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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 46 Documents
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Search results for , issue "Vol 5, No 1 (2014): ComTech" : 46 Documents clear
Analisa Studi Literatur Manfaat Implementasi Komputasi Awan untuk Perusahaan Heripracoyo, Sulistyo
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2602

Abstract

Cloud computing is a phenomenon that is currently a lot of attention from practitioners of information technology. Cloud computing can be composed of several types of services that are known to Saas, PaaS and IaaS, public and private cloud computing. Companies that do not invest themselves in the information technology infrastructure to use cloud computing services as a solution. By adopting and implementing a cloud computing services company can shift the cost of information technology infrastructure investments become operational costs by purchasing cloud computing services. Nevertheless, cloud computing, especially for the type of private cloud is still a bit of adopting it, whether it is caused by the absence of reference to the implementation or caused by something else. The purpose of this study was to analyze the adoption of cloud computing that suitable and beneficial for the company in its operational activities. The study was conducted by analysis of some of the literature related to cloud computing, benefits and barriers. According to the analysis of the literature can be explained some of the benefits associated with the adoption of cloud computing. Based on several studies that have been done, the benefits of implementing cloud computing is primarily financial savings and benefits of resource management that is the flexibility and scalability of the company's operations. However, some considerations still need to be done for a company that will implement cloud computing and those things are data security issues,  legal issues and the implications for the company.
Model Integrasi Penjadwalan Batch dan Penjadwalan Preventive Maintenance dengan Kriteria Minimisasi Biaya Simpan, Biaya Setup, Biaya Pm, serta Biaya Rework pada Mesin Stabil Zahedi, Zahedi
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2634

Abstract

This study developed a model of batch scheduling involving the unavailability machine to minimize setup costs, cost of preventive maintenance and the cost of rework in a stable machine. This model is considered necessary in order to understand the effect of the unavailability machine for production runs and to understand the effect on the batch production schedule. The results of this study indicate that the first and last run will not give single batch. Given a hypothetical example of how the model and algorithm developed solve the problem instance. 
Pemantau Lokasi Benda Bergerak Berbasis Web dengan Menggunakan Teknologi GPS Dan 3G Tanutama, Lukas; Hutabarat, Daniel P.
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2639

Abstract

This research aims to develop a system to monitor moving objects via web. The moving objects could be owned by individuals or company and can be used and managed independently. The system consists of three subsystems namely Mobile Geographical Location Sender (MGLS), Main Geographical Location Information Control (MGLIC), and Geographical Location Information User (GLIU). MGLS functions as geographical sensor. It retrieves GPS data and sends periodically to MGLIC as the main controller via 3G service. MGLIC is the receiving server and designed as web server as well. The web server is the host of a control application that processes GPS data that was sent by MGLS. The data is stored in a database and is centrally displayed. The processed information can also be used by GLIU, as another user that needs the information. Experimental test shows that the system can function according to the design. 
Konsep Arsitektur Tradisional Sunda Masa Lalu dan Masa Kini Suharjanto, Gatot
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2644

Abstract

It is known that traditional architectures are a product of human conception full of culture and philosophy, while modern architectural concepts prioritize functionality and simplicity that tends to be simple or quick. Now the architectural concept slowly changes according to the conditions of time, then so is the existence of works of architecture that also changes. This condition can be found in almost major cities in Indonesia, where many houses or buildings built still in traditional architecture theme but combined and matched with modern architecture concept. One of many diverse cultures of Indonesia archipelago architecture that has evolved is West Java. There are a lot of people trying to apply the concept of Sundanese traditional house in their residence. Shifting sacred values in traditional concept seems indeed to be lost along with the differences in modern human civilization.
Penggunaan Metode Respondent Driven Sampling (Rds) dalam Survey Pemasaran Beras di Provinsi Kepulauan Riau Pudjihastuti, Herena
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2625

Abstract

As a Free Trade Zone (FTZ), the province of Riau Islands has a different pattern of strategic commodity (such as rice) marketing comparing to other regions in Indonesia. To anticipate and control the negative effects of the implementation of FTZ policy, It is necessary to study about rice marketing trade system in the Riau Islands region. The study was conducted to identify patterns of supply and marketing of food (rice) and analyze the marketing margin and marketing efficiency as well as the factors that influence it. The study was conducted through desk study and field surveys. Secondary data was collected from various sources and primary data collected through interviews with selected respondents using Respondent Driven Sampling method (RDS). The study shows that the structure of the rice market in Riau Islands can be categorized as monopolistic. Most of the rice supply comes from outside the region and import, the supply chain is quite simple, the price is relatively stable and relatively efficient marketing and resilience of rice reserves are relatively high for merchants. Nevertheless, the Riau islands will be very susceptible to interference distribution. Required efforts of the provincial government of Riau Islands to provide sufficient rice reserves. This paper gives an example of the use of the RDS method in marketing surveys.
Tantangan Pewirausaha di Bidang TI: Bagaimana Menghasilkan Keuntungan dari Ide? Studi Kasus Pada PT “IPS” (Payment Gateway) Lisanti, Yuliana
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2584

