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IJID (International Journal on Informatics for Development)

ijid
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Published by Universitas Islam Negeri Sunan Kalijaga Yogyakarta

ISSN : 22527834 EISSN : 25497448 DOI : -

Core Subject : Science,

Computer Science & IT

One important point in the accreditation of higher education study programs is the availability of a journal that holds the results of research of many investigators. Since the year 2012, Informatics Department has English language. Journal called IJID International Journal on Informatics for Development. IJID Issues accommodate a variety of issues, the latest from the world of science and technology. One of the requirements of a quality journal if the journal is said to focus on one area of science and sustainability of IJID. We accept the scientific literature from the readers. And hopefully these journals can be useful for the development of IT in the world. Informatics Department Faculty of Science and Technology State Islamic University Sunan Kalijaga.

Arjuna Subject : -

Articles 216 Documents

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Genetic Algorithm Parameters in a Vendor Managed Inventory Model Pramudyo, Cahyono Sigit
IJID (International Journal on Informatics for Development) Vol 7, No 1 (2018): IJID June
Publisher : Universitas Islam Negeri Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/ijid.2018.07108

To handle the information exchange problem between a vendor and a retailer, Vendor Managed Inventory (VMI) provides a good approach to handle the problem. Information exchanges between both sides enhance supply chain performance. In a previous research work, a stochastic model for one vendor and one retailer has been developed. Simulation optimization using genetic algorithm (GA) has been use to solve the problem. There are 2 important parameters in genetic algorithm (probability of mutation and probability of crossover). This research aims at analyzing relations between GA parameters and optimal solutions. This research compares many combinations of GA parameters and the effects on optimal solutions and time to reach the optimal solutions. This research concludes that the best combination reaches the optimal solutions. Unfortunately, the best combination is only suitable for a certain condition and increasing/reducing GA parameters values do not automatically improve the optimal solutions.

Analysis of QOS VLAN Based on Djikstra’s Algorithm on Open Shortest Path First(OSPF) Alfani, Muhammad Nur; Sugiantoro, Bambang
IJID (International Journal on Informatics for Development) Vol 7, No 2 (2018): IJID December
Publisher : Universitas Islam Negeri Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/ijid.2018.07205

As an institution engaged in SMK Muhammadiyah 03 Yogyakarta requires network infrastructure as a medium of communication. Infrastructure in SMK Muhammadiyah based VLAN but still using static routing and star topologies as a medium of communication between router. This leads to the main router performance overburdened which makes the network infrastructure down. It is necessary to reform the network, especially in the communication protocol on the router by using protocol Open Shortest Path First(OSPF). OSPF is a link state-based routing protocol that uses Dijkstra’s algorithm to find the best path is taken as a communication medium. Makin paths made by considering various aspects of the parameters that affect network traffic. OSPF can minimize down on network infrastructure caused by the buren of a huge traffic to maintain the stability of traffic on communication lines. The results using the method QOS on infrastructure with the OSPF protocol can be classified very nice. It is obtaine from the measurement parameter delay <150 ms, packet loss (0%), an bandwidth has a very goo category based on the standard TIPHON. From the results of the QOS parameters also obtained a decrease in delay value by 31% on infrastructure with the OSPF protocol. This proves that the network traffic is more stable when using OSPF protocol.

Design and Development of Web Based Employee Payroll Information System Using Codeigniter Framework and Extreme Programming Method Mahardika, Devara Eko Katon; Siregar, Maria Ulfah
IJID (International Journal on Informatics for Development) Vol 7, No 2 (2018): IJID December
Publisher : Universitas Islam Negeri Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/ijid.2018.07201

Abstract—Universitas Proklamasi 45 Yogyakarta is a private university which is supervised by a Foundation that has implemented various information systems in various fields of work. However, in the payroll process the employees are still done manually and have not utilized a computerized system, such as attendance recap, wage recapitulation in addition to basic salary, as well as the sum of salary received by employees. This makes the payroll process less effective and efficient. This study aims to establish a proposed system that is a web-based employee payroll information system at the Universitas Proklamasi 45 Yogyakarta with the PHP programming language using Codeigniter Framework and MySQL as its database. The system development method used is the Extreme Programming method. This method was chosen because it promotes intense communication between the client and the system developer so that when there are changes or errors in the system, the developer is always ready to fix it. Extreme Programming also has a simple stage, namely planning, design, coding, and testing. The results of this study are the result of a web-based employee payroll information system that has various actors involved in the management and processing of its data. With this information system, the employee payroll process becomes more effective and efficient, because payroll data is processed and calculated by the system so that it has a high level of data accuracy and does not require a long time in the calculation process.

