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INDONESIA
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Education, Engineering,
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering
Jurnal Pengembangan Teknlogi Informasi dan Ilmu Komputer (J-PTIIK) Universitas Brawijaya merupakan jurnal keilmuan dibidang komputer yang memuat tulisan ilmiah hasil dari penelitian mahasiswa-mahasiswa Fakultas Ilmu Komputer Universitas Brawijaya. Jurnal ini diharapkan dapat mengembangkan penelitian dan memberikan kontribusi yang berarti untuk meningkatkan sumber daya penelitian dalam Teknologi Informasi dan Ilmu Komputer.
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Articles 50 Documents
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Search results for , issue "Vol 5 No 4 (2021): April 2021" : 50 Documents clear
Segmentasi Pelanggan Menggunakan Fuzzy C-Means Clustering berdasarkan RFM Model pada E-Commerce (Studi Kasus: E-Commerce XYZ) Arieftia Wicaksono; Fitra Abdurrachman Bachtiar; Nanang Yudi Setiawan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

E-Commerce XYZ is a marketplace site owned by a state-owned telecommunications company. There are various kinds of purchasing behavior of e-commerce users in Indonesia. With customer segmentation, e-commerce XYZ can find out information related to existing customer behavior to attract new potential customers and retain loyal customers. The data used in this research were transaction data from January 1, 2020 to April 30, 2020 with a total of 78,262 transactions. This customer segmentation process is segmented based on Recency (the number of days needed between two purchases), Frequency (number of purchases within a certain period), and Monetary (the amount of money spent in a certain period) or commonly referred to as the RFM model. The segmentation technique used is clustering with the Fuzzy C-Means Clustering method. Elbow method is used to determine the best number of clusters. This research resulted in customer segmentation into 2 and 3 clusters. The cluster results will be validated and verified using the silhouette coefficient and euclidean distance to determine the best cluster. The validation results using the silhouette coefficient for cluster 2 and cluster 3 are 0.703 and 0.645, respectively. The results of segmentation based on the RFM model will be visualized using a dashboard to help stakeholders see the purchasing behavior of each cluster. The dashboard is evaluated using the System Usability Scale (SUS) to determine its usability level. The results of the dashboard evaluation are 97.5, these results are included in Grade "A" and Adjective Rating "Excellent". With these results, the XYZ E-Commerce dashboard that was created is functioning properly for stakeholders.
Perancangan Antarmuka Pengguna Aplikasi Pengelolaan Program PPK Sekolah menggunakan Metode Human-Centered Design (HCD) (Kasus: SMPI Sabilurrosyad Malang) Dinda Kanya Anky Putri; Ismiarta Aknuranda; Retno Indah Rokhmawati
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Penguatan Pendidikan Karakter (PPK) is a national education policy that aims to strengthen the character of students. Through the PPK program, it is hoped that educational units can improve the quality of education, especially in the aspect of building strong character. SMPI Sabilurrosyad is an Islamic junior high school located in the city of Malang, East Java, and is included in the education unit that implements PPK in all school activities. In the past year, SMPI Sabilurrosyad has implemented PPK in the implementation of activities in schools, but the documentation of activities and supporting files is still scattered and not centralized, making it difficult for school to assess the success of the PPK program that has been implemented. With these problems, the researcher designed a web-based application user interface to support the documentation collection process and the PPK program assessment process in schools. The method used is Human Centered Design (HCD) which involves the user at every stage so that the resulting user interface design can meet user needs. This study resulted in two user interface designs in the form of a wireframe and a high-fidelity prototype. The prototypes were evaluated using the Usability Testing technique and the Single Ease Question method to four respondents. The test results obtained indicate that the given task can be done easily by the respondent, but the interface design still needs improvement based on the respondents' suggestions.
Konsumsi Energi Protokol Routing Zone Routing Protocol (ZRP) Pada Mobile Ad-Hoc Network (MANET) Faiz Amzadkhan Fajar; Primantara Hari Trisnawan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Mobile Ad-Hoc Network (MANET) is a network technology formed from connected device without depending on fixed-network infrastructure. The nodes in MANET are dynamic, they can freely move at varying speed. Besides, nodes also have multifunctional roles, which can be a sender, receiver, or an agent. Accordingly, one of the major issues in MANET is consumption of the energy. In this research, Zone Routing Protocol (ZRP) implemented on Mobile Ad-Hoc Network. The simulation applied on Network Simulator 2 (NS2) with Fixed Grid and Random Waypoint as a mobility model, also with various number of nodes (30,50,70). It is carried out in 1000 m x 1000 m simulation area for Random Waypoint mobility with 2 m/s - 5 m/s nodes speed. The result showed that average of the energy consumption for Fixed Grid mobility 30 nodes is 774.822 Joules, average of the energy consumption for Fixed Grid mobility 50 nodes is 801.931 Joules, and 882.064 Joules for Fixed Grid mobility 70 nodes. The average energy consumption on Random Waypoint mobility for 30 nodes is 900.626 Joules, 50 nodes is 880.784 Joules, and 772.889 Joules for 70 nodes. Based on the result, it can be concluded that average of the energy consumption for Fixed Grid mobility is increase along with increasing number of nodes. However, average of the energy consumption for Random Waypoint is decrease along with increasing number of nodes.
