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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 1,585 Documents
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Aplikasi Migrasi Database dan Replikasi Bi-Directional Ricky, Michael Yoseph
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.v2i2.2828

Abstract

This study aims to analyze and design a migration and replication configurations in an enterprise using several methods such as literary study and direc survey to the company; analysis on hangar systems, process migration and replication as well as existing problems; and a prototype design for migration process implementated with Oracle SQL Developer and replication process implementated with Oracle GoldenGate. The study resluts ini a prototype for migration and replication configuration processes using Oracle's Golden Gate which can produce two sets of identical data for backup and recovery. Also a simple tool is designed to assist active-active replication process as well as active-passive one. The migration process from MySQL database to Oracle database using Oracle GoldenGate can not be done because GoldenGate Oracle has bugs related to the binary log, so database migration is done using Oracle SQL Developer. However, bi-directional replication between Oracle database using Oracle GoldenGate can ensure data availability and reduce the workload of primary database. 
The Implementation of Quality Function Deployment (QFD) in Tire Industry Hadi, Hari Abdul; Purba, Humiras Hardi; Indarto, Kurnia Sigma; Simarmata, Rorio Gomgom Paska; Putra, Guntur Pratama; Ghazali, Dabith; Aisyah, Siti
ComTech: Computer, Mathematics and Engineering Applications Vol 8, No 4 (2017): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v8i4.3792

Abstract

This research had two main objectives. The first research objective was to make the right design of new product according to customer requirements with the implementation of Quality Function Deployment (QFD) in the tire industry. The second research objective was to enhance competitiveness based on the renewal of marketing strategy and consumer needs, non-explosive prohibition, non-slip tires, no bulgy, and competitive prices. The research was carried out by using costumer satisfaction rating by comparing with the competitor companies. Based on calculation using QFD method, it shows that split liner has the highest percentage of technical requirement in tire industry about 30,57%. The second factor is pattern design about 25,98%. Then, the third factor is compound technology about 22,68%. Therefore, the researchers can recommend several strategies for the quality improvement based on customer needs for the tire industry.
Game Real Time Action RPG Online Berbasis Flash: Alternatif Bermain Game dengan Spesifikasi Perangkat Keras Minimal Elidjen, Elidjen; Purnomo, Paulus Adi Adi; Prasetyo, Budi
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2304

Abstract

Various games are available for a variety of community as one means of entertainment which is getting more popular these days. However, sometimes several games can not be played on computer due to insufficient hardware specifications support. This situation developed the making of ChainKiller Game, a Flash based real time action RPG online game to provide an alternative as well as interactive and interesting game with a minimum hardware specification. The sequential linear process model is used to develop the overall game. Besides, a literature study was implemented to enrich the insight to develop the interesting mini game. The real-time action RPG online game which is based on Flash can be easyly used with minimum hardware specification. 
Perbandingan Koefisien NMF dan Proyeksi Bilinear Space Sebagai Fitur pada Pengenalan Ekspresi Wajah Manusia Salim, William
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.v3i1.2470

Abstract

NMF is one new developed method to make the part-based representation of non-negative data, such as human face image. NMF can reduce the dimension of high dimensional data such as multimedia data. In many researches,NMF can also used as a classification technique done by utilizing the extracted feature through NMF process. This article discusses about the classification technique of human face expression using NMF. This is done using NMF coeffisient and bilinear projection of face image. Some researches show the use of NMF coefficient in classification and some others use bilinear space projection. This research is conducted by simulating face espression recognition to the two available approaches and then comparing the accuracy and time efficiency aspect of the two methods. Through this research, it can be concluded that the use of NMF coefficient results in better accuracy compared to bilinear space projection, but bilinear space projection obtains better time efficiency.
Hubungan Deret Bertingkat Berdasarkan Bilangan Eulerian dengan Operator Beda Gunawan, Alexander Agung Santoso
ComTech: Computer, Mathematics and Engineering Applications Vol 2, No 1 (2011): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v2i1.2727

