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INDONESIA
Smatika Jurnal : STIKI Informatika Jurnal
Published by Universitas Bhinneka Nusantara
ISSN : 20870256     EISSN : 25806939     DOI : https://doi.org/10.32664/smatika
Core Subject : Science,
Computer Science & IT
SMATIKA: STIKI Informatika Jurnal is a journal published by Lembaga Penelitian & Pengabdian kepada Masyarakat (LPPM) of Universitas Bhinneka Nusantara Malang. The scope of this journal in the field of Computer Science, Information Systems, and Information Management.
Arjuna Subject : Ilmu Komputer (semua kategori) - Sistem Informasi
Articles 258 Documents
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Implementasi Logika Fuzzy Untuk Menentukan Jumlah Produksi Roti Menggunakan Metode Tsukamoto Ipung Dwi Antoni; Yulian Findawati
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1168

Abstract

In an effort to improve the sustainability of the product manufacturing business, an appropriate strategy is needed to avoid losses due to wrong policies. This research proposes the application of Tsukamoto fuzzy logic as a solution to determine bread production based on inventory and demand. Bread, as a product with a short expiration period, requires smart production management to avoid waste and losses. Many bakeries still adopt the traditional way without considering fluctuations in market demand, which may result in overproduction or stock shortages. This research takes the case of Sarinda bakery, which is experiencing challenges in coping with market demand fluctuations. Through the use of the Tsukamoto fuzzy method, the results showed an accuracy rate of 93.06%, with a Mean Absolute Percentage Error (MAPE) of 6.94%, a very good category. This method proves its effectiveness in helping entrepreneurs determine the amount of bread production in accordance with changing market conditions, without the need to add many existing production facilities. The use of Tsukamoto fuzzy logic in this context can be a smart solution to improve bread production efficiency and optimize business profits.
Implementasi Convolutional Neural Network (CNN) Untuk Pengenalan Tulisan Tangan Aksara Bima Ahmad Angga Handoko; Mochamad Alfan Rosid; Uce Indahyanti
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1196

Abstract

Indonesia with its rich cultural diversity, certainly results in the existence of various languages in it. In the dialect of a region, there are letter symbols that represent the expression of the region's unique language. One example of a language that shows unique characteristics in its writing system is Bima, known as the Bima script. Bima script, or often referred to as Mbojo script, is a writing system traditionally used in the Bima region, located in West Nusa Tenggara Province. Bima script is still not widespread among the public, so it is important to preserve it as part of the cultural heritage of the Mbojo tribe. This research aims to train a computer to recognize Bima characters. The Convolutional Neural Network (CNN) method is used in this research to recognize Bima script handwriting. The dataset used consists of 2640 images of Bima script handwriting with 22 classes. The results showed a reliable performance of the CNN model, with an accuracy of 97,34%, precision 97,56%, recall 97,34%, and f1-score 97,31% on the test data.
Perancangan Sistem Informasi Inventaris pada PT. Rejoso Manis Indo Menggunakan Metode Rapid Application Development Panky Yoga Pratama; Abd. Charis Fauzan; Tito Prabowo
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1209

Abstract

Technology that cannot be stopped and is increasingly developing requires companies like PT. Rejoso Manis Indo to adopt a more sophisticated and efficient system. This company's still manual inventory management process faces various problems, such as recording errors, lost or damaged data, and low efficiency. Difficulty tracking the status of goods also results in inaccurate data. This research aims to design an inventory information system using the Rapid Application Development (RAD) method which involves users at every stage of development. Data was collected through Likert scale questionnaires, interviews, and literature studies. This system was implemented using PHP CodeIgniter, and MySQL, and checked using the System Usability Scale (SUS) and black box testing. The research results show that the developed inventory information system increases effectiveness and efficiency, with a user satisfaction level of 77 with a value of B (Good). In conclusion, this system is effective in overcoming inventory problems at PT. Rejoso Manis Indo, although further research is needed to involve more users from various departments and examine the security and scalability aspects of the system.
Analisis Sentimen Terhadap Aplikasi Tiktok Dari Ulasan Pada Google Playstore Menggunakan Metode Naïve Bayes Nizar Fawwazun Hilmi; Faldy Irwiensyah
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1210

Abstract

In this research, we use reviews from the Google Play Store platform to conduct sentiment analysis on the TikTok application. Reviews can be categorized into positive, negative, or neutral sentiment groups using a Naïve Bayes approach. The distribution of user sentiment towards TikTok is displayed in the sentiment analysis results. Exposing model performance allows you to observe the level of understanding, accuracy, and precision of emotion classification. Our findings provide marketers and app developers with in-depth information about how users view TikTok. The accuracy level, precision level, and recall level of the Naive Bayes algorithm used for sentiment analysis for evaluating users of the TikTok application on the Google Play Store are 83.66%, 82.97%, and 91.97%, respectively. From the accuracy figures, it is clear that the Naive Bayes method provides reliable results so it is suitable for use in data categorization.
Implementasi Augmented Reality Sebagai Media Pengenalan Sistem Tata Surya Berbasis Android Ardian Danang Kurniawan; Joko Aryanto
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1215

Abstract

Most science subjects, especially those related to the solar system are still taught conventionally, using props such as books, blackboards, and props. These props do not attract the attention of students, so students become less interested in subjects. So it takes alternative media in the introduction of solar system materials. The purpose of this study is to create a solar system recognition application based on Augmented Reality. This application will make planetary objects more realistic and improve students ' understanding of the literature on the solar system. This research will use literature study research method. Identifying problems, conducting literature research, collecting data, developing systems, testing applications, and writing reports are the research steps. This research produces augmented reality applications that use markerless method so that 3D objects can be moved freely by the user. this application can be an alternative media introduction to the solar system, helping students gain a better understanding and encourage them to participate in active learning
Implementasi Internet of Thinks (IoT) Pada Pelacakan Posisi Tim Pencari SAR Kabupaten Sukoharjo Menggunakan LoRa A Ari Andrianto
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1222

