Jurnal Teknologi Informasi dan Komunikasi (TIKomSiN - STMIK Sinar Nusantara)
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Application of K-Means Clustering to Monitoring the level of Fertilizer Usage in Rice Fields in Ngawi Regency
Full text linkFertilizer is a substance given to plants that could be food for plants. Fertilizer itself divided into two types, that is inorganic fertilizers and organic fertilizer. Fertilizer is very important to the needs of farmers, especially farmers. Therefore fertilizer needs should be able to in monitoring in order not to occur lack. The purpose of this study is a grouping of the use of fertilizer in every town in the districts of Ngawi with k-Means algorithm. The formulation of the problem to overcome is how to apply the method of k-means algorithm to categorize fertilizer needs in every town in the Ngawi. K-means is clustering algorithm where one object can be in group based on data similarities. Clustering results K-means Clustering is seen in the first group high (Cluster 1) contains 6, In the second group medium (Cluster 2) contains 2 sub-districts, while in the third group low (cluster 3rd) contains 11 sub-districts
IMPLEMENTASI KRACK DAN KRACK DETECTOR TERHADAP WPA_SUPPLICANT PADA PERANGKAT ANDROID DAN LINUX UBUNTU
Full text linkNowadays WiFi services is available in many public places to accesses the information. Most of WiFi services use the Wifi Protected Access 2 (WPA2) security. This protocol uses a 4-way handshake mechanism for authentication process, but there is a weakness by using the 4-way handshake mechanism that possible to re-install the key (KRACK). This weakness can be used by attackers to hold up communications so that attackers can enter the network. This study, KRACK analysis was carried out on wpa_supplicant Android and Linux Ubuntu which connected to WiFi and the WPA2 security protocol to know the weaknesses. The analysis is doing on the user's device by connecting to the Rogue AP generated by the Vanhoef script. This dangerous line is compared to normal line. Analyzing attacks on 4-way handshakes, this research create implementation of KRACK Detector and the result of detection will be used to get the KRACK characteristics. The information getting from the result can prevent the disadvantages which coming by attacks. The validation of the research was carried out by using Wireshark to make sure that the third massage sends which show threat of attack
Pengaruh Disiplin Ilmu Terhadap Kecenderungan Mahasiswa Dalam Mengakses Informasi Melalui Media Sosial Menggunakan Metode Chi Square
Full text linkSocial media becomes necessity that is always consumed by many levels of society to looking for such of information. Social media services provide many features that make users can enjoying seaching in cyberspace. All the level of society, all the level of social background and all the level of professions are very familiar with various social media. Social media services on gadgets have facilities to obtain information quickly and easily, such as Facebook, Instagram, YouTube and etc. This study examines the usage of smartphones to determine whether there is a significant effect of students from various disciplines on the tendency of students to access the information needed to support assignments or to find out the required data through social media. The Chi Square method is used as a testing method to determine the effect of disciplines on student tendencies in accessing information topics through social media. The data analysis gave the measurable results based on quantitative data and interesting information. The results showed that the influence of the field of study on students’ Tendencies depend on intensity time in accessing social media
Evaluasi Sistem Informasi Manajemen Puskesmas (Simpus) (Studi Kasus : Puskesmas Induk Di Wilayah Kabupaten Sukoharjo)
Full text linkThe public health center management information system (SIMPUS) is used to provide services at public health center, from patient registration to medical services. There are some inconsistencies regulations happen, so it is needed evaluation using COBIT 4.1 to evaluate the level of capability (As-Is) and draw conclusion.This research uses primary and secondary data collection methods. This study uses primary and secondary data collection methods. The author conducts an evaluation process using Framework COBIT 4.1 domain Acquire and Implement (AI) process Acquire and Maintain Application Software (AI2), Delivery and Support (DS) process Educate and Train Users (DS7) and Monitor and Evaluate (ME) process Monitor and Evaluate IT Performance (ME1). There are 154 respondents with details of AI2 27 respondents, DS7 100 respondents, and ME1 27 respondents. The AI2 questionnaire has 24 questions, DS7 and ME1 have 18 questions. The maturity level of AI2 is 3.29 and DS7 is 2.59, the value of CO maturity is at matury level 3, which means the condition in which the entire process has been documented and has been communicated, and implemented properly, but there is no evaluation process of the system. The ME1 maturity level of 3.58 at matury level 4 means that the computerized process can be monitored and evaluated properly. Based on the expected level, it is concluded that the average expected ideal value for AI2 and DS7 is at level 4 while ME1 is at level 5
Penerapan Navmesh Dengan Algoritma A Star Pathfinding Pada Game Edukasi 3d Go Green
Full text linkCleanliness is one of the requirements to create a healthy living environment. But in reality, not everyone have a concern for environmental hygiene and health. For this reason, learning about the importance of caring for environmental cleanliness must be instilled early on. One interesting method to provide learning about environmental cleanliness can be through games. With the 3D visualization of this environmental cleanliness game, it is an effort to raise awareness of the importance of environmental hygiene and health in the community. The location used in making this game is Campus 1 Poltekkes Surakarta. The purpose of this study is implementation of Navmesh with the A Star (A*) Pathfinding Algorithm on the characters so that players can find the trash location point and the location point of the tree with the shortest route. Making this game uses the GDLC (Game Development Life Cycle) method with stages of Initiation, Pre Production, Production, Testing, Beta and Release. This game can be played on desktop and mobile devices. The results of the research that has been done are seen from the algorithm simulation testing is the nodes that are passed by as many as 50 nodes, where there are duplicate data as many as 7 nodes due to real time systems that read nodes over and over. Thus, the application accuracy rate reaches 86%
Metode K-Means Untuk Pemetaan Persebaran Usaha Mikro Kecil Dan Menengah
Full text linkDevelopments in the current era of globalization are very dependent on the economic sector which is the benchmark of success carried out by the government. The role of the community in national development in the economic field is the existence of Micro, Small and Medium Enterprises (MSMEs). To increase the role of MSMEs as a benchmark for the success of the economic sector, there must be support from the government, such as assistance for business owners with limited costs. The purpose of this study is to determine community business groups as a measure of the level of business, making it easier for the government to provide assistance. The K-Means Clustering method is a method used for grouping business levels based on the income that exists in today's society. The result of this research is a website-based business-level grouping system used by the Cooperatives and SMEs Office by grouping them into micro, small and medium-sized businesses based on income/assets.
