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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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Implementasi Balanced Scorecard pada Unit Usaha Kecil Menengah: Studi Kasus sebuah Restoran di Jakarta Widaningrum, Dyah Lestari; Kabul, Ivanaldy
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.v5i2.2359

Abstract

Increasing competition requires companies both large and small, to be more productive and innovative, therefore, companies need to be supported by an effective performance measurement system. In this research, the implementation of a balanced scorecard in SMEs engaged in the management of a restaurant, for a chance to be more superior and to compete amid the rapid development of the restaurant sector. Strategic map based on four perspective of Balanced Scorecard was defined, completed with agreement of strategic objective and measurement. This implementation give evidence that even with many limitations on SMEs, they have developed balanced scorecard, with adjustment based on condition for strategic objective performance indicator, so this performance measurement evaluation process is applicable and able to achieve the main objective, to provide information for continuous improvement process.
Application Design of Human Resource Information System on Binus Student Learning Community of Bina Nusantara University Heriyanni, Eileen; Wibisurya, Aswin; Adinugroho, Timothy Yudi
ComTech: Computer, Mathematics and Engineering Applications Vol 6, No 3 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i3.2259

Abstract

Information exchange between human resources within an organization is a valuable asset that must be managed properly. Information technology now supports information management between human resources through Human Resource Information System (HRIS). Binus Student Learning Community (BSLC) implementsdifferent technologies for each work they performed so that affect the quality of information exchange and performance of their members. This study aims to streamline the used technology in BSLC by combining it all into the same system through the implementation of HRIS constructed by Extreme Programming (XP) method. Results of this research is the web-based HRIS BSLC application and expected to improve the quality of information exchange and optimize the performance of BSLC?s members.
Perancangan Sistem Informasi Penjualan pada Perusahaan Jasa Service Provider Christian, Lianawati; Urfan, Mulfasli
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.v3i1.2391

Abstract

Along with the development of technology, every line of business as well as services needs information systems to support the company operations. This research is objected to analyze, identify information needs, repair and design accounting information system of service sales required by the management to support decision making and address the issues in the running system on a service company. Several methods were carried out on this research, such as data collection and information; analyses on the running system; analyses of research findings;, identification of information needs, and identification of system requirements, as well as object-oriented design methods, namely the problem domain analysis, application domain analysis, architecture design and component diagram. The results obtained in the form of improvements in the running system which was an application that informs the design of document numbering, filing, and reports. The accounting information system of service sales at the studied company produced needed reports timely, completely and accurately that can be utilized by the management in decision-making.
Fasilitas Transit Transportasi Umum sebagai Media untuk Menciptakan Mobilitas dan Bagian Kota Jakarta yang Sehat Prawata, Albertus
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.v5i2.2293

Abstract

Approximately 50% of Indonesia's population lives in cities. One of these towns is a metropolitan city of Jakarta, an area that has a population of over 14.1 million people. New residential areas are springing up in the suburbs of Jakarta due to the urban sprawl that is increasingly out of control. Thus the activities of traveling from home to work will be a major requirement, and this activity has given rise to problems such as traffic jam. In this study, the research conducted on the data of public transportation in Jakarta, which is followed by a literature review, from books, the internet and the results of a survey involving 130 respondents about the use of public and private transport in Jakarta. In addition to the survey, also conducted a comparative study to look directly into the field one factor supporting public transport, the MRT station in Singapore and TransJakarta bus stop on Jalan Sudirman, and do a comparison analysis. The purpose of this paper is to come up with new solutions in public transport facilities presenting a friendly and optimized for all the people of Jakarta. The method used was to collect data through surveys and literature studies.
Application of Data Mining Algorithm to Recipient of Motorcycle Installment Dhika, Harry; Destiawati, Fitriana
ComTech: Computer, Mathematics and Engineering Applications Vol 6, No 4 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i4.2192

