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INDONESIA
EXPLORER
Published by Forum Kerjasama Pendidikan TInggi
ISSN : -     EISSN : 27744647     DOI : https://doi.org/10.47065/explorer.v2i1.148
Core Subject : Science,
Computer Science & IT
EXPLORER Journal of Computer Science and Information Technology is a scientific journal published by the FKPT (Forum Kerjasama Pendidikan Tinggi). This journal contains scientific papers from Academics, Researchers, and Practitioners about research on Computer Science and Information Technology. EXPLORER Journal of Computer Science and Information Technology is published twice a year in January and July. The paper is an original script and has a research base on Computer Science and Information Technology. The scope of the paper includes several studies but is not limited to the study Artificial Intelligence, Computer Graphics and Animation, Image Processing, Cryptography, Computer Network Security, Modelling and Simulation, Multimedia, Computer Architecture Design, Computer Vision and Robotics, Parallel and Distributed Computing, Operating System, Information System, Mobile Computing, Natural Language Processing, Data Mining, Machine Learning, Expert System and Geographical Information System. Thus, we invite Academics, Researchers, and Practitioners to participate in submitting their work to this journal.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 65 Documents
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Pemodelan Proses Bisnis Sistem Marketplace Penjualan Kebutuhan Ormas Dan Partai Berbasis Website Telaumbanua, Kristian; Damanik, Florida; Suparnap, Erlanie; Sembiring, Afen Prana
Explorer Vol 4 No 1 (2024): January 2024
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v4i1.1183

Abstract

Indonesian marketplaces have grown rapidly in recent years, especially since 2009 when many types of marketplace applications emerged. With the advancement of technology and easy access to the Internet, some consumers who previously never shopped online are now interested in switching to a digital shopping environment to fulfill their needs. However, there are obstacles for sellers in selling the needs of mass organizations and parties such as sellers only selling at the workplace, promotions are still based on references from buyers who buy in stores, so that sales figures are often not maximized. Therefore, an analysis and design of a website-based marketplace application for selling the needs of mass organizations and parties that can meet the sales needs of parties and mass organizations. This research uses the SDLC (System Development Life Cycle) waterfall method to design a system that produces a design of a marketplace application for selling the needs of mass organizations and parties that can facilitate buyers in making product order transactions and facilitate sellers in selling the needs of mass organizations and parties. This design is expected to be a reference to be developed into an application that can be implemented.
Implementasi Pengelompokan Persediaan Sepeda Motor Menggunakan Metode Clustering K-Means Azhar, Zulfi; Wulandari, Chairani; Hanum, Zulia; Arfansyah Putra, Wan; Puspita Saragih, Yenny
Explorer Vol 4 No 2 (2024): July 2024
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v4i2.1255

Abstract

Designing an annual marketing strategy for motorbike inventory in each city where previous data already exists but sometimes has never been reviewed. Decision making in determining the number of Honda brands that consumers are interested in per year needs to be reviewed in each city. CV. Karya Utama Kisaran, a company engaged in marketing motorbikes which is experiencing an increasingly competitive level of business competition. This requires determining motorbike inventory which can increase motorbike sales volume by choosing the right dealer. Motorbike inventory is one of the things that needs to be done in designing marketing strategies in several cities. In this analysis process, it is carried out using data mining with clustering techniques which use non-hierarchical methods in non-hierarchical grouping, one single data in a group, or more small groups that can combine into a large group. The aim of the research is to determine the similarity in characteristics between the data in inventory transaction database, in order to form groups of marketing locations. The final results of the research carried out produced 2 clusters where cluster 1 was City 1, 2, 4, 6, 7, 8,9,10, 11,12 and cluster 2, City 3 and 5 from a total of 12 cities, by showing that cluster 2 has higher motorbike inventory and marketing than cluster 1.
Kompresi Data Menggunakan Metode FELICS (Fast Efficient and Lossless Images Compression System) Terhadap Citra PNG (Portable Network Graphics) Hutapea, Yan Daniel; Wulan, Nur
Explorer Vol 4 No 2 (2024): July 2024
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v4i2.1386