Evaluasi Tata Kelola Teknologi Informasi menggunakan Kerangka Kerja COBIT 5 Fokus Proses EDM04, APO07, dan DSS01 (Studi Kasus: Dinas Komunikasi Informatika dan Persandian Kabupaten Situbondo) Zainul Anshor; Suprapto Suprapto; Diah Priharsari
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The use of Information Technology (IT) in government institutions is very important to be applied optimally, in order to realize electronic-based governance. Diskominfosan Kabupaten Situbondo as a supporter of government activities that utilize IT, plays an active role in realizing IT-based governance and public information services. However, in implement its activities there are problems that focus on IT infrastructure management and HR competencies that still need to be evaluated. Therefore, Diskominfosan Kabupaten Situbondo needs an evaluation of IT governance that is applied based on the COBIT 5 framework. This research was conducted with the goal of identifying the capability level of IT governance based on the EDM04 (Ensure Resource Optimization), APO07 (Manage Human Resources), and DSS01 (Manage Operations) processes. This evaluation uses qualitative methods with data collection techniques in the form of questionnaires, observations, and interviews. From the data collection results obtained, the capability level for the EDM04, APO07, and DSS01 processes is at level 1 (Performed Process). For the gap, each process is 1 level difference from the expected target level. Each process is at level 2 (Managed Process) for the expected of capability level. To achieve this, it's needs improvement recommendations given by reference to the mapping of Base Practices (BP), Work Products (WP), Generic Practices (GP), and Generic Work Products (GWP) in solving the problem.
Implementasi Deteksi Hujan dan Banjir Secara Real Time Monitoring berbasis MQTT Over Websocket Menggunakan Modul ESP32 Muhammad Rouzikin Annur; Nurul Hidayat; Arief Andy Soebroto
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Indonesia is a country traversed by the equator, which means that rainfall in Indonesia is quite high. Rainfall in several areas, one of which is in the city of Malang, is one of the areas that has high rainfall. The uneven road conditions in Malang City make part of the road flooded with water when it rains and some roads that are not flooded are inundated, therefore the authors make a tool that can provide information on the latest conditions on roads prone to rain and floods with standing water by installing a detection tool in the form of a sensor that is connected to the internet so that it can be accessed by the general public. The way this tool works is by detecting rain and water levels on the highway, precisely on roads where floods often occur during heavy rain, then the detection data is sent to the internet so that it can be accessed by users or the general public. The results of this study are expected to be able to help users or the general public find alternative roads when there is rain or a flood of standing water on the highway.
Perancangan User Experience Aplikasi Publikasi Buku Digital menggunakan Metode Five Planes Joang Pratama Achmad; Komang Candra Brata; Lutfi Fanani
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Students spend a lot of money in completing research for graduation to find references. This causes many students did piracy. The development of a digital book publication apps prototype is carried out in order to become an inexpensive solution for students in finding digital books or supporting references. The subscription system is made to be an inexpensive solution to the prototypes being made. The design is carried out by taking into account the aspects of the user experience based on the five-field method consisting of 5 layers, namely strategy plane, scope plane, structure plane, skeleton plane, and surface plane. The [initial interviews were conducted to obtain results that did not require the user to construct. A persona is determined that is used as a reference for creating functional, task flow, and hierarchical task analysis (HTA). HTA is used as a reference for making low-fidelity designs which later created a prototype. The evaluation process uses a task scenario for users and the User Experience Questionnaire (UEQ) as an assessment of user experience that generate attractiveness value of 1,433 with above average level, a perspective value of 1,250 with below average level, an efficiency value of 1,250 with above average level, the value of dependability is 1,500 with good level, a stimulation value of 0.900 with below the average level, and a novelty value of 0.050 with bad level. Evaluation using the System Usability Scale (SUS) method was carried out as a usability measurement that generate value of 78.5 or B+ in letter-grade form.
Implementasi Algoritme Forkskinny pada Pengiriman Data Antara IoT Node dengan IoT Gateway Buntoro Tirto Sugondo; Agung Setia Budi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Internet of things is an interesting topic, especially on data security, besides that the limited resources of IoT devices are a challenge for data encryption and authentication processes. Due to the rapid development of IoT, the National Institute of Standards and Technology (NIST) launched a project that aims to determine a lightweight cryptography standard, one of the candidates is forkskinny (ForkAE) which is a lightweight cryptography that uses a new scheme for authentication encryption (AE) based on skinny. In this work, the implementation of the forkskinny algorithm is carried out to secure the data between the IoT node and the IoT gateway, from the results of the tests that have been done, the results are obtained. Memory allocated by the IoT node for data encryption and decryption requires an average SRAM of 27568 bytes of the total SRAM 81920 bytes so that the average percentage of SRAM used is 33.6523% and for flash memory has an average of 268097.6 bytes with total flash memory of 1044464 bytes so it only requires a flash memory percentage of 25.6684%. The algorithm performance test on the IoT node obtained an average of 4128.53333 microseconds, for the encryption and decryption process an average of 5858.13333 microseconds was obtained. The algorithm performance on the IoT gateway for the encryption process has an average of 1149.8 microseconds and for data decryption the average value is 1676.7 microseconds.