Abstract

The study was conducted in the subsidiaries that provide services of finance related to the purchase of a motorcycle on credit. At the time of applying, consumers enter their personal data. Based on the personal data, it will be known whether the consumer credit data is approved or rejected. From 224 consumer data obtained, it is known that the number of consumers whose applications are approved is 87% or about 217 consumers and consumers whose application is rejected is 16% or as much as 6 consumers. Acceptance of motorcycle financing on credit by using the method of applying the algorithm through CRIS-P DM is the industry standard in the processing of data mining. The algorithm used in the decision making is the algorithm C4.5. The results obtained previously, the level of accuracy is measured with the Confusion Matrix and Receiver Operating characteristic (ROC). Evaluation of the Confusion Matrix is intended to seek the value of accuracy, precision value, and the value of recall data. While the Receiver Operating Characteristic (ROC) is used to find data tables and comparison Area Under Curve (AUC).
Permasalahan Pengerjaan Pondasi dan Dinding pada Proyek Perumahan Nurdiani, Nina
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.v3i2.2327

Abstract

Good housing quality will make the age of building more longer, and occupants will be more comfortable to live in the house. Due to high of growth of housing projects and the need to finish quickly, developers often pay less attention to the quality of the building work. Many problems occurred in the work area during the construction of housing projects. It could hinder the work and affect the physical quality of buildings after the construction period. This study explores the issue of housing project development, focusing on foundation and wall consruction, as well as the solution. The study is conducted by field observations and literature review related foundation and wall consruction. The locations are taken from five housing projects in Jakarta built by private developers in 2008-2010. The results provide information that the issue on foundation and wall consruction is very important because it is associated with the strength and robustness of the building, as well as the convenience of staying after the construction finished. If the problems can be addressed and resolved early, the risk of decline in the quality of the building can be controlled, avoided or eliminated. Otherwise, it can lead to a decrease in housing quality prematurely.
A Reusable Software Copy Protection Using Hash Result and Asymetrical Encryption Wibisurya, Aswin; Adinugroho, Timothy Yudi
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.v5i2.2215

Abstract

Desktop application is one of the most popular types of application being used in computer due to the one time install simplicity and the quick accessibility from the moment the computer being turned on. Limitation of the copy and usage of desktop applications has long been an important issue to application providers. For security concerns, software copy protection is usually integrated with the application. However, developers seek to reuse the copy protection component of the software. This paper proposes an approach of reusable software copy protection which consists of a certificate validator on the client computer and a certificate generator on the server. The certificate validator integrity is protected using hashing result while all communications are encrypted using asymmetrical encryption to ensure the security of this approach.
Perancangan Sistem Informasi Penjualan, Produksi dan Persediaan pada PT Triwarna Eka Multimedia Surja, Stephanie; Sanjaya, Lius Steven
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.v5i2.2350

Abstract

The idea to design an information system in PT Triwarna Eka Multimedia arises because of the current information system is still very traditional and it has an enormous dependency to physical data. Designing of an information system in PT Triwarna Eka Multimedia is aimed to identify the organization needs in managing their business process operational related to current data of sales, production and inventory. The result from those processes is aimed to build an integrated system that can meet all of the organization?s needs in running their daily business process and facing the rivalry from the competitors. The method used in this paper is a survey, literature review, and analysis of current business processes in the company These needs will be documented by using unified modeling language. This information system makes all the current operational business activities easier with the more enhanced automation than the previous information system. This system will also minimize the data lost and human error, which is usually cause by the manual process and storage data of physical data.
Step Respons Motor DC by Using Compression Signal Method Dewanto, Satrio
ComTech: Computer, Mathematics and Engineering Applications Vol 6, No 3 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i3.2249

Abstract

Output signal in the form of a step response of a DC motor can be obtained by providing the input signal to the motor in the form of a signal step directly. Step response obtained in this way usually contains a lot of noise. To reduce noise, this research was designed with the aim to get the step response using signal compression method in which the input signal is not a step but a signal with a specific shape given to the motor and if the output signal of the motor is compressed, it will obtain impulse response. Step response of the DCmotor can be obtained by doing the integral to the impulse response. Step response which is obtained using signal compression method will be used to estimate parameters model of DC motor to see the validity of this method. The result of this research shows that the estimated value of the parameters from the step response has value closer to the value of the parameters given to the model of a DC motor. The conclusion of this research is the method of signal compression can be used to obtain the step response of a DC motor model. Further research will be conducted on the actual motor instead of using a mathematical model.
Identification of Architectural Functions in A Four-Dimensional Space Utama, Firza; 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.

Page 69 of 159 | Total Record : 1585

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