Abstract

At present, the rapid advancement of sciens and information technology has made two-dimensional image files highly demanded. In this era, sending files, whether in text or image format, has become a common practice. Sending large image files requires more time and bandwidth. To address this, compression is necessary for image files. The FELICS method is one of the techniques that can be used for image file compression. FELICS present a simpler system for image compression, operates faster, and only inscurs minimal compression efficiency loss. Based on test results for five .png files with sizes of 5.249.494 bytes reduced to 2.041.208 bytes, 3.124.201 bytes reduced to 1.060.781 bytes, 10.473.459 bytes reduced to 3.065.010 bytes, 804.728 bytes reduced to 200.215 bytes, and 503.111 bytes reduced to 158.711 bytes. This results in compression retions ranging from 24.87% to 38.00%.
Combination of CRITIC Weighting Method and Multi-Atributive Ideal-Real Comparative Analysis in Staff Admissions Waqas Arshad, Muhammad; Mesran; Setiawansyah, Setiawansyah; Suryono, Ryan Randy; Rahmanto, Yuri
Explorer Vol 4 No 2 (2024): July 2024
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v4i2.1428

Abstract

Staff recruitment is a critical process in human resource management where organizations select and place individuals who fit the needs and goals of the company. This process involves identifying position needs, job postings, screening applicants, interviewing, skills evaluation, and making a final decision to determine the most suitable employee. The integration of CRITIC and MAIRCA allows the staff selection process to be more objective and systematic. CRITIC helps in assessing the importance of each criterion by considering its relevance, thus ensuring that the evaluation is not based on just one dimension. On the other hand, MAIRCA provides a comprehensive framework by comparing each candidate against the desired ideal standards and their actual achievements in relevant attributes. The combination of these two methods not only strengthens accuracy in staff selection, but also ensures that decisions are made in accordance with the organization's strategic goals to achieve optimal performance and effectiveness. The ranking results obtained the results of rank 1 with a value of 0.0824 obtained by Alternative G, rank 2 with a value of 0.0798 obtained by Alternative B, and rank 3 with a value of 0.0778 obtained by Alternative C.
Prototype Robot Pengantar Barang Pengikut Marka Hitam Berbasis Mikrokontroller Herman, Yurico; Hasibuan, Ade Zulkarnain; Sembirimg, Arnes
Explorer Vol 4 No 2 (2024): July 2024
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v4i2.1435

Abstract

Robotics has become an ever-growing field with increasingly diverse applications in various industries. One interesting application is the development of delivery robots that can follow specific paths on surfaces using black markings as a guide. This research aims to design and implement a microcontroller-based black mark following goods delivery robot prototype. This robot prototype uses a TCRT5000 sensor to read black markings placed on the bottom of the robot. Using this robot is very easy by providing a battery for the robot's power source. The TCRT5000 sensor is a reading sensor for following the path. The FC-51 IR sensor as an obstacle detection sensor is in front of the robot for temporary stops when the robot is walking. The TTP223B touch sensor calibrates the robot at the start and end of the robot's work, inputting the additional number of stops when the robot is in a temporary state. This robot is easy to use because the operation is easy to understand, making the robot easy for ordinary people to use.
Evaluasi Aplikasi DOI by RJI pada Aspek Usability dan User Experiance Menggunakan Metode System Usability Scale (SUS) dan User Experience Questionnaire (UEQ) Maulana, Asep Erlan
Explorer Vol 4 No 2 (2024): July 2024
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v4i2.1478

Abstract

Indonesian Journal Volunteers have an application that makes it easy for journal managers to become members of Crossref and subscribe to Digital Object Identifiers (DOI). One of the services that RJI currently has is the DOI application. The purpose of this study was to test the quality of usability and to evaluate the level of user experience satisfaction from the DOI by RJI application. There are 2 methods used in this research. The first method of the System Usability Scale (SUS) is used to measure usability aspects. While the second method of the User Experience Questionnaire (UEQ) is used to produce evaluation results of user satisfaction levels from the user experience. From 23 respondents there are results of user satisfaction levels with a score of 65 with category D and can be said to be well received by users. Aspects of the level of satisfaction there is a positive level results with the highest mean value on the efficiency scale (Efficiency) which is 1.554 followed by the stimulation scale (Stimulation) with a value of 1.511. Then the value of the attractiveness scale is 1.493, the dependability scale is 1.478, the novelty scale is 1.326 and the Perspicuity scale is 1.272. This shows that the level of user satisfaction in using the DOI by RJI application has a positive user experience. Because all levels of the scale are higher than the standard value of 0.8.
Media Pembelajaran Praktikum Jaringan Komputer Berbasis Augmented Reality dengan Metode Marker Based Tracking Wulandari, Suci; Dafitri, Haida; Lubis, Yessi Fitri Annisah
Explorer Vol 5 No 1 (2025): January 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v5i1.1719