Abstract

It was not easy to start a business, let alone to run it. However, the spirit and ideas of the three founder of PT ?IPS? has successfully created an innovative business that is a payment gateway to help sellers and buyers to make purchases online. However, there is a major problem for many IT entrepreneurs faced by PT ?IPS? that is how to gain profit from the business. PT ?IPS? hopes to make a profit from the efforts undertaken By understanding customer behavior and how other business people can get profit from the business relating to technology, such as improving customer value, distinguishing between types of member and amenities, providing "ignored" biaya by the user and working with other business people in the same field.
ICT Memungkinkan Orang Bekerja dari Rumah: Studi Kasus pada Bank dan Kursus Online Lisanti, Yuliana
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2575

Abstract

The Information technology and telecommunications (ICT - Information and Communication Technology) utilization to facilitate the home worker or teleworker has started being implemented in many companies. The study showed that the home worker offers benefits such as offering the flexibility to improve employee?s work-life balance, cost savings from hot desking implementation, which also support the clean desk policy implementation. In addition, the government needs to encourage firms to adopt the work from home concept, as it can helps to facilitate housewives hence they can have additional income, furthermore, the home worker  could help to solve social problems such as traffic congestion in major cities.
Evaluasi Good Corporate Governance atas Kebutuhan Donatur pada Penerapan Crowdfunding di Indonesia: Studi Kuantitatif dan Kualitatif pada Efekrumahkaca.Net, Patungan.Net, dan Wujudkan.Com Tirdanatan, Nia Utami; Georgiana, Vina; Sun, Yen
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2598

Abstract

This research aims to evaluate the implementation of Good Corporate Governance (GCG) in ensuring the good management of crowdfunding entities in Indonesia. Research methodology is using both quantitative and qualitative approaches. Quantitative approach was conducted by analyzing the factors of the driving forces for donors in financially participating in crowdfunding initiatives. Conceptual framework is developed and a study was conducted to 96 donors from three Indonesian crowdfunding portals. The findings of quantitative study show that the main factor that drive the donors to participate is motivation to accomplish, social merit factors and good trust to the project creator. Based on that results, qualitative study was conducted to evaluate the implementation of Good Corporate Governance (GCG) principles in those three Indonesian crowdfunding portals. The evaluation explains that GCG principles has been well implemented by those administrators of crowdfunding portals. Nevertheless, serious concern should be taken in the area of accountability and financial reporting. The research provides insights for crowdfunding practitioners to be succesfully raise funding and for crowdfunding platforms to be sustainable in this business by implementing good corporate governance. This research takes a further step in explaining crowdfunding phenomenon in Indonesia.
Klasifikasi Motif Batik Berbasis Kemiripan Ciri dengan Wavelet Transform dan Fuzzy Neural Network Rangkuti, A Haris
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2630

Abstract

 This paper introduces a classification of the image of the batik process, which is based on the similarity of the characteristics, by combining the method of wavelet transform Daubechies type 2 level 2, to process the characteristic texture consisting of standard deviation, mean and energy as input variables, using the method of Fuzzy Neural Network (FNN). Fuzzyfikasi process will be carried out all input values with five categories: Very Low (VL), Low (L), Medium (M), High (H) and Very High (VH). The result will be a fuzzy input in the process of neural network classification methods. The result will be a fuzzy input in the process of neural network classification methods. For the image to be processed seven types of batik motif is ceplok, kawung, lereng, parang, megamendung, tambal and nitik. The results of the classification process with FNN is rule generation, so for the new image of batik can be immediately known motif types after treatment with FNN classification.  For the degree of precision of this method is 86-92%.
Perbandingan Metode Konstruksi Dinding Bata Merah dengan Dinding Bata Ringan Tedja, Michael; Charleshan, Charleshan; Efendi, Jefri
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2621

Abstract

The development of technology and the demands on the speed of the construction project cause the material manufacturers compete to create a new material that can accelerate the process to build a building. Wall is one of the non-structural elements on a building. Both low-rise building and high-rise building are no doubts using this material. Wall works can use two different types of material, such as brick wall made of red clay and light brick wall made of cement, silica sand, and limestone. In the construction process wall is needed in a large amount of area, so the difference of the price should be examined in choosing the type of the material to gain efficient cost. The purpose of this study is to determine which method of wall construction is more efficient in terms of cost and time, the use of red brick wall or brick wall light. The study was conducted using survey, comparative, literature study method. Results indicate that both methods have advantages and disadvantages. Red brick wall method is cheaper in the cost of the process, while the lighter brick wall method much faster in the process.

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