies have tested the effect of the accuracy of AI-based quality detection on users' acceptance and use of these applications. This study aims to fill thi...

Many companies are utilizing short-form video platforms to enhance the value co-creation between brands and consumers and ultimately create brand equity. However, there is a research gap in the present literature regarding the significance of consumers' participation in short-form video platforms affecting corporate brand equity. The present study...

Value co-creation profoundly affects brand experience, human interaction rules, and customer behavior performance and is a recurring theme in research in the field of virtual brand communities. Studies have determined an influence model for value co-creation, but there is a dearth of research on the impacts of value co-creation activities on brand...

In recent years, the interest in generating power through hybrid power generation systems has increased. In this study, a hybrid power generation system including an internal combustion engine (ICE) and a solar system based on flat plate collectors to generate electricity is investigated. To benefit from the thermal energy absorbed by solar collect...

Low-cost particulate matter sensors, due to their increased mobility compared to reference monitors, are transforming air quality monitoring. Calibrating these sensors requires training data from reference monitors, which is traditionally done through conventional procedures or by using machine learning techniques. The latter outperforms traditiona...

Membuat desain interior ruangan 3D membutuhkan proses yang panjang. Proses desain memainkan peran vital dalam menciptakan desain interior 3D yang cukup bagus. Dalam pengerjaan desain interior, permasalahan yang dihadapi adalah kapasitas ruangan dan tata letak objek yang akan ditempatkan. Maka dari itu, desain interior 3D dapat dilihat dari kualitas...

This research was conducted to analyze the factors that influence the use of mobile payment Go-Pay in Indonesia. The modeling of mobile payment usage behavior is a combination of technological readiness theory, technological acceptance theory, valence framework, and usage pattern theory. Data were collected using online questionnaires, which were a...

An The main objective of the study is to identify the antecedent of leadership quality, public satisfaction and public behaviour intention of e-government service. Also, this study integrated e-government quality to expectation-confirmation model. In order to achieve these goals, observational research was then carried out to collect primary inform...

The main objective of the study is to identify the antecedent of leadership quality, public satisfaction and public behaviour intention of e-government service. Also, this study integrated e-government quality to expectation-confirmation model. In order to achieve these goals, observational research was then carried out to collect primary informati...

In this paper, bi-level optimization model is proposed for optimal energy trading between microgrids (MGs) and distribution companies (Discos) with consideration of the renewable energies. The first level modelling is maximizing MGs’ profit and the second level is related to maximization of the Discos profit. In proposed system, power trading betwe...

Banyak perbaikan untuk membantu proses pembelajaran telah dikembangkan oleh kemajuan teknologi dalam pendidikan. Perguruan tinggi sangat perlu mengembangkan kompetensi digitalnya, yang dapat dicapai dengan menggunakan beragam perangkat pembelajaran. Namun, banyak mahasiswa dari universitas lain masih kekurangan kompetensi digital yang diperlukan. P...

Since most students begin their studies online, the LMS platform is frequently used. Universities and colleges play a crucial role in adopting many of its LMS platforms. A web-based application software package called Bibliometrics is used to design, test, and evaluate specific learning processes. LMS will be the dominant artificial intelligence-ba...

Menekankan menempatkan penekanan pada ekonomi digital dan pola data besar dengan penekanan pada sektor lingkungan. Karena big data sudah hadir, strategi bisnis saat ini sudah berkembang. Penelitian ini bertujuan untuk mengetahui tantangan yang dihadapi dan keunggulan big data untuk konten digital. Gagasan "masyarakat 5.0" mengusulkan koeksistensi t...

Today's students keep track of their attendance, and advisors can easily access that data. However, there are three (three) challenges that the advisor must overcome, one of which is submitting information in the form of a table that must be compared with great care and correctness.To facilitate the registration and measurement of advisor attendanc...

Kecerdasan buatan adalah suatu sistem yang dikembangkan dan mampu berinovasi dalam bidang studi yang dimodelkan baik pada mesin maupun komputer yang dapat memiliki kecerdasan yang sama atau bahkan lebih seperti manusia, yang ditandai dengan kemampuan beradaptasi, pengambilan keputusan, kognitif, dan belajar. Metode penelitian ini bertujuan untuk me...

Artificial intelligence techniques to forecasts based on the Community Multiscale Air Quality (PM2.5) operational model can be known using TensorFlow. TensorFlow was used in this study to assess the scores of the Recurrent Neural Networks (RNN) input variables on the 6-hour forecast for July-October 2022. The relevance scores for the one- and two-d...

Saat ini, teknologi informasi banyak digunakan di hampir semua bidang, termasuk yang berkaitan dengan pendidikan, perbankan, pemerintahan, dan pariwisata. e-Commerce adalah penggunaan teknologi informasi untuk mendukung aktivitas pembelian, penjualan, dan promosi produk. Website dapat dibangun dan diimplementasikan oleh UMKM dengan modal yang sesua...