Abstract

This study aims to create a learning media for computer network practicum based on Virtual Lab simulation using Augmented Reality (AR) technology that can be used by Istiqlal Vocational High School students to direct computer networks anytime and anywhere. This learning media is created to help students understand the basic concepts of 3D object computer networks that appear in the real world through mobile devices in a more interactive and interesting way. The method used in this study is Marker Based Tracking. This learning media utilizes markers to display 3D learning objects that can be interacted with by students, thus helping them understand the material more deeply and practically. The results of the study showed that the use of AR with the Marker Based Tracking method was effective in improving students' understanding of computer network material. Students were more interested and active in practicums, and were able to apply theories in real 3D object simulations, which increased the effectiveness of learning. Based on the results of trials on 23 respondents, most users gave positive responses to the 3D objects provided, with 91.7% of users assessing the 3D objects presented as good quality, and 75% felt that this application increased interest in learning. In addition, 83.3% of respondents felt helped in understanding the material.
Otentikasi Dua Faktor Menggunakan Totp dengan SHA-512 untuk Sistem Pemilihan Presiden Mahasiswa Arisandi, Diki; Hartati, Seri; Vrabora, Givo
Explorer Vol 5 No 1 (2025): January 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v5i1.1782

Abstract

This study originated from the need for a secure election system in academic environments, particularly to address credential theft and cyberattack threats in the security of the Student Presidential election system. Ensuring security in student election systems presents a significant challenge, as conventional authentication methods are prone to voter identity authenticity manipulation. Therefore, this research proposes a two-factor authentication model using Time-Based One-Time Password (TOTP) based on the SHA-512 algorithm. This model provides an additional layer of security through time-based authentication and a stronger hash mechanism against attacks. Testing was conducted involving several user accounts from Gmail applications, where OTP codes were successfully sent to the users' email accounts. The results indicated that TOTP delivery and validation times ranged between 150 and 300 ms, with user satisfaction levels exceeding 80%. The implications of this study include enhanced security in the student presidential election system within academic environments and the potential for broader adoption in other fields requiring user authentication
Implementasi Algoritma Greedy pada Rute Wisata Danau Tao Desa Batang Onang Baru Berbasis Website Siregar, Riska Novasari; Aulia, Rahmat; Siregar, Rosyidah
Explorer Vol 5 No 1 (2025): January 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v5i1.1755

Abstract

This study aims to facilitate the travel of tourists visiting Tao Lake and increase travel efficiency by determining the fastest route. One of the methods used to determine the fastest route to Tao Lake is the greedy algorithm method. The advantage of the greedy algorithm is that it is fast in acting and does not take long to consider the consequences of what is decided so that it is very easy to implement in several existing problems. This website was created for the Gunung Tua and Padang Sidempuan areas. The results of the trial of the Tao Lake tourism website using a black box stated that the results of the website's feasibility point were 54% strongly agree, 26% agree, 14% disagree and 6% strongly disagree. The results of the website user satisfaction point were 58% strongly agree, 32% agree, 6% disagree and 4% strongly disagree.
Penerapan Metode Analytical Hierarchy Process dalam Pemilihan Human Personality Azhar, Zulfi; Putri, Wan Hafizah Ainun Syah; Mahfuz, Rizky Putri
Explorer Vol 5 No 1 (2025): January 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/explorer.v5i1.1787

Abstract

To obtain personality criteria based on the work provided, several agencies usually set standard personalities that prospective workers must possess, with the aim that workers can work in fields that support their personalities. Likewise, the Siumbut-umbut Kisaran Village Office sets standard personalities that must be possessed by each employee so that the work carried out has optimal results. This study aims to determine the type of personality appropriate for work in the Siumbut-umbut Kisaran Village Office using the Analytical Hierarchy Process (AHP) method. Decision Support Systems (DSS) are applied to overcome problems in determining standard personalities for employees so that work results are optimal. This study found that the highest personality priority is Phlegmatic (K2), and the prioritized alternative is Eva Wulandari (At1).

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