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INDONESIA
Jurnal Sistem Komputer
Published by Universitas Diponegoro
ISSN : -     EISSN : -     DOI : -
Core Subject : Science,
Computer Science & IT
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Articles 102 Documents
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Implematasi Aeschipper Class Untuk Enkripsi URL di Sistem Informasi Akademik Fakultas Teknik Universitas Diponegoro Subari, Arkhan; Manan, Saiful
Jurnal Sistem Komputer Vol 4, No 2 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i2.70

Abstract

In web programming GET method can use to send data from client to server. Weaknees of the GET method is the appearance of transmitted data or variables in the URL. Users can easily change variables used and when it is executed, variable data will also be executed. It is very vulnerable to attack by malicious users with some techniques such as XSS or SQL injection. These weaknesses can be resolved with use encryption techniques to URLs that use the GET method, such as AES encryption. The process is encrypt variables on client side and decrypt on server side to retrieve actual data. Thus variable is not shown in the URL, so if there will be an attack attempt difficult. Academic Information System (AIS) of Engineering Faculty, as a web-based application also uses several modules that use the GET method for sending data. Thus addition of the security level using the URL encryption is needed to improve security of system and data on the AIS. The result is a variable that is sent with GET method is not display on URL on three modules, namely the main menu page, change the password and a link out of the syste . The encryption process adds time access to system by an average of 0:05 s, so that the outline does not affect system performance . Keywords: web applications, POST and GET, URL, encryption, AES, academic information system.
Integrasi Sharepoint Portal dan Office Web Application untuk Mendukung Layanan Cloud Kridalukmana, Rinta; Martono, Kurniawan Teguh
Jurnal Sistem Komputer Vol 4, No 2 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i2.71

Abstract

Abstract – Nowadays, information technology has been entering new era of cloud computing, whereas internet user can save and manipulate their file using the cloud. For more, not only provides storage and manipulation function, cloud can be used for document approval between employee to their manager. One of many solution to accommodate the needs mentioned above is sharepoint application by Microsoft. Web application maintained by sharepoint can be used as user interface to collaborate between users. To support document sharing and manipulation, sharepoint can be integrated with Office Web Application (OWA). By using OWA, user will meet experience using Microsoft Office through web browser. Considering Microsoft Office used by most people, the integration between sharepoint as web application farm and Office Web Application can be an altertative to enter cloud computing era
Analisis Citra Digital CT Scan Dengan Metode Ekualisasi Histogram dan Statistik Orde Pertama Dwi Nurhayati, Oky
Jurnal Sistem Komputer Vol 5, No 1 (2015)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v5i1.73

Abstract

this research aims to develop the science and technology of medical image processing CT Scan, which yield an identification system software. Histogram equalization method is the first step in image pre-processing that is applied to the digital images of CT Scan. The next step is statistical texture analysis method of first order to extract the parameters such as mean, variance, standard deviation.the result showed that the histogram equalization method and the statistical texture analysis can be used to distinguish normal CT Scan and abnormal that detected stroke.
Peluang Integrasi Eksisting Sistem Penjualan dengan Media Jejaring Sosial Kridalukmana, Rinta
Jurnal Sistem Komputer Vol 5, No 1 (2015)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v5i1.74

Abstract

Online social networks nowadays are not only used to connect individual users, but also become an opportunity that have been used by small business to offer products to other users by sharing information about their products and receiving order through social networks, even though most of the businesses already have website to work on it. The next challenge is to integrate the process above between business website and online social networks. This paper starts by providing overview about how businesses use online social network for commercial or marketing activities. By utilizing the Application Programming Interface (API) provided by online social networks, this study intends to explore the opportunities of integration between online social networks with the website that has been owned by the business
Pemodelan E-Learning Dengan Framework Learning Technology System Architecture (LTSA) Pada Stmik Pranata Indonesia Spits Warnars, Harco Leslie Hendric
Jurnal Sistem Komputer Vol 5, No 1 (2015)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v5i1.76

Abstract

The development of information and communication technology influences the changing from conventional into digital education which is recognized as e-learning. Most of education institution has employee students which have to spare their time between doing their higher education and working, including STMIK Pranata Indonesia. This is important for STMIK Pranata Indonesia to builds e-learning in order to support most of their students which are recognized as employee students. E-learning is modelled with Learning Technology System Architecture (LTSA) framework which is recognized as IEEE standard to build e-learning. At the end, this e-learning will help lecturers and students in academy teaching process.
Pengembangan Model Mitigasi Resiko Kredit Berbasis Komputasional Untuk Meningkatkan Kemampuan Manajemen Resiko Bagi Koperasi Wahyono, Teguh; Cahyono, Ariya Dwika
Jurnal Sistem Komputer Vol 5, No 1 (2015)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v5i1.78

