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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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Application of K-Means Algorithm for Cluster Analysis on Poverty of Provinces in Indonesia Sano, Albert V. Dian; Nindito, Hendro
ComTech: Computer, Mathematics and Engineering Applications Vol 7, No 2 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i2.2254

Abstract

The objective of this study was to apply cluster analysis or also known as clustering on poverty data of provinces all over Indonesia.The problem was that the decision makers such as central government, local government and non-government organizations, which involved in poverty problems, needed a tool to support decision-making process related to social welfare problems. The method used in the cluster analysis was kmeans algorithm. The data used in this study were drawn from Badan Pusat Statistik (BPS) or Central Bureau of Statistics on 2014.Cluster analysis in this study took characteristics of data such as absolute poverty of each province, relative number or percentage of poverty of each province, and the level of depth index poverty of each province in Indonesia. Results of cluster analysis in this study are presented in the form of grouping ofclusters' members visually. Cluster analysis in the study can be used to identify more quickly and efficiently on poverty chart of all provinces all over Indonesia. The results of such identification can be used by policy makers who have interests of eradicating the problems associated with poverty and welfare distribution in Indonesia, ranging from government organizations, non-governmental organizations, and also private organizations.
Pengukuran Resiko Teknologi Informasi dengan Pendekatan FRAP: Studi Kasus Pada PT Cowell Development, Tbk Widjaya, Iwan Kurniawan
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.v3i1.2387

Abstract

The article purposes are to analyze, identify, and measure the risks found in the use of information technology. The research method used are literature study and field study upon observations, interviews, documentation, and FRAP (facilitated Risk Analysis Process) approach to measure the risk of information technology. The results found are positive and negative findings in the use of information technology. The exixting weaknesses allow the potential risks that may occur. The conclusion is there are vulnerabilities found in the use of information technology that need several recommendations on those risks to improve performance andguarantee data protection and information from any risk arise.
Dampak Media Sosial dalam Cyber Bullying Hidajat, Monica; Adam, Angry Ronald; Danaparamita, Muhammad; Suhendrik, Suhendrik
ComTech: Computer, Mathematics and Engineering Applications Vol 6, No 1 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i1.2289

Abstract

The purpose of this research is to review two journals about social media effect for cyberbullying. First Journal is written by Eddie Fisher with the title From Cyber Bullying to Cyber Coping: The Misuse of Mobile Technology and Social Media and Their Effects on People?s Lives and the second journal is written by ReginaldH. Gonzales with the title Social Media as a Channel and its Implications on Cyber Bullying. First Journal focus on condition and cyber bullying state by interview respondents in law terms. Second journal focus on handling cyber bullying case at social media. Social medial cause few cases of cyberbullying increasing because of its characteristic that possible to spread information easily and fast. Socialization proper use of social media needs to be done to improve public awareness about the dangers of misuse of social media.
Tap For Battle: Perancangan Casual Game Pada Smartphone Android Chowanda, Andry; Prabowo, Benard H.; Iglesias, Glen; Diansari, Marsella
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.v5i2.2187

Abstract

Smartphones have become a necessity. Almost everyone uses a smartphone in a variety of activities. Both young and old are sure to utilize this technology, for a wide range of activities such as doing the work, doing school work or enjoying entertainment. The purpose of this research is to build a casual-action game with war theme. The game is built for Android smartphone that has multi touch screen capability. The research methods used in this research are data collection and analysis method including user analysis with questionnaire. Furthermore, IMSDD method is implemented for game design and development phase including system requirement analysis, system design, system implementation, finally system evaluation. In this research, we conclude that 83.9% participants enjoyed the game with touch-screen as the game control.
Memaknai Studi Pergerakan Matahari dalam Perancangan Arsitektur: Kajian Beberapa Aplikasi Komputer Mengenai Studi Matahari Tomasowa, Riva
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.v3i2.2323

Abstract

Investigating and rethinking process in academic world influenced the architectural design culture. Affordable supporting digital tools lead the unlimited exploration into new ideas and possibilities. Heliodon is one of the tools to represent the sun mobility that helps analyze architectural form finding process. The Sun evolution and revolution are mapped into a computerized framework. With this framework, vendors and research group can develope its capability to create a powerful exploration tool. This opportunity gives a redefined meaning of the design process where all information is exchanged digitally. This study discusses some applications such as Google Sketch Up, Rhino ceros with its Grasshopper plug-in, and Graphisoft ArchiCAD which record physical data of climatic factors, The aim of this paper is to describe how sun study in digital tools redefines the architectural design process.
Pop Up Cafe as a Creative Generator in Jakarta Prawata, Albertus
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.v6i3.2211