Abstract

This research was motivated by communication problems and tracking the position of the SAR search team in Sukoharjo Regency, which was caused by limited connections and signals in remote areas. This limitation makes it difficult for the SAR command center to visually monitor the team's location on digital maps, thereby hampering the efficiency of search and rescue operations. The aim of this research is to implement Internet of Things (IoT) technology using LoRa to overcome these problems and increase the efficiency of search and rescue operations. The research method used is the prototyping paradigm, which involves developing and testing a prototype of an IoT-based tracking system. This prototype is designed to provide real-time location information for search teams, which can be accessed by the SAR command center even in areas with limited signal. The research results showed that the system developed was successful in providing real-time location information for the search team, which could be accessed by the SAR command center even though it was in an area with limited signal. In conclusion, this research succeeded in achieving its goal, namely improving the tracking and communication capabilities of SAR search teams in remote areas through the use of IoT and LoRa technology, so that it is hoped that it can increase the efficiency and effectiveness of search and rescue operations in the future.
SQL Injection: Analisis Efektivitas Uji Penetrasi dalam Aplikasi Web Luthfi Arian Nugraha; Irwan Alnarus Kautsar; Arif Senjani Fitrani
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1224

Abstract

In the continuously evolving digital era, information system security becomes crucial, particularly against SQL Injection attacks that threaten data integrity. This research aims to evaluate the vulnerability to SQL Injection in web applications and assess the effectiveness of penetration testing methods as a security measure. Utilizing a literature review and previous studies, this research identifies various attack techniques and defense strategies used to protect data. Through systematic penetration testing on ten websites, this study produces performance data reflecting the success rate of attacks and the time required for penetration. The results show variations in the effectiveness of penetration testing tools, with some sites exhibiting significant vulnerabilities. To enhance the security of web applications, this research suggests updating programming languages, implementing OOP and MVC paradigms, using Rest APIs, implementing WAFs, and utilizing CAPTCHAs. These findings provide insights for developing more robust and adaptive security strategies in the face of cyber threats.
Rancang Bangun Platfrom Freelance Digital Berbasis Web Menggunakan Metode Waterfall Muhammad Alvin Azzamul Azmi; Irwan Alnaurus Kautsar; Nuril Lutvi Azizah; Novia Ariyanti
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1225

Abstract

With advances in technology, people can now work independently without having to come to work. This is thanks to technology which is increasingly widespread in various aspects of human life. Especially among the younger generation, interest in becoming freelancers is increasing because of the flexibility of work schedules that allow them to work from anywhere. Apart from that, they can collaborate with clients from various countries via the internet. In this research, the author uses the waterfall development method, which emphasizes structured steps starting from identifying needs to system maintenance. In conclusion, this program has succeeded in facilitating collaboration between freelancers who need work partners on agreed projects. My freelance platform allows anyone to register as a freelancer and partner, making it easier for them to find work. The program testing results show a success percentage of 93%.
Perancangan Aplikasi Mobile Penjualan Ikan Segar Dengan Pendekatan Design Thinking Muhammad Yordi Septian; Luthfi Dika Chandra; Muhammad Galuh Gumelar; Irma Rasita Gloria Barus; Amata Fami
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1226

Abstract

The decline in aquaculture productivity due to the COVID-19 pandemic and increasing global competition, as well as difficulties for fishermen in selling fish due to high distribution costs and low consumer confidence in fish freshness, demand innovative solutions for the fishing industry. This research aims to answer this problem by developing a mobile-based fresh fish marketing application called "FreshCatch." We use Design Thinking methods to improve user experience and interface design. This methodology includes understanding user needs, determining core problems such as the issue of trust in fish freshness, finding solutions, creating low and high-fidelity design prototypes, and usability testing. The research results show a high level of success and user satisfaction with a significant increase in user trust and market accessibility for fishermen. The study concluded that "FreshCatch" effectively enhances the digital transition in fish sales, expands market reach, and increases fish farmers' income while ensuring the availability of fresh fish for consumers. This research contributes to advancing digital solutions in the aquaculture industry, encouraging sustainable and efficient market practices.
Implementasi Payment Gateway pada Platform Freelance Digital Menggunakan Rest API Muhammad Agung Laksono; Irwan Alnarus Kautsar; Hamzah Setiawan
SMATIKA JURNAL : STIKI Informatika Jurnal Vol 14 No 01 (2024): SMATIKA Jurnal : STIKI Informatika Jurnal
Publisher : LPPM UBHINUS MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32664/smatika.v14i01.1227

Abstract

In the continuously evolving digital era, the use of payment gateways has become a crucial element in online business transactions. A payment gateway is a technology or service that enables companies or institutions and applications to accept electronic payments or other digital payment methods. This study employs an Agile Development approach to implement a payment gateway on a digital freelance platform. Agile Development was chosen for its flexibility and iterative approach, allowing for quick adjustments to changing needs. The results indicate that the payment gateway on this freelance platform operates quite effectively. Testing on the platform showed successful outcomes with a success rate of 87%. This research demonstrates that integrating a payment gateway via REST API not only enhances the operational efficiency of the freelance platform but also strengthens user trust in the digital payment system, thereby supporting the growth and sustainability of the freelance platform's business.

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