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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 41 Documents
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Search results for , issue " Vol 2, No 1 (2011): ComTech" : 41 Documents clear
Pendugaan Fungsi Intensitas Proses Poisson Periodik dengan Tren Fungsi Pangkat Menggunakan Metode Tipe Kernel Rachmawati, Ro’fah Nur
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. 
Perancangan Sistem Basis Data pada Klinik Indrajani, Indrajani
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.v2i1.2737

Abstract

The purpose of this research is to analyze and design a database to support Clinic information needs. The methods used in this research are data collection, which uses the search data techniques that includes interviews, documentation, observation, literature study, analysis method and database design that includes conceptual, logical, and physical design. The result of this research is a database system that can save data integrated, clinic information needs, and health services improvement which are patients and community in general. The conclusions that can be drawn from this research are the existence of this database system, so the clinic can manage patient data and checkup transaction, treatment, and payment. 
Analisa Pengaruh Modifikasi Mesin Press Body Area 5a Line Terhadap Peningkatan Kapasitas Produksi Di PT. Astra Daihatsu Motor Nasution, Januar; Putranto, Wisnu Adi
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.v2i1.2806

Abstract

Analysis or the analysis is defined as a study conducted on a discussion of the problems studied in depth to find out the real situation. In this study, analysis of the modifications carried out to assess the influence of such modifications in an increase in production capacity of PT. Astra Daihatsu Motor. Taking into account the physical and technical aspects of data in the field, didapatlah data supporting this research, for subsequent use as a reference from the financial aspect to determine the magnitude of the cost involved in this modification. The purpose of this study was to find the value of the initial investment required in the modification, finding the investment payback period, benefit gained as well as determining whether modification is appropriate or not to apply. Data collection conducted broadly divided into two data technical and financial aspects, and then after that the data is processed through the method of calculation of production, Stoke per Hour (SPH), Gross Stroke per Hour (GSPH). This study also provides recommendations to companies to assess whether the modification is feasible or not to do, from the point of view of project feasibility studies. 
Uji Homogenitas dengan Sebaran Khi-Kuadrat dalam Evaluasi Suatu Sistem Sungkawa, Iwa
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.v2i1.2728

Abstract

This paper discusses the application of khi-square distribution in homogeneity of variance test on the control of a system used in a process considered normally spread with a mean of and a variance (degree of homogeneity) of . It is necessary to test the hypothesis statistically Ho: with the average μo value is unknown, and the statistic used is Khi-square distribution. On this occasion, an evaluation is executed upon a "Matsuyama" stabilizer (standard volt single phase (L)) to be used in Srengseng, Lenteng Agung, South Jakarta. Based on the test results of upon the variance with average standard voltage 220 volt, the electricity consumers in Srengseng are encouraged to use the stabilizer for household appliances that require voltage stability. By examining the voltage fluctuations at the location and stabilizer conditions (input range), the test result carried out through variance similarity test states that “Matsuyama” stabilizer is eligible and applicable in the area. 
Building E-Learning Strategy and Developing E-Learning Action Plan in Higher Education Polla, Gerardus
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.v2i1.2760

Abstract

Building an e-learning strategy and developing e-learning action plan requires two fundamental thing: first is adequate knowledge about what you want to accomplish, and the second is a willingness to articulate your plan in a meaningful way to all your stakeholders. Before the work begins, identify the key stakeholders who should participate in the strategy development. This paper intends to enlighten how to build an e-learning strategy in higher educations with some strategies that must be considered, such as defining who should participate; analyzing the current situation; setting visions; stating mission; analyzing gap; conducting force-field and SWOT analysis; creating strategy recomendations; and building an action plan. Additionally, this paper describes some steps for developing an e-learning action plan in higher education. 
Aplikasi Piranti Lunak Penganalisis Sintaksis Kalimat Bahasa Indonesia Yusuf, Sablin
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.v2i1.2716