Abstract

The government has a strong role to make plans and shape the city. The planning establishment by the government is based on capital-intensive strategic actions, so they can shape the urban spaces according to acertain set of values. These values are made clearly in the patterns of resource consumption. However, they often create a hierarchical gap between the people and the communities. In the city, the economy becomes the basis of how the urban spaces are shaped and created. New economic activities often have the impact in degrading the quality of the spaces. As a result, the city will lose its attractions, and people feel alienated and they become aesthetically unpleasant. The purpose of this paper is to discuss the interaction and appreciation of creative users and the citizens of the city towards the urban spaces, and how they will encourage endless collaboration amongst local citizens to create thoughtful and meaningful designs for the public. The discussion and arguments will be based on some creative activities such as pop up café/store. It has the importance to be a creative generator and become the urban fabric that support the city and be a part of the sustainable cityconcept. The engagement and ideas from the creative activities can be a strong foundation of a good urban space, that have the power to re-shape the city spaces to be more livable. Therefore, it can also bring a new identity and vibrant atmosphere to a certain area as well as to the city.
Perancangan Cd Katalog Untuk Penyampaian Layanan Informasi Berbasis Multimedia Pada Rumah Sakit Persahabatan Legowo, Nilo; Yosanny, Agustinna; Prabowo, Bagus
ComTech: Computer, Mathematics and Engineering Applications Vol 1, No 2 (2010): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v1i2.2346

Abstract

CD katalog developed is an effort to improve service quality and effectiveness of delivering information to visitors Persahabatan Hospital. The method used is the method of literature, methods of analysis and design methods. Methods Literatur include the study of literature references relating to problems and applications. Methods include analysis of field studies with a survey on the current system as well as an analysis of surveys, interviews, and questionnaire distribution. The design method includes designing the menu structure, State Transition diagrams, screen design, database use, and module specifications. The results obtained in the form of multimedia CD-based catalog that presents the completeness of the information, such as facilities Persahabatan Hospital, clinic, the site plan, and schedule a doctor. The conclusion was based on a multimedia CD Catalog can be a new alternative as a medium to facilitate the search for location information and profile hospital. With the CD catalog is expected to visitors and prospective participants can find information about the Friendship Hospital, more easily, and help the Friendship Hospital in providing information to visitors Hospitals. 
Reducing The Operational Stop Time of Hauller Komatsu Hd465-7 by Using the Six Sigma’s Approach in PT X Purba, Humiras Hardi
ComTech: Computer, Mathematics and Engineering Applications Vol 7, No 2 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i2.2245

Abstract

An operational stop time is a condition where heavy equipment is not working as usual. It is important to avoid this condition since excessive idling wastes an enormous amount of fuel and money. However, the operational stop time of a dump truck Hauller HD465-7 is 2.83 minutes, which is far above the normal standard. This project aims to optimize the improvement of an operational stop time by using a Six Sigma method with optimize plan selection. This will return the operational stop time to the standard range within 1.25 to 1.65 minutes. These steps of define, measure, analyze, improve, and control are applied to the standardization process according to the rules and criteria established by the Six Sigma. The result found that the Six Sigma?s approach which was applied in PT X has reduced the cost from US$1,105,300 to US$963,000 every month. An improvement have been made to matching fleet by combining six fleet of dump trucks at driving speed of 22 km per hour and the average simulated haul distance was 2,000 meters.
Rancangan Aplikasi Manajemen Dokumen Tender Berbasis Web Pada PT. Emi Yusuf, Sablin
ComTech: Computer, Mathematics and Engineering Applications Vol 1, No 2 (2010): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v1i2.2378

Abstract

The objective of this researh is to design a software application for bidding document management as required by PT Energy Management Indonesia (EMI) in order to increase the company performance. The methodology used is fact-finding through direct observation, followed by literature study, and web application development method using waterfall model and rapid prototyping for software development. The result is a software application, web based, which can increase the company performance due to the required bidding document preparation and the responding data are well stored and managed hence can be accessed easily when needed. In summary the application which is well supported by the related database will assist the company quikly and easily in bidding preparation process 
Evaluasi Sistem Informasi Penjualan pada PT. Techpac Indo Informatika Sari, Ratna
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.v5i2.2279

Abstract

Technological development is one effort that was relied upon by the company for the implementation of the company's activities. Technological developments have led to changes in data processing by the company from a manual system to a mechanical, electromechanical, and then to electronic or computerized systems. PT. Techpac Indo Informatika is a company that engaged in software distribution. The purpose of this research is conducting an evaluation and control through sales information system, especially input and output control, tosupport and provide the accurate and real-time information in decision making for top management The methodology used in this study is descriptive research method with data collection techniques using literature study by studying scientific books and various literature that related with this paper, field study that consists of interviews, observation and system testing. The results of evaluation and control for sales application system are expected to improve the weaknesses and present the accuracy and real-time data that reliable and trustworthy.

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