Analysis Of Quality Of Service (Qos) Youtube Streaming Video Service In Wireless Network In The Environment Faculty Of Science And Technology Uin Sunan Kalijaga Wishnu, Asep; Sugiantoro, Bambang
IJID (International Journal on Informatics for Development) Vol 7, No 2 (2018): IJID December
Publisher : Universitas Islam Negeri Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/ijid.2018.07206

The growing number of internet users in Indonesia, making the number of users increasing especially video streaming on Youtube service. This increase is based on rapid technological developments, especially PCs, Laptops and Smartphones that use wireless or wireless internet access. The use of streaming video over wireless networks is different from cable networks Because The characteristics of wireless networks are limited Compared to wired networks, and the characteristics of streaming video transmissions that require different handling than traditional text, and the data transmissions. As a first step towards Achieving an optimum Internet network service effort, Applies Action Research This research method by utilizing video quality with 360p, 480p, and 720p. The QOS parameters Analyzed Consist of delay, jitter, throughput, packet loss and bandwidth using wireshark and NetTools for the testing phase. The results of analysis using QoS for streaming video shows the performance of wireless network services at UIN Sunan Kalijaga, Faculty of Science and Technology is still not maximal especially on video with 480p quality, that has a 20 ms delay and jitter quality level ms According -0.0269 to TIPHON is very good. The amount of throughput is 0:55 MBps throughput and the percentage is 3% and the packet loss value is 28%, if it is Categorized by TIPHON standardization bad this value falls into the category. For the average bandwidth used is 329 714 bps value.

Comparison of Dijkstra dan Floyd-Warshall Algorithm to Determine the Best Route of Train Dermawan, Tri Setya
IJID (International Journal on Informatics for Development) Vol 7, No 2 (2018): IJID December
Publisher : Universitas Islam Negeri Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/ijid.2018.07202

Abstract - The best route is the path found based on the minimum price of a train journey using the Dijkstra and Floyd-Warshall algorithms. This study aims to find out the comparison of Dijkstra and Floyd-Warshall algorithms in finding the best path on a train trip. The results of route discovery will be displayed in a web-based application using the PHP programming language and MySQL database. The results of these two algorithms are compared using 4 parameters: time complexity, memory complexity, level of completion and level of optimization.Based on the comparison results from the implementation that Dijkstra's algorithm has a time complexity of 81 faster than the Floyd-Warshall algorithm. For the memory complexity, Dijkstra's algorithm uses a memory of 512616 bytes less than the Floyd-Warshall algorithm for the executive category. Whereas for the economic category the Dijkstra algorithm uses a memory of 482488 bytes less than the Floyd-Warshall algorithm. For the level of completion of the two algorithms, there is no error. In addition, for the level of optimization the Dijkstra algorithm has advantages in this study, namely the data used is dynamic or variable data in each stage of the process.

Programmer Performance Influence Factors with Sequential Explanatory Model Case Study in Data Warehouse and IT Center of UIN Sunan Kalijaga Yogyakarta Anggraeny Iskandar, Siska Restu; Sumarsono, Sumarsono; Fitriyani, Norma Latief; Suryana, Sendy Aditya
IJID (International Journal on Informatics for Development) Vol 7, No 2 (2018): IJID December
Publisher : Universitas Islam Negeri Sunan Kalijaga Yogyakarta

Abstract— Implementation is one of phases in Software Development Life Cycle (SDLC). Programmer as software development lead actor decided whether software is completed on time or postpone according to development schedule. Data Warehouse and IT Center (PTIPD) as a software developer official vendor in UIN Sunan Kalijaga, they developed a growing number of software to facilitate administrative processes in college academic community. This is an analysis to determine the factors that most influence the developers. The object of this research are 9 (nine) people. They are all software programmer in PTIPD. The research using Mixed Methods Research that combines two methods of research, qualitative and quantitative. Two factors from previous research are factors materialistic and non-materialistic factors. Materialistic factors are Reward and Punishment; Career Development and Contra-Accomplishment, Incentive and Bonus. Non-Materialistic factors are: Usefulness; Relationships and Spirituality. Preliminary data taken from interviews, observation and documentation study to discover object opinions and views. Validity Test and Reliability Test using SPSS software for qualitative data is provided. The most influence factor for programmer performance SDLC of PTIPD UIN Sunan Kalijaga is Usefulness with the highest value at 3 (three) informant: Oscar, Bravo, Mike and Relations with the highest value at 3 (three) informant: Delta, Sierra, Zulu . Keywords: Career development, programmer performance, relationship, sequential explanatory, mixed method research.

