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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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IT Solution For Disease Management At PT Panasonic Manufacturing Indonesia Pardamean, Bens; Djoeang, Anjela Greizaria; Tobing, Nana Rosanna
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.v1i2.2362

Abstract

One of company’s occupational health programs is disease management which is a part of preventive health care. In its realization, it was discovered that there some challenges in data collection, monitoring of catering and sport activity, employee health reports, and medical costs. The purpose of this study is to design an IT solution for the disease management program at PT. Panasonic Manufacturing Indonesia (PMI). The diseases in focus are diabetes, hypertension, and tuberculosis. Methodology starts with survey on PT. PMI requirements, research parameters, problem analysis, literature study, and system design. Solution is focused on designing a registry system that includes Alert Management System, Food Tracking, EHR, Sport Tracking, Guidelines, and Report System. The results of this study is a web-based information system that can assist health care workers in seeking data, monitoring food intake and sport activity, and reporting systems for upper-level management. 
Perancangan Sistem Informasi Akuntansi Revenue Cycle dan Inventory Pada PT XYZ Sundjaja, Arta Moro; Kristianto, Yudhi
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.v1i2.2651

Abstract

PT XYZ is a trading company in electronic equipment distributor of Philips, that needs accounting information system in developing system ongoing manual to be a computerized one. The research method used is analysis method and object-oriented analysis and design (OOAD). The data collecting is through survey of the ongoing system and also interview based on supported theories, which gathered from the books about analysis and system design. The design method is through designing suggested system model. The expected result is sales accounting information system, cash income, and other feature to help PT XYZ in doing events. The result from this research is this information system application could help reduced data searching error transaction by employees. Especially, in reducing errors caused by data record error transaction by employees. This is purposed to every employee could be more focus in doing the events and more responsible in every acts. 
Emowars: Interactive Game Input Menggunakan Ekspresi Wajah Chowanda, Andry
ComTech: Computer, Mathematics and Engineering Applications Vol 4, No 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2542

Abstract

Research in the affective game has received attention from the research communities over this lustrum. As a crucial aspect of a game, emotions play an important role in user experience as well as to emphasize the user’s emotions state on game design. This will improve the user’s interactivity while they playing the game. This research aims to discuss and analyze whether emotions can replace traditional user game inputs (keyboard, mouse, and others). The methodology used in this research is divided into two main phases: game design and facial expression recognition. The results of this research indicate that users preferred to use a traditional input such as mouse. Moreover, user’s interactivities with game are still slightly low. However, this is a great opportunity for researchers in affective game with a more interactive game play as well as rich and complex story. Hopefully this will improve the user affective state and emotions in game. The results of this research imply that happy emotion obtains 78% of detection, meanwhile the anger emotion has the lowest detection of 44.4%. Moreover, users prefer mouse and FER (face expression recognition) as the best input for this game.
Analisis Faktor yang Mempengaruhi Angka Buta Huruf Melalui Geographically Weighted Regression: Studi Kasus Propinsi Jawa Timur Andiyono, Andiyono; Bekti, Rokhana Dwi; Irwansyah, Edy
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. 
Single Document Automatic Text Summarization using Term Frequency-Inverse Document Frequency (TF-IDF) Christian, Hans; Agus, Mikhael Pramodana; Suhartono, Derwin
ComTech: Computer, Mathematics and Engineering Applications Vol 7, No 4 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i4.3746

Abstract

The increasing availability of online information has triggered an intensive research in the area of automatic text summarization within the Natural Language Processing (NLP). Text summarization reduces the text by removing the less useful information which helps the reader to find the required information quickly. There are many kinds of algorithms that can be used to summarize the text. One of them is TF-IDF (TermFrequency-Inverse Document Frequency). This research aimed to produce an automatic text summarizer implemented with TF-IDF algorithm and to compare it with other various online source of automatic text summarizer. To evaluate the summary produced from each summarizer, The F-Measure as the standard comparison value had been used. The result of this research produces 67% of accuracy with three data samples which are higher compared to the other online summarizers.
Pengaruh Kualitas Pelayanan dan Budaya Organisasi terhadap Ketepatan Investigasi Incident Management di Pusintek Kementerian Keuangan RI Febriana, Trisna
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).
Pengaruh Penggunaan Sistem ERP, Ketersediaan Data dan Ketersediaan Laporan terhadap Pengambilan Keputusan pada Perkebunan Kelapa Sawit: Studi Kasus PT Ciliandra Perkasa Kurniawan, Roni
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.v3i1.2426

Abstract

Every decision made by top management determines the company objection. One tool that can assist a company’s management in decision making is Enterprise Resource Planning (ERP) system. It provides any information needed by the end users. So, this system can provide supports to all staffs in operation, managers in the middle level and top executives in the top level management. The information provided by this system can help the end users to do their functions within company properly. PT Ciliandra Perkasa as an agribusiness company needs information system support for its operational. This support will help company to get more competitive in oil palm agribusiness in Indonesia. This research implements quantitative method using primary data and secondary data sampling.
Evaluasi Sistem Informasi Akuntansi Pembelian dan Persediaan Bahan Baku pada PT Sumber Bahagia Metalindo Hiererra, Siti Elda; Efrizon, Efrizon; Yun, Yun; Yuliany, Eka
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.v3i1.2394

Abstract

The research objective was to evaluate, learn and analyze whether the company’s business processes in accounting information systems of purchases and inventory of raw materials implemented in the company run as expected; to find out whether the accounting information system of purchasing and inventory of raw materials is well integrated, and to provide recommendations and suggestions to improve the weaknesses in the system for the company’s assets can be well cared for. Several methodologies are implemented in this research, which are literature study, field study, such as: interviews, observation, checklists, and documentation review followed by data analysis. Audit is implemented using audit around the computer. The results obtained are in the form of data analysis presented as problem findings, the impacts and recommendations for remedial action. It can be concluded from the results of this study that PT. Sumber Bahagia Metalindo owns sufficient information system control, but still there are some weaknesses to be improved in order to improve control process to the better objective.
Perancangan Sistem Informasi Penjualan pada Apotek Permatasari, Angelina
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.v4i1.2683

Abstract

The purpose of this study is to analyze the problems on the sales system of a pharmacy, to identify the information needs and to design a sales information system that addresses the information needs. The methodologies used are analysis and design. Analysis are conducted to identify the needs of information through observation, interviews, and surveys of the old system. While the design method used is Object Oriented Analysis and Design (OOAD). This study results in an application design of sales information system for the pharmacy to handle the manual sales system. A computerized sales information system is able to solve problems that occur in the old system and procedures at the pharmacy. 
Pengenalan Citra Wajah Dengan Menggunakan Transformasi Wavelet Diskrit dan Jaringan Saraf Tiruan Back-Propagation Effendy, Suhendry
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.v1i2.2569

Abstract

This paper discusses the facial image recognition system using Discrete Wavelet Transform and back-propagation artificial neural network. Discrete Wavelet Transform processes the input image to obtain the essential features found on the face image. These features are then classified using an back-propagation artificial neural network for the input image to be identified. Testing the system using facial images in AT & T Database of Faces of 400 images comprising 40 facial images of individuals and web-camera catches as many as 100 images of 10 individuals. The accuracy of level of recognition on AT & T Database of Faces reaches 93.5%, while the accuracy of level of recognition on a web-camera capture images up to 96%. Testing is also done on image of AT & T Database of Faces with given noise. Apparently the noise in the image does not give meaningful effect on the level of recognition accuracy. 

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