Sistem Pendukung Keputusan Pengadopsian Anak Menggunakan Metode Analytical Hierarchy Process Dan Metode Perbandingan Eksponensial
Full text linkYPAB is an institution that keeps and takes care babies and children who don’t have parents. The babies and the children can be adopted, but the institution has their own regulations for potential adopters who want to adopt children. All this time, adopter who adopted the babies or the children from YPAB institution is done manually which need long time. Therefore, DSS is needed for decide a potential adopter. The purpose of this research is developing a DSS in the process of selecting potential adopters. Meanwhile, the research method uses the Analytical Hierarchy Process (AHP) and the Exponential Comparison Method (MPE) and the System testing uses black-box and validity testing. System testing is used black-box and validity testing by comparing the real YPAB data and the calculation system results. The test results show that the adoption system using the Analytical Hierarchy Process (AHP) method and the Exponential Comparison Method (MPE) has a good performance so that the system is feasible to be implemented in YPAB
Measuring User Satisfaction Online-KRS Using End User Computing Satisfaction Method
No full textEvaluation of User Satisfaction with the Online KRS System at XYZ Health College using the End User Computing Satisfaction method. XYZ Health College in the KRS process has been supported by the KRS Online information system, but the KRS Online user satisfaction level has never been measured. The purpose of this study was to determine the level of user satisfaction of KRS Online College of Health XYZ in terms of several factors, namely content, accuracy, form, ease of use, and timeliness in assessing user satisfaction of KRS Online. The results of the research using instrument tests, data quality tests, multiple linear regression analysis, coefficient of determination, t test and f test are known based on the results of the analysis that the effect of the independent variable on the dependent variable is expressed by the coefficient of determination (R2) which is 0.471 or 47.1% . And the value > Fcount (13.904) > Ftable (2.76) so that the content, accuracy, form, ease of use and timeliness together have an effect on satisfaction
Pencarian Data Barang Produk Atribut Sekolah Menggunakan Algoritma Binary Search
Full text linkTechnology and information that is growing and sophisticated must be balanced according to the needs. For it was made the application of binary algorithms for the search data goods production of school attributes. Many methods in search with the goal of making it easier to search, e.g. search data of production items of school attributes with binary search method. Convection in the search of production goods using the manual way by looking for the archive data written in the notebook, the purpose of this research is to create a data retrieval system of goods that will be applied as a data retrieval tool of goods, as well as change the system manual to the computing system. In this research using Binary Search algorithm. Binary search algorithm is a technique applied only on the sorted element (sorted). This research using method of binary search algorithm with analysis stage, system design, coding/construction, testing, and implementation. In the analysis stage, the collection of data conducted is observation and literature study. At the system design stage using Unified Modelling Language (UML) include the use case diagram, activity diagram, Sequence diagram, and Diagram class. At the construction stage using the Java programming language using Netbeans and MySQL Server tools while the implementation of this system is the application of data retrieval of goods. To know the eligibility of a system, it is necessary to test against the search time of 210 data each time duration, 0.0004 seconds, 0.0005 seconds, 0.0006 seconds, 0.0007 seconds, 0.0008 seconds, 0.0009 seconds, 0.0010 seconds, 0.0012 seconds, 0.0014 seconds, 0.00117 seconds. The final result of this study is the application of search for production goods with Binary Search Algorithm Method
Implementasi Metode Penghalusan Ekponensial Tunggal Dalam Prediksi Penjualan Buku
Full text linkThe prediction of the quantity of product sales in the future is intended to control the amount of existing product stock, so that product shortages or excess stock can be minimized. When the quantity of sales can be predicted accurately, the fulfillment of consumer demand can be sought on time and the cooperation of the store with the relationship is maintained well so that the store can avoid losing both sales and consumers. The purpose of this study is to compare the effectiveness of the use of the Single Exponential Smoothing method and methods Double Exponential Smoothing with a smoothing parameter value a = 0.5 for forecasting sales by comparing the error values in the two methods using the Mean Squared Error (MSE) method, the MSE results of the Single Exponential Smoothing method is 4967.75 while the MSE Double Exponential Smoothing is 5113.03. Thus, the Single Exponential Smoothing method is more accurate than Double Exponential Smoothing in calculating book sales forecasting because it has a low MSE value