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All Journal Teika Literacy : International Scientific Journals of Social, Education, Humanities International Journal of Economics and Management Research
Kemala DEwi
Unknown Affiliation
Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Social Sciences

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Penggunaan Metode NAÏVE BAYES Dalam Mengukur Tingkat Kepuasan Pengguna Terhadap Online System Universitas Advent Indonesia Yusran Timur Samuel; Kemala DEwi
TeIKa Vol 9 No 2 (2019): TeIKa: Oktober 2019
Publisher : Fakultas Teknologi Informasi - Universitas Advent Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36342/teika.v9i02.2162

Abstract

Achieving user satisfaction in using an information system is one of the factors to determine the system as expected. The UNAI Online System has been operating since 2008 and granting students a convenient access to their academic data. In order to enhance users' satisfaction on using the UNAI Online System, it needs to be done according to the right measurements towards an information system. The methods that were used in this study is data mining along with the Naïve Bayes classifications method and data that were obtained from questionnaires. The attributes used are content quality, relevance, privacy, easily operated, speed, visual appeal, online completeness, and customer services. The test results showed that the first test for users' satisfaction using the Naïve Bayes method scored up to 81.3%. The second test with 80% data training and 20% data testing obtained 80% accuracy value. As for cross-validation test, the score reached 78.7%. Lastly, the test with 66% training data and 33% test data get the accuracy value up to 68.6%.
The Role of the Financial Services Authority (OJK) in Increasing Public Trust in Investment in Indonesia Kemala Dewi; Arya Arwanda; Muhammad Albahi
LITERACY : International Scientific Journals of Social, Education, Humanities Vol. 4 No. 3 (2025): December : International Scientific Journals of Social, Education, Humanities
Publisher : Badan Penerbit STIEPARI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56910/literacy.v4i3.3168

Abstract

This study aims to analyze the role of the Financial Services Authority (OJK) in increasing public trust in investment in Indonesia. As an independent institution, OJK has a strategic function in supervising and regulating the entire financial services sector, including the capital market, banking, and non-bank financial industry. Public trust is a key element in creating a healthy and sustainable investment climate. Through strict supervision policies, public education, and law enforcement against illegal investment violations, OJK seeks to strengthen the foundation of public trust. One of the concrete steps is the issuance of POJK No.17/2022 concerning the Code of Conduct for Investment Managers. This study uses a literature study method with a descriptive qualitative approach. The results of the study show that OJK's efforts in increasing transparency, expanding financial literacy, and taking firm action against illegal investment practices have made a significant contribution to increasing public trust. However, challenges such as low financial literacy and rampant investment fraud are still obstacles that need to be overcome. Therefore, synergy is needed between the OJK, the government, and the community to build a safe and reliable investment ecosystem. This research provides the implication that strengthening regulations, continuous education, and cross-sector collaboration are important strategies in maintaining the stability and integrity of the investment sector in Indonesia.
Getting to Know the Shariah Capital Market : Halal Investment in the Modern Era Kemala Dewi; Muhammad Fakhri; Muhammad Albahi
International Journal of Economics and Management Research Vol. 3 No. 3 (2024): December : International Journal of Economics and Management Research
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/ijemr.v3i3.443

Abstract

The development of the modern economy requires Muslims to be able to adapt to the contemporary financial system without ignoring the principles of sharia. One form of such adaptation is the existence of the sharia capital market, namely a capital market system based on Islamic teachings and free from elements of usury, gharar, and maisir. The sharia capital market is not only an alternative halal investment, but also reDesiarto (n.d.)flects the practical needs in creating a fair and sustainable financial system. Instruments such as sharia stocks, sukuk, and sharia mutual funds are solutions for Muslim investors who want to invest ethically. In Indonesia, the development of the sharia capital market is supported by regulations from the OJK, BEI, and fatwas from the DSN-MUI. However, challenges such as low sharia financial literacy are still major obstacles. Therefore, the introduction and understanding of the concept of the sharia capital market are very necessary in order to encourage the creation of a financially intelligent society and continue to uphold Islamic values in its economic activities.
Co-Authors Arya Arwanda Muhammad Albahi Muhammad Fakhri Yusran Timur Samuel