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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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Perancangan Aplikasi J2me Untuk Point Reward Jaka Hartanto
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.v1i2.2375

Abstract

As the development of communication technology, celular phone was no longer functioned as communication media but also as business media. This improvement could also be utilized as alternative of marketing strategy, one of it was point reward system which aimed to increase customer retention. The methology that would be used i.e. analitical analisys, literature and application design that of designing J2ME application to interact with customer. In analysis phase, several activities were: questionnaire which was spread to customer, interviewed the tenant and observed current marketing and promotion system in a mall. Information needed then analyzed as input. The input later be used in design phase to obtain the finals result in accordance with the requirements. 
Peran Website Restoran terhadap Daya Tarik Konsumen Online Budi Yulianto; Lusiana Citra Dewi; Oky Wijaya
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.v5i2.2376

Abstract

Less-usability restaurant website will decrease its online sales. Restaurant website must easy to use and has good interface. The goals of the research are designing a restaurant website that can be online accessed by consumers and analyze its level of usability, interface, and multimedia elements. Outputs of the research are a restaurant website that delivers its information, place booking and delivery order facility, and location. Development methodology uses waterfall that contains system engineering, analysis, design, coding and testing, implementation, and maintenance. Conclusion of the research has shown that the developed website attracts online consumers, easily access to get information, good interface, and contains multimedia elements to supports restaurant in delivering newest product or information, as a good promotion tool that can be accessed 24 hours anytime and anywhere.
Kajian Komposisi Sebagai Dasar Pemahaman Bentuk pada Komputasi Perancangan Arsitektur Riva Tomasowa
ComTech: Computer, Mathematics and Engineering Applications Vol. 3 No. 1 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i1.2377

Abstract

Composition and CAAD are closely related to structure logic. Composition is built by numbers which are also the language of CAAD frame algorithm. This bond provides the opportunity and privilege to help map the composition of CAAD into concrete manifestation. This paper examines both the composition of the basicconcepts introduced to students and the application to the computerized design. Awareness of students as designers is reviewed towards the tools and their potential availability in the case of form composition from the basic field. The specialty of this tool is able to redefine the creativity path to be logical and measurable. This opportunity provides acceleration towards form searching and balanced expression according to the designer’s interpretation. The user’s ability to optimize the modeling tool helps start the formation of the basic ideas. Starting from digital sketch, it gives room for the evolution and development of a vast alternative design.
Rancangan Aplikasi Manajemen Dokumen Tender Berbasis Web Pada PT. Emi Sablin Yusuf
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.v1i2.2378

Abstract

The objective of this researh is to design a software application for bidding document management as required by PT Energy Management Indonesia (EMI) in order to increase the company performance. The methodology used is fact-finding through direct observation, followed by literature study, and web application development method using waterfall model and rapid prototyping for software development. The result is a software application, web based, which can increase the company performance due to the required bidding document preparation and the responding data are well stored and managed hence can be accessed easily when needed. In summary the application which is well supported by the related database will assist the company quikly and easily in bidding preparation process 
Kehidupan Penghuni Lanjut Usia di Rumah Susun Sigit Wijaksono
ComTech: Computer, Mathematics and Engineering Applications Vol. 3 No. 1 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i1.2379

Abstract

Any provision of public facilities and infrastructure should provide accessibility for elderly to create a more supportive situation and environment for them in carrying out their social functions and active roles in community life as naturally, state and nation. Accessibility in this case is the availability of public facilities and infrastructure that can facilitate the mobility of elderly in public places, such as wheelchair ramp, the path for stick users, doors, stairs, elevators for multi-storey buildings, and pedestrian crossing. This accessibility can be both physical and non physical. In this research what to be studied is how the implementation of the existing flats can provide accessibility to the elderly residents. Using descriptive exploratory method the condition of their perceptions of occupied flats will be described. This study is carried out qualitatively using interviews.
Adaptasi Crime Prevention through Environment Design (CPTED): Studi Kasus Fenomena Desain Fasilitas Publik Wiyantara Wizaka
ComTech: Computer, Mathematics and Engineering Applications Vol. 3 No. 1 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i1.2380

