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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 15 Documents
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Search results for , issue "Vol. 6 No. 2 (2015): ComTech" : 15 Documents clear
Perancangan Aplikasi Customer Relationship Management untuk Meningkatkan Pelayanan pada Rumah Sakit St. Carolus Joni Suhartono; Ardyan Valentino Cahyadi; David Yunus
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2261

Abstract

Research aims to create a draft of application based on customer relationship management (CRM) toimprove services on St carolus hospital in terms of criticism-suggestions, to create scheduling events and patient schedule for second time which is still less control. Research used survey, interview the parties concerned, aswell as analyzing the systems running on St Carolus hospital. Results of the research are application design that helps to improve the quality of the hospital service to the patient, application design that helps management in holding the event, and managing the input given by the visitor at ease. In conclusion, the application designhelps manage criticism and suggestions, make events, and intertwine relations with patients after medication or treatment.
Pengembangan Model Sistem Informasi Aplikasi Helpdesk Online PT. Mustika Memadata Cadelina Cassandra
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2262

Abstract

The advanced technology and the support of global internet makes it possible to create a system that can support the company or institution effectiveness in providing satisfaction for customers and to fulfill the customer’s needs and requirements. Due to the most important task for the company is to provide a good quality service for the customer, online helpdesk support system also develop quickly nowadays for the reason above. PT. Mustika Memadata is one of the private service company located in Jakarta that has the increase ofcustomer and the limit of human resource. This situation makes the company difficult in monitoring complaints from customer. This paper described the model of proposed helpdesk system to solve the problem. The methodology used in this paper are data collection through study literature review, interview session, directobservation, as well as analysis and design method using OOAD (Object Oriented Analysis and Design) approach using UML diagram such as activity diagram, use case diagram and domain model class diagram. The result is the model design of helpdesk online system that can be used for the company in solving customers’complaint.
Pengaruh Kualitas Pelayanan dan Budaya Organisasi terhadap Ketepatan Investigasi Incident Management di Pusintek Kementerian Keuangan RI Trisna Febriana
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2263

Abstract

The purpose of this research is to verify and estimate the correlation of Quality Service, that consist of Tangible, Reliability, Responsiveness, Assurance, Empathy, and Organizational Culture, that consist of Power Distance Index (PDI), Individualism Index, Masculinity Index, Uncertainty Avoidance Index (UAI) againstIncident Management’s Accuracy of Inconvenience Investigation, to identify dominant indicator of Quality Service variable and to identify dominant indicator of Organizational Culture Variable. This research use a quantitative descriptive approaching with the questioner as a primary data and literature comparation as asecondary data, and is a non-experimentally research. The model is developed, in this research is consist of two hypotheses that are examined by The Structural Equation Model (SEM) method using Lisrel 8.80 as an analysis tool. The sample that is used in this research is to the tune of 287 respondents from the Ministry of Finance with random sampling technique. The result of this research, based on fit model, obtain that all of the tvalue indicator of exogen variable are greater than ttable (N=287; α=0.05) as much as 1.97. In conclusion, this research isclearly state that H0 is reected and H1 is accepted, which means there is a significant correlation between Quality Service and Organizational Culture against Investigation Accuracy simultaneously. (TF).
Sistem Kontrol Akses Berbasis Real Time Face Recognition dan Gender Information Putri Nurmala; Wikaria Gazali; Widodo Budiharto
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2264

Abstract

Face recognition and gender information is a computer application for automatically identifying or verifying a person's face from a camera to capture a person's face. It is usually used in access control systemsand it can be compared to other biometrics such as finger print identification system or iris. Many of face recognition algorithms have been developed in recent years. Face recognition system and gender information inthis system based on the Principal Component Analysis method (PCA). Computational method has a simple and fast compared with the use of the method requires a lot of learning, such as artificial neural network. In thisaccess control system, relay used and Arduino controller. In this essay focuses on face recognition and gender - based information in real time using the method of Principal Component Analysis ( PCA ). The result achievedfrom the application design is the identification of a person’s face with gender using PCA. The results achieved by the application is face recognition system using PCA can obtain good results the 85 % success rate in face recognition with face images that have been tested by a few people and a fairly high degree of accuracy.
Analisa Pengaruh Penggunaan Serat Serabut Kelapa dalam Presentase Tertentu pada Beton Mutu Tinggi Eduardi Prahara; Gouw Tjie Liong; Rachmansyah Rachmansyah
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2265

Abstract

The use of additional material as ingredients in the manufacture of concrete mixes is increasingly growing. The material used is also increasingly varied, depending on the expected results. This research aims to know the influence of the addition of coconut fibres material with percentage of 1,5 %, 2 %, 2,5 %, and 3 % as an alternative to the strength of high-quality concrete. Research methods done by producing cylindrical and beam concrete samples for testing against the force then conducted concrete. Furthermore, the analysis has been done and the results of testing and comparing the respective strength of the composition of concrete produced. Based on the test results of data concrete cylinder compression strength and tensile strength concrete beams, it was concluded that the increasing of compressive strength up to 9% can be reached by use of additional material coconut fibers 1,5%and increasing of tensile strength up to 19,7% can be reached by use of additional coconut fiber 2%. Therefore, the additional coconut fibers on concrete mixture has strong relationship to increase tensile strength of high strength concrete.
Perancangan Sistem Informasi Prepaid di Perusahaan Makanan Siap Saji XYZ J. Rolles Herwin Sihombing; Selvyna Theresia
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2266

