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Bernadus Very Christioko
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Fakultas Teknologi Informasi dan Komunikasi, Universitas Semarang, Jl. Soekarno-Hatta Tlogosari Semarang, Central Java, Indonesia
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Jurnal Transformatika
Published by Universitas Semarang
ISSN : 16933656     EISSN : 24606731     DOI : https://doi.org/10.26623/transformatika
Core Subject : Science,
Computer Science & IT
Transformatika is a peer reviewed Journal in Indonesian and English published two issues per year (January and July). The aim of Transformatika is to publish high-quality articles of the latest developments in the field of Information Technology. We accept the article with the scope of Information Systems, Web Technology, Computer Networks, Artificial Intelligence, and Multimedia.
Arjuna Subject : -
Articles 344 Documents
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Online Based Thesis Guidance Application For Informatics Students During Pandemic Hermawan, Latius; Ismiati, Maria Bellaniar
Jurnal Transformatika Vol. 19 No. 1 (2021): July 2021
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i1.3088

Abstract

The Ministry of Education and Culture (Kemendikbud) issued Circular Letter Number 15 of 2020 concerning Guidelines for Organizing Learning from Home in an Emergency for the Spread of Covid-19. This causes the learning process that should be done face-to-face, being changed to online. Students must study from home and carry out the online thesis guidance process. Some of the difficulties experienced by students during direct mentoring, namely the difficulty of meeting lecturers who are busy teaching or doing assignments from institutions, besides that students who come from outside the city have to go back and forth just to meet the supervisor.. One of the ways to solve this problem is by applying technology.   Currently there is web technology that can be used to easily develop applications, namely the concept of a framework approach. With the existence of an online-based application which is the role of current technological developments, it will make the thesis guidance process carried out by lecturers and students more flexible. Students are able to carry out the guidance process anywhere and anytime.
Perancangan Sistem Informasi Evaluasi Kinerja Guru Berbasis Website Menggunakan Soft System Methodology (SSM) (Studi Kasus di SMK Taruna Tama Getasan) Sinulingga, Yedija Sada Ukurta; Hartomo, Kristoko Dwi
Jurnal Transformatika Vol. 19 No. 1 (2021): July 2021
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i1.2921

Abstract

Performance assessment system is a reference of school to determine the performance quality of a teacher that also a reference to determine their career development and career promotion. The teacher has to improve their skills and ability to apply the competence to improve the quality of the learning process. The expansion of performance assessment information system in SMK Taruna Tama Getasan Salatiga will help the assessor  to make performance assessment report because the previous method they used conventional system that hinder the process of   the rating like a difficult calculation and take so much time. This system use Soft System Methodology (SSM) by using structured approach to understand some issues, build conceptual mode, get eligibility and the implementation. System testing use Webqual 4.0 and using 3 (three) instruments are Usability Quality, Information Quality and Service Interaction Quality. By using 122 that processed by SPSS software   which testing the validity test, reliability and linear regression correlation. From the test result that the website of performance assessment system are having a good quality based on Usability Quality, Information Quality and Service Interaction Quality.    
Purwarupa Sistem Pemilihan Umum Elektronik dengan Pemanfaatan Protokol Ethereum pada Teknologi Blockchain Arianto, Eko; Umam, Chaerul; Handoko, L Budi
Jurnal Transformatika Vol. 19 No. 1 (2021): July 2021
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i1.2746

Abstract

The development of information technology has penetrated various areas. This is driven by improved service, rapid increase in information needs and decision making. General elections that are held every time always leave problems about securities and speed of recapitulation. This is because the process is done in the traditional way. This research tries to apply blockchain technology to the e-Voting system security engineering process so that it creates a votes recapitulation process that is fast, accurate and accompanied by transparency values to maintain the reliability of the existing vote and maintain the confidentiality of the vote data being transacted. Transparency and confidentiality of voter data is a fundamental value in general elections or voting that must exist. Seeing this, blockchain technology deserves to be applied because the principles that needed can be met by applying this technology to the e-Voting system.
Content Classification based-on Latent Semantic Analysis and Support Vector Machine (LSA-SVM) Marthasari, Gita Indah; Hayatin, Nur; Yuniarti, Maulidya
Jurnal Transformatika Vol. 19 No. 2 (2022): January 2022
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i2.2745