Klasifikasi Fungsi Senyawa Aktif berdasarkan Notasi Simplified Molecular Input Line Entry System (SMILES) menggunakan Metode Random Forest Faiz Anggiananta Winantoro; Dian Eka Ratnawati; Syaiful Anam
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

A compound is a single substance composed of two or more elements that form chemical bonds. There are two types of compounds, namely active compounds and inactive compounds. Active compounds are compounds that have physiological effects on other organisms. In Indonesia, there are still many active compounds whose function is unknown. Therefore, a classification method is needed to help determine the function of the active compound. Classification is done with data written in SMILES notation. From the SMILES notation, features such as the number of atoms B, C, N, O, P, S, F, Cl, Br, I, OH, =, #, @, -, +, COC, C = C, are taken. O-], N +, C = O, and () go through the preprocessing process. Before being used for the classification process, all these features are divided by the length of the SMILES notation to get their value. This research was conducted to classify the function of active compounds by applying the Random Forest (RF) method with the SMILES data object with 4 classes of compound functions. RF was chosen because this method has almost no overfitting conditions, is able to handle data with many features, and this method is not affected by datasets that have missing values. The best accuracy resulted in testing with 4 class data is 69% and the best average in testing with the K-Fold Cross Validation method is 63%. Then, on the data with 3 classes of compound functions, the best accuracy is 76% and the best average in testing with the K-Fold Cross Validation method is 70%. Finally, testing data with 2 classes of compound functions produces the highest accuracy of 86% and the best average of 80%.
Sistem Klasifikasi Kesegaran Daging Sapi berdasarkan Citra menggunakan Metode Naive Bayes berbasis Raspberry Pi Habib Muhammad Al-Jabbar; Hurriyatul Fitriyah; Rizal Maulana
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Beef is one of the commodities that has contributed to the improvement of public nutrition, particularly the need for animal protein. Fresh beef is meat that is fresh red in color, starting from being cut up to 10 hours. So far, evaluation of freshness and identification of meat composition has been done manually by means of human visual observations. Due to human limitations, there are often different perceptions of each observer. On this basis, as an effort to obtain beef freshness accurately, this research has made a tool that can detect the freshness of beef with the help of digital image computing. By using the Raspberry Pi as a mini computer, a camera as a sensor and image processing which is then classified by Naive Bayes, this system can work properly, it can be proven by the output of the accurate classification of beef freshness. The choice of the naive Bayes method is based on the fact that this method is a very good classification method in which the class of freshness types is known from the start. This method can also work even though it only uses a little training data. When there is a slight change in training data, the naive Bayes method also adapts quite well. The results of the beef color conversion process are then classified at the color level based on SNI standards. From 40 training data and 20 tested data, an accuracy of 95% and an average computation rate of 0.009094 seconds.
Implementasi Mekanisme Carry and Forward Antar Broker MQTT pada Lingkungan dengan Konektivitas Tidak Stabil (Intermittent Connection) Dyah Ayu Ocky Mawardani; Adhitya Bhawiyuga; Dany Primanita Kartikasari
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 5 No 4 (2021): April 2021
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Connecting internal system of IoT through internet can be done using MQTT protocol. MQTT was designed for application that required data collection accross constrained networks. However, its architecture doesn't support to handle mobility if the disconnected period takes longer time. It also has not been able to handle the problem of data delivery in intermittent connectivity environment. As a solution to handle such problem, this research focused on implementation carry and forward mechanism between MQTT brokers. The tests that were carried out include functionality, success rate, and delay between nodes. In functionality test, the functional requirements that have been designed, can be met by server and client. In success rate test, the results show the success rate of data delivery is 100%. The average delay between nodes from publisher 1 to local broker 32.63 seconds, local broker to broker agent 33.01 seconds and broker agent to subscribers 1, 2, and 3 respectively, 603181.91 seconds, 603201.15 seconds, and 603193.48 seconds. Then, from publisher 2 to local broker 78.31 seconds, local broker to broker agent 30.90 seconds and broker agent to subscriber 1, 2, and 3 respectively, 2118.80 seconds, 2110.62 seconds, and 2112.32 seconds. Last, from publisher 3 to local broker 78.55 seconds, local broker to agent broker 30.90 seconds and agent broker to subscribers 1, 2 and 3, respectively, 605302.96 seconds, 605313.72 seconds, and 605322.29 seconds.

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