Abstract

Indonesian has a vast variety in structures and sentence types that brings about difficulty in using the language correctly and accurately. This research aims for producing a software application for syntax analysis and error checking for Indonesian sentences. The method used in developing the application is rapid prototyping method which consists of several phases: system requirement analysis, design, coding, implementation and evaluation while the method used in syntax analysis process is regular expression and predictive parsing method. Despite some existing limitations, the application produced is able to check the syntax error of various Indonesian sentence types. 
Using Data Communication to Give Ease in Hotel Room Services Tjiptadi, Rudi
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.v2i1.2751

Abstract

Gaining extra comfort in a trip is an important factor. Staying in a hotel needs food, laundry, and other activities that can make guests comfortable. The guesses’ requests are usually ordered to the Room Service. Sometimes problems occur in serving the guests’ requests due to human error, such as overdue orders, misunderstandings, etc. Computers are used to prevent those problems by typing requests directly from a computer in the room. The method is done by collecting data from the direct interview at a hotel related to guests’ requests, analyzing the current system, doing literature study, creating a Room Service system draft, as well as implementing the new system in a form of prototype. A Room Service system prototype is created with the abilities to order food, drinks, laundry and ironing. This prototype designed meets the guests’ satisfaction towards the hotel room services. 
Implementasi Sistem Informasi Ujian Ibrahim, Irma Irawati
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.v2i1.2706

Abstract

Examination is extremely critical in educational institutions as it is used as an indicator of student’s learning quality achievement. Usually, there are two types of exams – Mid-Term and Final exams.The exam process consists of 3 processes, namely exam preparation, the exam itself, and grading submission. The control process, confidentiality, and efficiency are the main focus in examination improvement. Therefore, to provide the best solution for any potential problems, the researcher comprehensively conducted interviews, field study, problem identification, and analysis. The researcher chooses the Plan-Do-Act-Check method to ensure the best solution. Finally, cost-benefit analysis was run to measure the success of the system implementation. There are two types of benefit, tangible and intangible. This project resulted in a new exam flow procedure, exam information system, and cost-benefit analysis. 
Model Data Warehouse dan Business Intelligence untuk Meningkatkan Penjualan pada PT. S Rudy, Rudy; Limantara, Natalia
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.v2i1.2774

Abstract

Today a lot of companies use information system in every business activity. Every transaction is stored electronically in the database transaction. The transactional database does not help much to assist the executives in making strategic decisions to improve the company competitiveness. The objective of this research is to analyze the operational database system and the information needed by the management to design a data warehouse model which fits the executive information needs in PT. S. The research method uses the Nine-Step Methodology data warehouse design by Ralph Kimball. The result is a data warehouse featuring business intelligence applications to display information of historical data in tables, graphs, pivot tables, and dashboards and has several points of view for the management. This research concludes that a data warehouse which combines multiple database transactions with business intelligence application can help executives to understand the reports in order to accelerate decision-making processes. 
Model Pelestarian Lingkungan Hidup Berbasis Teknologi Informasi pada Aktivitas Sosialisasi Berbasis Masyarakat Sebagai Sentra Partisipan Sardjono, Wahyu
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.v2i1.2765

Abstract

The environment is a gift and grace of the Almighty God to man as home to life. In utilizing natural resources to promote human welfare, a sustainable environmental development should be carried out, which cares about the needs of present and future generations. On the other hand, the development of information and communication technology (ICT) grows so fast that can change the way people live and work. Collaboration between the environment and its preservation with ICT knowledge can be developed into an environmental knowledge and management system (E-KMS). An approach to efficiency and effectiveness in ICT which includes variables of timing, capacity, relevance, accessibility, flexibility, accuracy and reliability can be used to explore the determinants of the success of the socialization of community-based environmental conservation as a central participant. The multivariate statistical methods and factor analysis can produce new variables declared as an indicator of research results and model testing. 

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