Abstract

The diversity of the content of a web page can have a negative impact if used by the wrong user. Almost a half of internet users are children. Therefore, it is important to classify web pages to find out which pages are worthy of being seen by children and that are not feasible. One method that can be used is the Support Vector Machine (SVM) algorithm. SVM is a binary classification whose working principle is to find the best hyperplane to separate the two classes. To obtain better classification accuracy, the SVM is combined with the Latent Semantic Analysis (LSA) algorithm. The data used in this study were taken from the DMOZ web data which has been classified into two categories. The data is then entered into the pre-processing stage for further feature extraction using LSA. The LSA algorithm is used to find out the semantic similarities of words and text contained in web pages. The results of feature extraction are then classified using SVM with RBF kernel. Based on the testing result, we obtain a classification accuracy of 64%.
USABILITY EVALUATION MODEL USING CONFIRMATORY FACTOR ANALYSIS ON ONLINE BUYING SITES Solechan, Achmad; Putra, Toni Wijanarko Adi
Jurnal Transformatika Vol. 19 No. 2 (2022): January 2022
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i2.3624

Abstract

The data obtained from the Top brand index shows that there are 3 market leaders of online buying and selling sites in Indonesia, namely lazada.co.id; shopee.co.id and tokopedia.com. This makes the reason for choosing the object of research with the aim of research to find out the usability evaluation model using confirmatory factor analysis. The research data were obtained by distributing questionnaires as many as 150 respondents to 3 market leader online trading sites in Indonesia, namely lazada.co.id; shopee.co.id and tokopedia.com. The five components that will be used to turn into a questionnaire are learning ability, memory, efficiency, errors, satisfaction. The results showed that the design of the model in solving this particular problem is needed to measure the level of suitability of the use of the technology being made, so that research that has been carried out using the CFA method for the usability evaluation model can be concluded that by using 5 latent variables and 22 constituent indicators, resulting latent variables which are very influential in evaluating usability on online buying and selling sites. The results of the data analysis on questionnaire filling conducted by respondents were based on five variables, namely learnability, memorability, efficiency, errors and satisfaction, namely the most important factors in usability evaluation were memorability, efficiency, errors, with each index value of 5.60 in the very high category. Meanwhile, the Learnability factor has the lowest score of 5.56.
Penerapan K-Nearest Neighbors (KNN) untuk Klasifikasi Aset dalam Upaya Menentukan Aset Wakaf Produktif Sugiarto, Edi; Fahmi, Amiq; Muslih, Muslih; Hendriyanto, Novi
Jurnal Transformatika Vol. 19 No. 2 (2022): January 2022
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i2.3356

Abstract

aset wakaf berupa tanah yang tersebar di Indonesia terbilang cukup besar, sehingga aset wakaf yang besar ini perlu dikelola dengan baik agar tidak menimbulkan banyak permasalahan yang pada akhirnya tanah wakaf tidak sesuai dengan tujuannya dan tidak dapat digunakan untuk kepentingan umat. Instrument pengamanan aset wakaf telah memenuhi, namun masih banyak muncul persoalan mengenai aset wakaf seperti menguapnya bondo wakaf, sengketa, alih fungsi, dll, sehingga dalam hal ini menunjukan bahwa banyak persoalan terkait pengelolaan aset wakaf yang harus dipecahkan. potensi wakaf sangat besar, bahkan diperkirakan potensi tanah wakaf di indonesia mencapai lima kali luas singapura, namun saat ini belum dikelola secara profesional dan lebih produktif. Penggunaan tanah wakaf di indonesia masih identik dengan masjid dan makam, padahal wakaf dapat juga dikelola menjadi aset-aset ekonomi yang menghasilkan keuntungan sehingga hasil dari wakaf produktif tersebut dapat digunakan untuk kepentingan umat. K-Nearest Neighbors (KNN) merupakan algoritma klasifikasi yang didasarkan pada analogi yaitu membandingkan data uji dengan data latih yang berada dekat dengan dan memiliki kemiripan dengan data uji tersebut, dalam penelitian ini KNN digunakan sebagai metode untuk klasifikasi aset wakaf guna mengidentifikasi aset wakaf tersebut berpotensi produtif atau tidak produktif. Penelitian dilakukan dengan menggunakan 57 data aset wakaf yang diperoleh dengan membagi menjadi 45 data untuk training dan 12 untuk testing. Hasil pengujian yang telah dilakukan membuktikan metode KNN ini memiliki akurasi yang baik untuk klasifikasi aset wakaf yaitu mencapai 93% pada data training dan 83% pada data testing.
Sistem Informasi Pendanaan Proyek Berbasis Web Pada Perusahaan Jasa Konstruksi Magdalena, Hilyah; Santoso, Hadi; Leonita, Litha
Jurnal Transformatika Vol. 19 No. 2 (2022): January 2022
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i2.3670

