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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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Pengembangan Website E-Marketing: Studi Kasus Pada PT. Usaha Gedung Bank Dagang Negara Honni Honni; Fitri Amelia
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.v2i1.2779

Abstract

Use of the Internet has become a part of business activities, one of which is marketing via the Internet. Marketing is an activity that determines a company’s success. A web-based marketing can eliminate the existing limitations of conventional marketing such as time constraints and distance. Therefore, through this paper is proposed the development of marketing via the internet, or commonly known as e-marketing, so that the company can obtain maximum benefits as expected. The methodology used in the development of e-marketing website is The Seven Stage Cycle of Internet Marketing. The result achieved is a company’s e-marketing website. Conclusions obtained is that by using a web-based marketing, it is expected to help companies overcome the existing deficiencies, and can provide added value in improving promotions to better introduce the company to the market as well as to achieve profit increase. 
Dasar Laut Sinusoidal Sebagai Reflektor Gelombang Viska Noviantri
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.v2i1.2781

Abstract

This article discusses about the influence of sinusoidal sandbars towards the amplitude of incident wave. sinusoidal sandbars may lead to Bragg resonance. Basically, when a wave meets a different depth, it will scatter into a transmitted wave and a reflected wave. Bragg resonance happens when the wavelength of incident wave is twice of the wavelength of the periodic bottom disturbance. We apply the multi-scale asymptotic expansion to obtain the results. Eventually we find that a larger amplitude disturbance leads to larger reflected wave amplitude. This result explains that the sinusoidal sandbars indeed can reduce the amplitude of incident wave and protect a beach from large amplitude incident waves. 
Metode Regresi Ridge Untuk Mengatasi Kasus Multikolinear Margaretha Ohyver
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.v2i1.2782

Abstract

Multicolinear is a case that occurs in multi-linear regression analysis. Using multicolinear, it will be difficult to separate the influence of each independent variable towards the response variables. It also occurs in a farm production like cabbage. To solve this problem, Ridge regression method is used. This research aims to obtain a Ridge regression model to solve the multicolinear case. By using this method, the alleged regression coefficient is obtained by variance inflation factor less than ten for six free variables. 
Pendugaan Fungsi Intensitas Proses Poisson Periodik dengan Tren Fungsi Pangkat Menggunakan Metode Tipe Kernel Ro’fah Nur Rachmawati
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.v2i1.2783

Abstract

Stochastic process has an important role in many areas in everyday life, including the customer service process. The number of customers who come to a service center will be different for each particular time. A special form of stochastic process with continuous time and discrete state space is periodic Poisson process, which is a Poisson process with an intensity function of a periodic function. However, on the stochastic modeling of a phenomenon by a periodic Poisson process, the intensity function of the process is generally unknown. Therefore, a method is needed to infer the function. In this article, a Kernel estimator is formulated from a periodic Poisson process with a trend component in a rank function, which is divided into two cases; the identified rank function coefficient and the unidentified rank function coefficient. 
Merencanakan Keamanan Jaringan Komputer Joni Suhartono
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.v2i1.2784

Abstract

Communication via wireless devices provides many benefits to companies and users, such as portability and flexibility, productivity improvement, and low installation fee. Wireless technology covers a variety of abilities on use and needs. A WLAN device as an example allows users to get mobile from a place to another without wires attached and connection loss. Wirelesss means more flexible, more efficient, and cost reduced. Adhoc network such as Bluetooth allows for data synchronization with network system and sharing application among devices. Bluetooth functions to diminish wires for printers and other supporting devices. Portable devices such as PDA and cell phone allow remote users to synchronize personal databases and provide accesses to email, browsing, and internet access. Thus, security risks are very influential on wireless network. Some of the risks are almost the same as the wired network, few are derived from other cable networks and some others are new. 
Pemanfaatan Fitur Remote Control Melalui Media Bluetooth pada Telepon Seluler Sebagai Alat Bantu Proses Pengajaran Indra Kusumadi Hartono
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.v2i1.2785

