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INDONESIA
ComTech: Computer, Mathematics and Engineering Applications
Published by Universitas Bina Nusantara
ISSN : 20871244     EISSN : 2476907X     DOI : -
Core Subject : Science, Education, Engineering,
Computer Science & IT Engineering Mathematics
The journal invites professionals in the world of education, research, and entrepreneurship to participate in disseminating ideas, concepts, new theories, or science development in the field of Information Systems, Architecture, Civil Engineering, Computer Engineering, Industrial Engineering, Food Technology, Computer Science, Mathematics, and Statistics through this scientific journal.
Arjuna Subject : -
Articles 1,585 Documents
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Alur Kerja Baru Simulasi Performa Bangunan Dalam Proses Desain Parametrik Sjarifudin, Firza Utama
ComTech: Computer, Mathematics and Engineering Applications Vol 1, No 2 (2010): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v1i2.2654

Abstract

Makalah ini menjelaskan hubungan alur kerja baru antara program pemodelan CAD 3D (Rhino/Grasshopper) dan simulasi pencahayaan dengan (Radiance/Daysim). Alur kerja perancangan yang sangat efektif dalam Rhino disajikan secara langsung dengan mengekspor geometri, material properties, dan sensor grid ke dalam format Radiance/Daysim untuk menghitung serangkaian indikator performa termasuk peta radiasi matahari serta faktor pendistribusian pencahayaan dalam setahun. Hasil simulasi secara otomatis dikirim kembali ke dalam Rhino menggunakan pemetaan warna. Dengan menggunakan Grasshopper, parameter desain utama seperti ukuran jendela dan deskripsi material dapat diubah secara bertahap dan hasil simulasi dapat dikombinasikan menjadi sebuah simulasi performa bangunan dalam bentuk animasi transformasi parametrik. Desain alur kerja ini telah secara khusus dikembangkan bagi proses perancangan arsitektur dengan menyediakan semua feedback yang sangat berguna bagi perancang secara interaktif dari tahap rancangan skematis sampai tahap pengembangan perancangan. 
Pembangunan Model Database Akreditasi Online bagi Peningkatan Kerja Assesor untuk Sekolah Menengah Kejuruan Inayatulloh, Inayatulloh
ComTech: Computer, Mathematics and Engineering Applications Vol 4, No 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2546

Abstract

The research aims to facilitate the implementation of the assessment of vocational school accreditation and to improve efficiency in accreditation assessment by developing a model of online information system and its database design. The assessment of vocational school accreditation covers eight aspects: content standards, process standards, competency standards, standards of educators and educational technicians, facility and infrastructure standards, management standards, financial standards and assessment standards. All activities aim to socialize the web-based information system model. It is a descriptive research method which creates a systematic and accurate description by seeking factual information on relevant agencies to detail and identifying issues or obtaining state of justification and assessments used in carrying out their duties. The result achieved is a model of information system database online accreditation for vocational high school to support the work of assessor.
Pengembangan Aplikasi Media Komunikasi Badan Pengawas Pemilu Republik Indonesia Berbasiskan Web dan Wap Chandra, Alex; Kencana, Tonny Lion; Kurnianingsi, Yurri; Elidjen, Elidjen
ComTech: Computer, Mathematics and Engineering Applications Vol 4, No 1 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i1.2791

Abstract

The research objective is to develop Web-based and WAP-based communiaction media applications to facilitate communication between the Board of Election Supervisors of Republic of Indonesia (Bawaslu RI) with all stakeholders associated with the public election. The research method used are analysis and design Methods. Analysis includes system analysis, identification of information needs, and the analysis of existing websites. The results of this analysis are used to design the applications of the proposed system of communication media. The design is implemented for database design and structured web-based and WAP-based applications. This research obtains Web-based and WAP-based communiaction media applications that facilitate communication about everything related to the public election.
The Occupancy Rate Modeling of Kendari Hotel Room using Mexican Hat Transformation and Partial Least Squares Ohyver, Margaretha; Pudjihastuti, Herena
ComTech: Computer, Mathematics and Engineering Applications Vol 7, No 4 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i4.3766

Abstract

Partial Least Squares (PLS) method was developed in 1960 by Herman Wold. The method particularly suits with construct a regression model when the number of independent variables is many and highly collinear. The PLS can be combined with other methods, one of which is a Continuous Wavelet Transformation (CWT). By considering that the presence of outliers can lead to a less reliable model, and this kind of transformation may be required at a stage of pre-processing, the data is free of noise or outliers. Based on the previous study, Kendari hotel room occupancy rate was affected by the outlier, and it had a low value of R2. Therefore, this research aimed to obtain a good model by combining the PLS method and CWT transformation using the Mexican Hats them other wavelet of CWT. The research concludes that merging the PLS and the Mexican Hat transformation has resulted in a better model compared to the model that combined the PLS and the Haar wavelet transformation as shown in the previous study. The research shows that by changing the mother of the wavelet, the value of R2 can be improved significantly. The result provides information on how to increase the value of R2. The other advantage is the information for hotel managements to notice the age of the hotel, the maximum rates, the facilities, and the number of rooms to increase the number of visitors.
Perancangan Sistem Informasi Prepaid di Perusahaan Makanan Siap Saji XYZ Sihombing, J. Rolles Herwin; Theresia, Selvyna
ComTech: Computer, Mathematics and Engineering Applications Vol 6, No 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2266