Abstract

CV. YustiKarya as a construction company realizes that the ability to manage project finance is one of the important requirements for smooth project management. CV. YustiKarya often has to manage several projects simultaneously with remote locations. This condition made it difficult for financial staff in the office to manage project financial allocations and also made it difficult for project managers in the field and had to report the status of project expenditures to the office. This difficulty drives CV. YustiKarya is to improve the project's financial management system which originally used a spread sheet to become a web-based information system. Web-based information systems will be developed using object-oriented methods. The object-oriented system development method was chosen because of its modular development capabilities and adapts to system requirements. The information system that is produced is able to create a construction project management system starting from employer entry, contract entry, billing entry, printing proof of receipt, printing proof of expenditure, and generating project income and expenditure reports online. Web-based information systems will automate the financial status of projects whose locations are scattered. This system also makes it easy for directors to be aware of current project developments.
Semantic Web Seni Pertunjukan Indonesia Virginia, Gloria; Susanto, Budi; Proboyekti, Umi; Nugraha, Silvanus Satno
Jurnal Transformatika Vol. 19 No. 2 (2022): January 2022
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i2.4327

Abstract

Documentation of performance arts is an effort of cultural heritage to maintain the dignity and nobility of a nation.   Semantic web is a promising alternative that support the objective.   From the user side, the website will be more informative, while from the technical side, the website has ontology (a well-defined formal knowledge which is highly potential to be related to other websites). This research is an effort to developed a performance arts ontology using Methontology method.   To enrich the ontology, two ontologies were merged .   Linked-data principal was implemented by the use of dbpedia.   The ontology was evaluated based on 4 parameters (consistency, completeness, verification, and validation) and proved to be effective while implemented in a website.
Evaluasi Kualitas Website Menggunakan Webqual 4.0 (Studi Kasus: Sistem Informasi Kebencanaan Kabupaten Boyolali) Ramadhan, Muhammad Rizky; Hartomo, Kristoko Dwi
Jurnal Transformatika Vol. 19 No. 2 (2022): January 2022
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i2.4195

Abstract

This study aimed to measure the quality of the Disaster Mitigation Information System (Sikabi) belonging to the Regional Disaster Management Authority of Boyolali Regency. Quality tests are carried out to determine the quality and functionality of the system that functions optimally and can display accurate, easily accessible, and useful information for disaster mitigation in the region. The results of the study are useful for providing feedback to information system developers regarding the quality of the website usability aspect, the quality of the information presented, and the quality of the interactions provided as well as the user satisfaction at accessing the Disaster Information System website. This study uses the Webqual 4.0 method which has 4 assessment variables, namely in terms of usability (information quality), interaction service (interaction quality), and user satisfaction while accessing the website (overall impression). From the research results, the information quality variable has a sig value. 0,000 <0,05 which indicates that there is an influence of information quality on user satisfaction in using the Sikabi website. Therefore, we recommend improving the quality of the information displayed on the Sikabi website page.
Evaluation of The Implementation of IBM IOC Using the Delone and Mclean Model SARI, DWI ITA NURMALA
Jurnal Transformatika Vol. 19 No. 2 (2022): January 2022
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v19i2.3870

Abstract

Information systems are an essential part of technological progress, the success of information systems that can produce precise, accuracy, quality, and fast information that enhances the performance of organizations and people. According to Delone and McLean's model, there are an information system's critical success factors. Six key variables that support information systems success are information quality, quality system, service quality, use, user satisfaction, and net benefits. This research uses quantitative research methods, and the data used were 80 respondents by using purposive sampling, assisted by using questionnaire data collection methods. Analysis of the data used is PLS-SEM using the SmartPLS application. The results showed a significant effect on the quality information on use, user satisfaction, and net benefits. There is no significant effect on the quality system to use, user satisfaction, and net benefits. Quality of service is significant for use and net benefits, but there is no significant effect on user satisfaction.

Page 24 of 35 | Total Record : 344

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