The Mapping of Access Point Workloads at UIN Sunan Kalijaga Based on Log Analysis using K-Means Algorithm Razendra Bintang Kharisma; Ahmad Subhan Yazid
IJID (International Journal on Informatics for Development) Vol. 6 No. 1 (2017): IJID June
Publisher : Faculty of Science and Technology, UIN Sunan Kalijaga Yogyakarta

This study aims to map the use of access points based on the log of usage in several locations in the UIN Sunan Kalijaga. The analyzed data are access point records taken three times a day for one week working hours. The data obtained was processed and clustered using the K-Means algorithm. There are five clusters obtained from the processed data, each of which divides the number of access loads from an access point. The results of clustering provide a recommendation on which locations need to be added to access points that it can improve institutional userservices.

Analysis of Semi Parabolic Grid Antenna 2.4 GHz for Wireless LAN Hasanah, Titin Uswatun; Arifin, Hendra Dea; Muhsina, Elvanisa Ayu; son, Sumarsono
IJID (International Journal on Informatics for Development) Vol 2, No 1 (2013): IJID May
Publisher : Universitas Islam Negeri Sunan Kalijaga Yogyakarta

Research on analysis Semi Parabolic Grid antenna 2.4 GHz for Wireless LAN networks motivated many ordinary people who do not understand about the use of wireless LAN technology. With this research are expected to help the public in the use of antennas and wireless networking technology Wireless LAN. This research can also be used to become reference in obtaining information about Wireless LAN antenna. This research methodology is experimental. The author made several steps of literature review studies, feasibility studies of site survey and documentation of site survey, analysis which includes analyzing the available networks and analyzes the use of the area and tower, installation, testing and implementation, evaluation, documentation and to compile the final project report book. The author also experienced some constraints in the research, such as distance between of antenna Grid with Access Point, which often have configuration error and the existence of of deficiencies found in antenna Grid that makes less link quality. There are several things that affect the quality of the signal emitted by Access Point include: distance and placement of Access Points and Grid antenna, the focal point and the point of the angle between the Grid antenna Access Point, the presence of barriers and the type of Access Point. Link budget and the fade margin is also very influential on the reliability of wireless links. Antenna Semi Parabolic Grid 2.4 GHz can be connected to the Access Point at certain distance with the signal strength is directly proportional to the distance.

Information Technology as Science: A New Model for Learning Puguh Jayadi; Fathul Wahid
IJID (International Journal on Informatics for Development) Vol. 8 No. 1 (2019): IJID June
Publisher : Faculty of Science and Technology, UIN Sunan Kalijaga Yogyakarta

The integration of learning and Information Technology (IT) currently has a good impact on education. Besides making it easy, IT also provides opportunities to achieve learning goals anytime and anywhere. Many studies have discussed how to achieve successful learning through IT. IT here only serves as a support for learning, not as a science. This research develops a model or instrument used to achieve learning success by placing IT as a science. As a result, a learning model was successfully developed by combining several perspectives related to IT; students (Background, desire, and skill), teacher (teaching), and institution (infrastructure).

Developing Speech Recognition System for Quranic Verse Recitation Learning Software Budiman Putra; B. Atmaja; D. Prananto
IJID (International Journal on Informatics for Development) Vol. 1 No. 2 (2012): IJID December
Publisher : Faculty of Science and Technology, UIN Sunan Kalijaga Yogyakarta

Quran as holy book for Muslim consists of many rules which are needed to be considered in reading Quran verse properly. If the recitation does not meet all of those rules, the meaning of Quran verse recited will be different with its origins. Intensive learning is needed to be able to do correct recitation. However, the limitation of teachers and time to study Quran verse recitation together in a class could be an obstacle in Quran recitation learning. In order to minimize the obstacle and to ease the learning process we implement speech recognition techniques based on Mel Frequency Cepstral Coefficient (MFCC) features and Gaussian Mixture Model (GMM) modeling, we have successfully designed and developed Quran verse recitation learning software in prototype stage. This software is interactive multimedia software which has many features for learning flexibility and effectiveness. This paper explains the developing of speech recognition system for Quran learning software which is built with the ability to perform evaluation and correction in Qur?an recitation. In this paper, the authors present clearly the built and tested prototype of the system based on experiment data.

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Home Page

OAI Link

Editorial Team

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Contact Name Brian Rakhmat Aji

Contact Email brianetlab@gmail.com

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Contact Name
Brian Rakhmat Aji

Contact Email
brianetlab@gmail.com

Phone
-

Journal Mail Official
ijid@uin-suka.ac.id

Editorial Address
-

Location
Kab. sleman,

Daerah istimewa yogyakarta

INDONESIA