Abstract

Teaching methods commonly require dynamic presentation techniques. Cellular phone technology can be utilized as a remote control via Bluetooth. Several experiments are conducted in simple ways to measure the effective distance between the device cell phone-notebook and PC-cell phone. Based on the research, it is concluded that local cell phones turned out to be acceptable as a teaching device utilized at campus. 
Perencanaan Strategi Sistem dan Teknologi Informasi pada Perusahaan Telepon Genggam PT. Sinar Jaya Sukses Mandiri Daniel Kartawiguna; Junifar Hidayat; Riskha Julia Anjani; Aris J. Hasionellis
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.v2i1.2786

Abstract

PT. Sinar Jaya Sukses Mandiri (PT. SJSM) is a company engaged in telecommunications. In carrying out its business activities, PT. SJSM has not maximized the utilized the information system (IS) and information technology (IT). This research aims to produce strategic information systems planning and technology at PT. SJSM that will support the business strategy. The research uses is the data collection method by doing bibliography study, observation and interviews, and analysis and planning method by conducting an analysis of internal and external environment of business and company IS/IT using value chain analysis, SWOT, CSF, Porter’s five forces, and PEST. This research produces a recommendation of strategic planning and information technology systems of PT. SJSM including IS/IT management strategy, IS business strategy and IT strategy. The conclusions of this research is that information system and information technology strategies are needed to support the achievement of the vision, mission and corporate objectives, and are expected to increase the company competitiveness. 
The Character, Organization Change and Information System Santo Fernandi Wijaya
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.v2i1.2787

Abstract

The success of building an integrated information system is an expectation of every company management to achieve effective and efficient working system. However, in the real business practices, not a few companies failed in building an integrated information system caused by the absence of several factors: strong commitment, hard work and smart effort conducted by a team. The team determines the success level in building an integrated information system. A factor of intelligence and mental maturity of users in running a new information system that has not been known is also another key to success. Therefore, it takes a good user’s character supported by a management decision to make management changes to achieve the building success level. This study aims to address the role of character and organization changes in achieving a success building an integrated information system. 
Analisis Faktor yang Mempengaruhi Angka Buta Huruf Melalui Geographically Weighted Regression: Studi Kasus Propinsi Jawa Timur Andiyono Andiyono; Rokhana Dwi Bekti; Edy Irwansyah
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.v4i1.2788

Abstract

Analysis of factors that influence the rate of illiteracy can provide important information for education. One such factor is the development of information and communication technology (ICT). Characteristics of illiteracy in East Java showes a spatial pattern. Therefore, to obtain the influencing factors Geographically Weighted Regression spatial modeling (GWR) is utilized. Modeling results indicate that the factors that influence the rate of illiteracy in every location are different. In general, factors influencing literacy rate is the percentage of households which have mobile phone and the percentage of households which access the internet at home. 
Analisis dan Perancangan Aplikasi Basis Data Penilaian Kinerja Karyawan menggunakan Metode 360-Degree Feedback Berbasis Web pada Pt Ifs Solutions Indonesia Choirul Huda; Andika Gilang Nugraha; Alwin Ghifari; Axel Didha Dewangga
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.v4i1.2789

Abstract

The purpose of this study is to analyze and design a database application for the assessment of employee performance to suit the needs of PT IFS Solutions Indonesia. This system creates and provides information quickly and accurately where the data is well integrated, so it can help the company to do an analysis and consideration for decision-making. The research methodology used includes library research, interviews with the HR company to obtain information about the system to be designed, and database design by creating conceptual models, logical models and physical models. After that, application design includes designing the DFD, menu structure, STD, and user interface. The result achieved is the creation of a web-based database application that can help decision-makers to support employees with good, more accurate, easier and quickly available when needed. The database application made can help companies manage and make decisions as well as produce better work.

Page 139 of 159 | Total Record : 1585

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