Abstract

Cooperative lending is financial credit which provide benefits to the both cooperative and the customers. In the provision of credit, the cooperative should consider the customer’s ability to meets its obligations through the six criteria; character, collateral, condition, capacity, capital, and area. This study aims to develop an credit risk mitigation model based on Computational Science to improve risk management for Cooperative. In this case, bayesian algorithm do statistical calculation depend on six criteria. The major advantages of the proposed system are higher precision in credit evaluation of the high risk customers and higher sensitivity in the evaluation of higher value loans. 
Analisis perbandingan Cloud DOCUMENT pada EYeOS dan Google docs Utomo, Wiranto Herry; Pormes, Rivort
Jurnal Sistem Komputer Vol 5, No 1 (2015)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v5i1.77

Abstract

Penelitian ini bertujuan menganalisis perbandingan antara eyeOS dengan Google Docs sebagai alternatif yang lebih baik yang harus digunakan untuk membantu pengguna dalam masalah pendokumntasian.  Dokumen berupa dokumen pengolah kata, spreadsheet, dan presentation. Perbandingan antara eyeOS dengan Google Docs ini nantinya akan diketahui manakah yang paling efektif serta efisien yang dibutuhkan untuk keperluan dokumentasi dan dokumen dapat dibagikan ke para user lainnya.
Pengembangan Game Dengan Menggunakan Game Engine Game Maker Teguh Martono, Kurniawan
Jurnal Sistem Komputer Vol 5, No 1 (2015)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v5i1.80

Abstract

Computer is one part that can not be separated in human life at this time. The use of computer technology penetrated in all areas of health, education, military and trade. One of the effects of perkembanagn computer technology is in the field of entertainment, namely games. Game is one of the multimedia applications that can be used for various purposes such as education, entertainment, or for simulation. The development of a game requires methods and tools. Various methods can be used in deploy, one method that can be used is to use the method of multimedia development. Tool that can be used in the development of the game is to use the game maker. This tool is one tool that can be learned in a short time. Use game tool maker in game development can be used for game development beginner. This is because the language used in the game maker uses symbols are easily understood by the user. The language used in the tool maker game is to use GML language or the game maker.
Web Content Mining Menggunakan Partitional Clustering K-Means Pada News Aggregator Baidowi, Achmad Thoriq; Widiastuti, Nelly Indriani
Jurnal Sistem Komputer Vol 5, No 2 (2015)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v5i2.85

Abstract

News aggregator is one type of aggregator system (collector) which collects news from various sources, and then presented back to the user in a single entity so that users no longer need to venture out to various news sites for just looking for information. The system requires a news aggregator a way to show the same news information from the websites of news services. Based on that, this paper used  Web Content Mining (WCM) for information retrieval news from online news sites and partitional K-Means clustering system for processing news aggregator in objective the system to display collection of information based on keyword input from the user. From the test results using confusion matrix methods with a number of documents as many as 132 documents were taken from crawling indicate that the method partitional clustering K-Means can be applied to a system news aggregator for classifying news information with keyword "education" with an average accuracy of the classification of 98%. 
Virtual Reality to Promote Tourism in Indonesia Fauzi, Amir Hasanudin; Gozali, Alfian Akbar
Jurnal Sistem Komputer Vol 5, No 2 (2015)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v5i2.86

Abstract

Abstract— Tourism is an important source of income for many countries, especially in Indonesia. Indonesia is famous for its archipelago and tropic climate islands. Many tourists have visited Indonesia for leisure, business, and other purposes. To attract and increase potential tourists to travel to Indonesia, a promoting activities need to be done. However, these activities can only be done through a conventional flat display of a television, computer, or a smartphone. The information perceived from this kind of display only brings that much. The potential tourist can only “see” the advertisement, without feeling any interest in it. With the help of Virtual Reality Technology, an immersive advertisement about tourism can be created. Using the Oculus Rift DK2, this paper will explain how to integrate the promoting activities of tourism with the Virtual Reality Technology to create an immersive virtual world of Tourism to attract a potential tourist to visit Wonderful Indonesia.Tourism is an important source of income for many countries, especially in Indonesia. Indonesia is famous for its archipelago and tropic climate islands. Many tourists have visited Indonesia for leisure, business, and other purposes. To attract and increase potential tourists to travel to Indonesia, a promoting activities need to be done. However, these activities can only be done through a conventional flat display of a television, computer, or a smartphone. The information perceived from this kind of display only brings that much. The potential tourist can only “see” the advertisement, without feeling any interest in it. With the help of Virtual Reality Technology, an immersive advertisement about tourism can be created. Using the Oculus Rift DK2, this paper will explain how to integrate the promoting activities of tourism with the Virtual Reality Technology to create an immersive virtual world of Tourism to attract a potential tourist to visit Wonderful Indonesia.

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