Abstract

Crime issues are quite familiar with the Indonesian folks, especially those living in big cities. Many things have been attempted by various parties to prevent and minimize crime. So far these efforts are more likely as arrest and punishment rather than prevention because prevention is much more difficult and more complex. Therefore it is sensible that crime prevention should be executed not only by law forces but also all elements of society who are able to contribute directly or indirectly to this regard. If indeed it is the responsibility of all elements of society, what can be done by us as designers or architects to this matter? In this paper is discussed the phenomenon of adaptation of the Crime Prevention through Environmental Design (CPTED) concept in public facilities in some areas and abroad.
Sistem Pencatatan Kehadiran Berbasis Java Card Lidya Octarina
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.v1i2.2381

Abstract

The purposes of this research are to prevent jockey in exams, reduce the occurrence of error in attendance record at practicum or exams, and reduce error in filling students' attendance status to the attendance system. Three main parts of software development method are used; analysis, design, and literature method. Current system survey, analysis of the survey findings, identify the information, and identifying system requirements are implemented in analysis method. The design method that is used in this research is Unified Modeling Language (UML). The using of attendance recording system that uses Java Card-based application makes students identity card has a new function as the tool to make attendance. Conclusion of the research has shown that it can prevent identity fraud, minimize the time wasted in attendance system, reduce the printing paper, and reduce tagging errors eligibility status exam of students. 
Identification of Architectural Functions in A Four-Dimensional Space Firza Utama; Daryanto Daryanto
ComTech: Computer, Mathematics and Engineering Applications Vol. 3 No. 1 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i1.2382

Abstract

This research has explored the possibilities and concept of architectural space in a virtual environment. The virtual environment exists as a different concept, and challenges the constraints of the physical world. One of the possibilities in a virtual environment is that it is able to extend the spatial dimension higher than the physical three-dimension. To take the advantage of this possibility, this research has applied some geometrical four-dimensional (4D) methods to define virtual architectural space. The spatial characteristics of 4D space is established by analyzing the four-dimensional structure that can be comprehended by human participant for its spatial quality, and by developing a system to control the fourth axis of movement. Multiple three-dimensional spaces that fluidly change their volume have been defined as one of the possibilities of virtual architecturalspace concept in order to enrich our understanding of virtual spatial experience.
Dampak RFID pada Stok Barang Retailer I Gusti Made Karmawan
ComTech: Computer, Mathematics and Engineering Applications Vol. 3 No. 1 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i1.2383

Abstract

The development of RFID technology (Radio Frequency Identification) offers some advantages, especially in goods distribution, supply chain and logistics. This technology works by putting a chip on an item as a replacement for barcodes that are widely used today. With the RFID technology, the process of goodsidentification becomes very easy and fast. Therefore, some large companies have started implementing and trust the system, especially the supermarket retailers although there are still some problems encountered in the application of this system, related to issues of privacy and data integrity problems. This paper discusses how RFID works and the impacts to the company related to profits and problems encountered during the application of this system.
Implementasi Jaringan Syaraf Tiruan Recurrent Dengan Metode Pembelajaran Gradient Descent Adaptive Learning Rate Untuk Pendugaan Curah Hujan Berdasarkan Peubah Enso Afan Galih Salman; Yen Lina Prasetio
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.v1i2.2384

Abstract

The use of technology of technology Artificial Neural Network (ANN) in prediction of rainfall can be done using the learning approach. ANN prediction accuracy measured by the coefficient of determination (R2) and Root Mean Square Error (RMSE).This research employ a recurrent optimized heuristic Artificial Neural Network (ANN) Recurrent Elman gradient descent adaptive learning rate approach using El-Nino Southern Oscilation (ENSO) variable, namely Wind, Southern Oscillation Index (SOI), Sea Surface Temperatur (SST) dan Outgoing Long Wave Radiation (OLR) to forecast regional monthly rainfall. The patterns of input data affect the performance of Recurrent Elman neural network in estimation process. The first data group that is 75% training data and 25% testing data produce the maximum R2 69.2% at leap 0 while the second data group that is 50% training data & 50% testing data produce the maximum R2 53.6%.at leap 0 Our result on leap 0 is better than leap 1,2 or 3. 

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