Abstract

Prepaid System becomes a new trend in the Indonesia retail industry, particularly in the Food and Beverage (F&B) sector. Many companies are trying to develop their own prepaid system, however they still lack of skills and knowledge regarding this system. This condition might not enable them to deliver the prepaid system to customers properly if they insist to develop their own system. However, this does not happen to company XYZ, the biggest fast food restaurant in Indonesia. Company XYZ, which collaborates with the local partner, implements their own prepaid system in their company. This local partner has already had years of experience in the payment industry, developing payment system that adapts to the latest technology and supports the company's business. A system that is integrated with the point-of-sales and website would absolutely help customer and cashier in doing the transaction process. Integrated data is very useful for the finance and accounting departments of Company XYZ providing annual financial report to the shareholders.
Pengembangan Sistem Manajemen dan Analisis Key Performance Indicator “Smart Kpi” Berbasis Web Meiliana, Meiliana; Bryan, Bryan; Joshua, Felix; Raymond, Raymond
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 2 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i2.2429

Abstract

The goals of organization or company are achieved by the given objectives of all the employees. In order to measure the achievement of the employees, the organization or company can use Key Performance Indicator (KPI). However, most of the application of KPI is done manually, for example in inputting scores, result submission, score checking, and report creation. Seeing this condition, an application called “Smart KPI” is developed to provide an effective and efficient KPI System, to provide the valid KPI data to assist the monitoring of employees performance, and to create the organizational structure by relating the supervisor with the subordinate. This application is developed using Scrum research method that consists of backlog and sprint. The backlog consists of literature studies, comparing previous research or product, distributing questionnaires, and interviewing IT experts. Sprint consists of sprint and release planning and actual sprint work. The result is a PHP based web application for KPI processing for an organization or company that depends on the structure of users and indicators that have been set in the back-end and apply the settings and process the KPI in the front-end. The conclusion that obtained is this application will help the KPI processing which match the user requirement and has a good user interface and performance.
Evaluasi Kepuasan Mahasiswa terhadap Sistem Informasi Penjadwalan Kuliah Biro Administrasi Umum dan Keuangan Universitas Xyz Udiono, Tangkas
ComTech: Computer, Mathematics and Engineering Applications Vol 4, No 1 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i1.2686

Abstract

 One way to identify the success indicator of the use of information systems is conducting a survey of user satisfaction. Measuring the quality of Information Systems of Registration and Lecture Scheduling at the Bureau of Administration and Finance University of XYZ is important because it aims to find out how far the role and utilization of existing information systems run. This research aims to investigate the faktors that influence user satisfaction of the information system. Data are collected through the distribution of questionnaires with the number of respondents as much as 378 students. The data collected are analyzed using sampling techniques. The results of the regression analysis and the correlation between Information System Quality and Information Quality affect student satisfaction by 6.6% and 4.9%.
Model Sistem Informasi Manajemen Sekolah Berbasiskan Notasi Unified Modeling Language Kurniawan, Yohannes
ComTech: Computer, Mathematics and Engineering Applications Vol 4, No 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2572

Abstract

Basically the use of integrated information systems can be applied not only for the company, but also education industry, particularly schools. To support business processes at the school, this research would like to describe a conceptual model of information systems using the Unified Modeling Language (UML) notationwith "4 +1 View" architectural model. This model is expected to assist analysis and design the whole business processes at school. A conceptual model of the information system can help application developers to easily and clearly understand the school system. By adopting this information system model, schools are able to have effective understanding of management information systems.
Rancangan Sistem Informasi Bengkel ”Fast Auto” Darudiato, Suparto
ComTech: Computer, Mathematics and Engineering Applications Vol 1, No 1 (2010): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v1i1.2163

Abstract

A car workshop requires an integrated information system to support business processes. The purpose of this study is to analyze the system information on the “Fast Auto” Car Workshop in order to identify the problem and to propose a new system. In analyzing and designing new systems, object-oriented methodology is applied through the collection of data based on direct observation in the field. Analysis results were used on designing the proposed information system that capable to support the operational activities of the workshop. As the result it will be a good information system and can be fully achieved the effectiveness and efficiency in the operational activities, therefore the executive can have the information that needed to make up a right decision.
Sensor Bergerak untuk Pengenalan Sumber Cahaya dalam Rangka Penghematan Energi Listrik Santoso, Djunaidi; Goeirmanto, Leonard
ComTech: Computer, Mathematics and Engineering Applications Vol 2, No 2 (2011): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v2i2.2823

Abstract

Insufficient electricity supply in Java, Indonesia, has become an critical problem to be dealt by the goverment. One solution campaigned by the government is using electricity effectively by turning off unused devices that waste electricity. To make this action as a routine needs a reminder that can help remind people continually. One example of a reminder is an automatic static sensor which is already applied in some places. Dynamic sensor is one of best method to save energy because it can warn the user to turn off unused lamps. Dynamic sensor is also called moving sensor because it is able to move from a place to another and has a wide service area. This study gives information about the use of moving sensor in some areas in order to save electricity energy. As a pilot project, the use of moving sensor needs to be improved by a further study. 

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