In the development of the Industrial revolution 4.0 to improve and modify the world's industry by integrating production lines, and extraordinary results in the field of technology and information marked its emergence. It can be used to enhance document security systems using Blockchain technology. Blockchain Innovation Authentication has attracted...

Existing business models are changed and disrupted by blockchain technology, which warrants more research. This study tries to describe the phenomena of blockchain technology in relation to business model innovation in the enterprise ecosystem on the basis of that. Blockchain technology has been shown to increase organizational performance empirica...

Infrastructure resources and application portfolios of IT services have not been optimally used in the rural banking industry. In addition, work units are apt to be partially managed. Furthermore, there has been no performance assessment on the contribution of IT governance to ensure the alignment of businesses and IT strategies. The purpose of thi...

Over time, there haven't been many significant challenges to the higher education model. Even if the organization of lectures and learning experiences has changed due to the incorporation of increasingly sophisticated technologies, study themes are still evolving. The work being given here is an analysis of blockchain technology and its potential a...

Salah satu permasalahan serius yang dihadapi bangsa Indonesia adalah masalah medis khususnya masalah medis anak usia sekolah. Rekam medis data siswa merupakan suatu hal yang sangat penting serta memberikan manfaat yang dirasakan baik dari pasien, dokter dan petugas medis lainnya dalam hal pengambilan keputusan klinis. Melihat kepentingan hadirnya r...

Pengabdian yang diberikan kepada mahasiswa khususnya studi Teknik Informatika ini bertujuan untuk memfasilitasi program studi untuk mengembangkan kurikulum sesuai dengan kebijakan MBKM dan mendorong program studi untuk melaksanakan kerja sama dengan mitra dalam rangka implementasi kurikulum program MBKM. Metode pelaksanaan dalam kegiatan pengabdian...

This study aims to assess the impact of public value on e-government ambidexterity. Furthermore, current technology variables, public value variables, and e-government ambidexterity are incorporated into a framework for measuring e-government service performance. The partial least square structural equation modeling (SEM-PLS) approach was used in t...

To improve the Management Control Systems, an accidental sampling (non-probability sampling) method is used to apply Enterprise Resource Planning (ERP). Export and import service companies in the Jakarta Capital City area became the population in this study, with the total sample used is 100 respondents. 3 (three) variables that are the primary key...

This study explores whether team-organization fit (T-O fit) and team-job fit (T-J fit) play a mediating role between team personality, team job satisfaction, and team performance. Conscientiousness and openness to experience are common antecedents of team personality. Additionally, T-O fit and T-J fit are derived from person-environment fit theory,...

Era digital sudah semakin canggih sehingga pengajar perlu mengikuti alur teknologi saat ini, dan dunia pendidikan sangat penting dalam kehidupan untuk meningkatkan kekayaan intelektual serta integritas sosial. Tetapi, tidak semua pengajar mampu mengikuti zaman dengan cepat terhadap teknologi, khususnya metode pembelajaran yang cocok di era pandemi....

With the change in the learning system from conventional to online in the current pandemic, it is a challenge for teachers, especially early childhood educators, to find interactive learning methods. Therefore, in this paper, we will focus on the Learning Management System (LMS) strategy used by educators to continue to provide quality interactive...

Higher education is the face of innovation for any country. The quality and dedication of professors help to maintain quality in this process. With time, parameters were raised to check the quality of professor attributes. In this paper, we discuss all possible parameters taken by universities to evaluate faculty performance. Gradually it grew over...

Boosting e-Service Quality of online product businesses is dependent on the mapping of application portfolios of IT services. Nonetheless, implementing procedures, systems, and mechanisms to manage IT resources is still partial, unspecific. To be precise, they are still a part of inappropriate work units. This study intended to find out and ascerta...

COVID-19 creates an unprecedented situation before humanity. Covid-19 has changed lives in all aspects, from education, industry and social life. However, the existence of Covid-19 has greatly impacted the field of education, where the applicable learning methods usually need to make drastic changes to decide the spread of Covid-19. The education s...

Along the progress of the era and technological developments, making the human lifestyle cannot be separated from its use. In digital era nowadays, technology is used to make human needs easily. A website is important for the progress of an Association. One of the ways that the Association's Website can grow is by maintaining the Website. The APTIS...

This study aims to provide innovation management for inputting practical work titles online based on Laravel. The rapid development of the positive number of Covid-19 has made the world restless, including the country of Indonesia, which has gone through more than 1 year of the pandemic period starting from March 2020 to May 2021. The surge in posi...

This research method uses CRISP-DM with emerging pattern supervision modeling and EPM Algorithm. The contribution of the research is to assist the Government in overcoming the problem of the spread of the COVID-19 cluster in several regions in Indonesia. The research aims to implement information on the COVID-19 data mining pattern in the DKI Jakar...

It is well known by the public that the development of science and technology has progressed very rapidly and even continues to increase from year to year, especially in the education system. But in reality, there are still many learning systems that use conventional methods. This method makes the learning process passive and inactive. But now by i...