Abstract

Rank series defined as: is a generalization of the fixed rank series (the sum of powers), in which its closed solution has been found empirically by Jacob Bernoulli in 1731. This paper will explore the relationship between rank series and differential operator. To see this relationship, examples for the case m = 1.2 and α = 1.2. are provided. 
Perancangan Sistem Informasi Penjualan, Pembelian, dan Inventori pada CV Bambi Hartono, Sugiarto
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.v4i2.2609

Abstract

CV Bambi considers to use IS and IT to get competitive advantage. Thus, CV Bambi needs a system that utilizes IT and records all business transactions, especially in sales, purchasing, and inventory processes so that data redundancy will be minimal. This research creates information system design of sales, purchasing, andinventory processes as well as reports that can be used by the management. Methodology used in this paper is unified process with object-oriented approach. The result is an information system design that can solve problems in data searching since all the data have been stored in a database. When sales or purchasing transaction occurs, the stock in inventory system will be automatically updated. This system will make easy the manager to read reports by using reporting feature.
Evaluasi Sistem Informasi Penjualan PT SPNS Gui, Anderes; Gondodiyoto, Sanyoto; Japari, Japari
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.v1i1.2203

Abstract

The purpose of this paper is to identify and analyze problems that occur in information systems sales PT SPNS. It also serves to control the management and control of applications running well so it can produce accurate information for decision making. The method used is book study method and field study. Study was done by reading library books, scientific papers and other sources, while the field study was done by observation, interviews, and questionnaires. The result of the evaluation is derived from the respective strengths and weaknesses - each control. Weaknesses are found, the findings presented in the form of a matrix that contains the findings and recommendations as a matter of risk remedial action. Conclusions obtained from the audit for security control, operations, limitations, input and output is good enough because it can satisfy and support the sales activities of PT SPNS.
Penelitian Morfologi Teritisan dengan Sistem Kinetik dan Efektifitasnya pada Bangunan Kantor Sjarifudin, Firza Utama
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.v2i2.2926

Abstract

Shading device serves as a shade and protection against negative influences caused by the uncertain external conditions. This article discusses the study of kinetic shading system and evaluates its effectiveness against a wide range of environmental factors and their effects on building. The study performs simulation of thermal factors, day lighting, airflow, and energy generation. Morphological types of shading device to be tested are systems of overhang, folded, horizontal louvre, and vertical louvre. The test results demonstrate that kinetic system obtains more advantages and effectiveness than the standard and static systems do. Therefore, it can be concluded that this study is able to be used as a reference for designing kinetic shading device which is responsive to environmental factors. 
Pengembangan Model E-Bisnis di Indonesia Subekti, Mohammad
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.v5i2.2338

Abstract

Problems in building e-business is the number of influential factors that really should be considered in the design, especially from the aspect of a relatively bad infrastructure in Indonesia. By doing appropriate design, it can at least reduce the impact due to various shortcomings that exist, it is intended that the users are able to surf comfortably and safely in a business website in cyberspace. In managing e-Business, there are business models that can be done by the businessman in the virtual world, but the e-Business models vary according to the character and culture of each region. What e-Business models are suitable to be applied in Indonesia, according to the character and culture of Indonesia, as well as the ability of the existing infrastructure will be described in this article. One solution is the utilization of social networking that is widely used, even though there are positive and negative sides of it. Then, what kinds of advantages are gained, in both for managing the site and as well as benefits for the customers
Peran Business Intelligence dalam Solusi Bisnis Siswono, Siswono
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.v4i2.2518

Abstract

The purpose of this study is to give examine the use of Business Intelligence as a critical technology solutions in the decision making by management. Business Intelligence application is able to address the needs of organizations in improving problem analytical skills encountered in making decisions with the ability tocollect, store, analyze and provide access to data, as well as dovarious activities such as statistical analysis, forecasting, and data mining.

Page 13 of 159 | Total Record : 1585

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