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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 77 Documents
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Search results for , issue "Vol 2, No 2 (2011): ComTech" : 77 Documents clear
Paradigma Bahasa Pemrograman Subandijo, Subandijo
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.v2i2.2818

Abstract

This article discusses several paradigms used in developing computer programs which is varied from the classical ? goto programming, until the modern one ? object oriented programming. In addition, the main features of each paradigm, the advantages and disadvantages of each paradigm and the comparation of procedural programming, the object oriented programming, and an additional feature like generic programming for the object oriented programming are also discussed in this article. 
Analysis on Laterally Loaded Group Piles by Plaxis 3D Foundation Dewi, Sri; Liong, Gouw Tjie
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.v2i2.2852

Abstract

It has been known that a group pile lateral capacity is smaller than the sum of each pile capacity composing the group. A reduction factor, also known as efficiency factor, is required to determine the effective lateral capacity of group piles. To the authors? knowledge, in most geotechnical text books, only the spacing of piles is considered in evaluating the pile group lateral capacity. No consideration on the effects of soil stiffness modulus and the total number of piles forming the group is taken into account. This research tried to investigate the influence of those factors by using geotechnical 3D finite element software, namely Plaxis 3D foundation. It is found that the bigger the number of piles in a group, the lower the efficiency factor is; the higher the soil stiffness modulus, the greater the efficiency is. 
Online Training for Face Recognition System Using Improved PCA Budiharto, Widodo
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.v2i2.2952

Abstract

The variation in illumination is one of the main challenging problem for face recognition. It has been proven that in face recognition, differences caused by illumination variations are more significant than differences between individuals. Recognizing face reliably across changes in pose and illumination using PCA has proved to be a much harder problem because eigenfaces method comparing the intensity of the pixel. To solve this problem, this research proposes an online face recognition system using improved PCA for a service robot in indoor environment based on stereo vision. Tested images are improved by generating random values for varying the intensity of face images. A program for online training is also developed where the tested images are captured real-time from camera. Varying illumination in tested images will increase the accuracy using ITS face database which its accuracy is 95.5 %, higher than ATT face database?s as 95.4% and Indian face database?s as 72%. The results from this experiment are still evaluated to be improved in the future.
Membangun Customer Relationship Management dalam Bisnis Darudiato, Suparto; Novianto, Chiko; Hendra, Hendra; Reynaldo, Reynaldo; Selvi, Selvi
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.v2i2.2962

Abstract

Customer relationship management dapat dijadikan alat oleh perusahaan dalam mengembangkan bisnisnya agar mendapat perhatian dari customer dan pasar. Paper ini disusun berdasarkan penelitian yang menggambarkan hubungan bisnis dan pengaruh pelanggan terhadap perusahaan, serta bagaimana sebuah customer relationship management dapat membantu perusahaan dalam meraih pangsa pasar. Data dan informasi dalam studi ini didapatkan dari studi pustaka yang mengacu pada buku referensi dan jurnal yang berhubungan dengan topik yang ada. Paper ini memberi pengetahuan tentang pencapaian tujuan perusahaan yang didukung penerapan customer relationship management.
Pengukuran Resiko Manajemen Proyek Teknologi Informasi pada PT MSI Hendarti, Henny; Arifin, Firman; Deviaty, Desy
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.v2i2.2812

Abstract

Pengukuran resiko manajemen proyek teknologi informasi ini bertujuan untuk mengetahui bagaimana penerapan manajemen proyek teknologi informasi (TI) berjalan pada PT MSI agar penerapannya dapat sesuai dengan tujuan bisnis yang diharapkan oleh perusahaan dan memperkirakan resiko-resiko apa yang mungkin terjadi. Metode penelitian yang digunakan adalah studi kasus di mana teknik pengumpulan data meliputi studi kepustakaan serta studi lapangan yang meliputi wawancara, kuesioner, dan studi dokumentasi. Pendekatan untuk melakukan pengukuran resiko teknologi informasi pada PT MSI adalah PMBOK (Project Management Body Of Knowledge). Hasil yang dicapai adalah ditemukannya resiko-resiko yang mungkin terjadi pada proyek. Simpulan dari penelitian ini adalah PT MSI sudah menerapkan manajemen proyek teknologi informasi dengan cukup baik melalui proses inisiasi, perencanaan, pelaksanaan dan pengendalian, evaluasi proyek dan penutupan proyek. Hal ini dilihat resiko yang ditemukan tidak banyak dan hanya dibutuhkan sedikit perbaikan dalam mengelola resiko pada proyek tersebut. Namun perusahaan belum melakukan pengukuran terhadap resiko manajemen proyek TI. 
E-Marketing Jaya Abadi Computer (JAC) Honni, Honni; Raymond, Raymond; Johni, Johni; Tan, Wendi
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.v2i2.2846

Abstract

Internet has been widely used by manufacturers and distributors to expand product markets for its advantageous in quick process, practicality and low cost. Jaya Abadi Computer (JAC) as a sales distributor and service agent of computer equipment still perform its direct marketing manually on the spot, so that the marketing only reaches a small scope. This article analyzes the market opportunity of JAC; determines the marketing strategy and builds e-marketing website for JAC based on customer experience using The Seven Stage Cycle of Internet Marketing. The results obtained are an e-marketing website to support the marketing activities of JAC. Eventually it can be concluded that by building an e-marketing, JAC can reach as well as expand market opportunities in virtual world, use the right marketing strategy, and meet customer needs through features on the website. 
Kajian Perolehan Sertifikasi Profesi Internasional Bagi Lulusan Jurusan Sistem Informasi Hudiarto, Hudiarto
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.v2i2.2939

Abstract

Having a professional certificate in information systems and information technology fields means having the recognition for related skills and knowledge requested by the industry. Some countries and institutions have tried to bridge these needs by organizing conferences and seminars. Information systems department of Bina Nusantara University always tries to meet those needs. One effort is to introduce the Enterprise Architecture method initiated by Bernard for use in the course of information systems and information technology strategic planning. The results of this activity suggest that obtaining international certification requires the implementation of learning in a referenced standard. This approach is expected to accelerate the acquisition of professional certification for graduates majoring in information systems and technology. 

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