Abstract

Prepaid System becomes a new trend in the Indonesia retail industry, particularly in the Food and Beverage (F&B) sector. Many companies are trying to develop their own prepaid system, however they still lack of skills and knowledge regarding this system. This condition might not enable them to deliver the prepaid system to customers properly if they insist to develop their own system. However, this does not happen to company XYZ, the biggest fast food restaurant in Indonesia. Company XYZ, which collaborates with the local partner, implements their own prepaid system in their company. This local partner has already had years of experience in the payment industry, developing payment system that adapts to the latest technology and supports the company's business. A system that is integrated with the point-of-sales and website would absolutely help customer and cashier in doing the transaction process. Integrated data is very useful for the finance and accounting departments of Company XYZ providing annual financial report to the shareholders.
Tingkat Kelelahan Pengemudi Bus Rapid Transport (BRT) Jakarta Berdasarkan Swedish Occupational Fatigue Index (SOFI) Rida Zuraida
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2267

Abstract

Fatigue is a common situation experienced by everyone, but until now a simple measuring tools universally accepted is not exist. Fatigue measurement instrument most widely used is an instrument-based questionnaire. This study used the Swedish Occupational Fatigue Index (SOFI) as one of the instrument to measure BRT driver’s fatigue. The aim is to evaluate physical mental, and shift work fatigue and provide an overview of fatigue levels experienced by the driver BRT on two different shifts. Hopefully it can be used for driver fatigue management by a company. The study was conducted for two different shifts (morning and afternoon), with a total participants are 30 drivers. Results showed that motivation level of shift 2-driver is lower after they finish their work compared to shift1-driver. In shift 1, generally available time to rest,socializing and hanging out with family is longer than available time for shift 2-driver. Perception of loss of energy after work is also higher in shift 2 compared to shift 1, especially the perception of feeling exhausted. Similar results were obtained in the physical aspect and the physical exertion and physical discomfort. Therefore we can conclude the work shift has affected fatigue level experienced by the driver's BRT, and shift rotation is suggested to help the driver to recuperate.
Studi Pengaruh Tebal Tanah Lunak dan Geometri Timbunan terhadap Stabilitas Timbunan Andryan Suhendra
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2268

Abstract

The stability of embankment over soft soil is influenced by several factors such as subsoil and filling material properties, embankment geometry, ground water level and working load. This paper will present the analysis of influencing of soft soil thickness and embankment geometry to the stability of embankment. The analysis will be conducted using Slope/W by varying the thickness of soft soil and embankment geometry with certain embankment height and soft soil and fill material properties. The thickness of soft soil is varies in range of 2m to 15m, whereas the slope of embankment is varies in 4 condition i.e. 1:1 (vertical : horizontal), 1:1.5, 1:2, and 1:2.5, as well as the top width of embankment from 10m to 40m, with the output is factor of safety of embankment. The analysis result show the factor of safety is decreased when the top side of embankment is wider as well as when the slope of embankment is gentler. The analysis also show the influence of soft soil thickness to the embankment stability is limited to certain depth only that is in range of 7m to 10m, then the factor of safety remains constant.
PT. Tira Austenite, Tbk dan Analisis Kinerja Perusahaan Ekspedisi dalam Perspektif Supply Chain dan Metode Analytic Network Process (ANP) Khristian Edi Nugroho Soebandrija; Rizal Herjiwandono Kartowisastro
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2269

Abstract

PT. TIRA AUSTENITE, Tbk (PTATbk) and other companies in the field of supply chain require coordination pertaining cross functional and cross collaboration. The mentioned collaboration is required especially for Expedition Company. The performance analysis of Expedition Company, including PTATbk is needed to face the global competition. Company contribution generally, and in particular for Empirical Study toward PTATBK can lead to the problem solving and performance improvement, which covers selecting optimal expedition company and efficient time to dispatch product from existing route to be integrated into the core essence of this research pertaining PTATbk. The mentioned research refers to Empirical Study dan Managerial Implications through books and journals as reference in the Research Methodology. The focus of this researchmethodology is the Analytic Network Process (ANP); criteria of Price and Service; and other important criteria that support the performance analysis within PTATbk. Software ARENA Simulation plays vital role in this research that has the conclusion and recommendation toward problem solving and performance improvement that are translated into benefits versus risks and its form of % and the currency of IDR and/or USD.
Penerapan Regresi Linier Ganda untuk Mengukur Efisiensi Pola Penggunaan Air Tanah System Rice Intensification (SRI) di Kabupaten Bandung, Subang, dan Karawang Iwa Sungkawa
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2270

Abstract

This paper discusses the application of multiple linear regression to measure the efficiency and success of the pattern of groundwater using System of Rice Intensification. The purpose of this paper is to provide an overview of the procedures and the use of multiple linear regression analysis and to measure the impact of independent variables (habits of farmers P3A) in the use of groundwater. Multiple Linear Regression analysis is used to examine the relationships and dependencies between farmers habits P3A to the efficiency of water use patterns of SRI. The results show that the success and efficiency groundwater use is recommended in SRI pattern depends on the habits and behavior of the P3A farmers use ground water for their farming needs.

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