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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.
Arjuna Subject : -
Articles 6,923 Documents
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Evaluasi Efikasi Diri dan Persepsi Kredibilitas Pengguna Sistem Informasi Perencanaan dan Penganggaran pada Badan Perencanaan, Penelitian, Pengembangan Kota Malang dengan Metode Technology Acceptance Model (TAM) Termodifikasi Handhika Baskoro Dwi Hatmojo; Yusi Tyroni Mursityo; Niken Hendrakusma Wardani
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 6 (2019): Juni 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Sistem Informasi Perencanaan dan Penganggaran is an application that used to help process preparation Regional Government Work Plan in Malang City. The ability of employees in the Regional Work Unit to use computer is uneven, that consequence to the use of the Sistem Informasi Perencanaan dan Penganggaran doesn't runnning as expected. Some functionalities found often problematic make users perception of credibility towards the Sistem Informasi Perencanaan dan Penganggaran is decreased and were questioned. The research conducted using the modified Technology Acceptance Model (TAM) method with aiming to describe user acceptance of variables perceived usefulness, perceived ease of use, computer self-efficacy, perceived credibility and behavioral intention. The type of this research is a quantitative research with data collection techniques is using questionnaires with a population is all users of Sistem Informasi Perencanaan dan Penganggaran. The sampling technique used is a total sampling technique with data analysis process using statistic descriptive technique. The result showed that variables perceived usefulness and behavioral intention is belong to the very high category, variables perceived ease of use and perceived credibility belong to the high category, and variabel of computer self-efficacy belong to the medium category. Recommendation given to each indicators that has a value below the average.
Evaluasi Kualitas Layanan Situs Web KKN Universitas Merdeka Pasuruan menggunakan Metode WebQual 4.0 dan Importance Performance Analysis (IPA) Goesti Sofi Indah Sari; Ismiarta Aknuranda; Satrio Hadi Wijoyo
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 5 (2019): Mei 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The Unmer Pasuruan KKN website is managed by the PD-MTI Unmer Pasuruan and is used for the KKN registration process as well as the media for channeling KKN information for semester 7 students. While using the site, students complain about the upload process that took so long, information that is not updated. In addition, this website has never been evaluated. From the problems that exist, the researcher assesses the need for an evaluation to measure the quality of service for the KKN website using the WebQual 4.0 method and Importance Performance Analysis (IPA) to determine the value of site attributes. This study used 22 questionnaires that adopted from WebQual 4.0. The results of the questionnaire will be analyzed using the IPA method which includes analysis of the level of conformity, gap level analysis and quadrant analysis by involving and not involving attribute number 17 namely "I feel safe to make transactions through this site", so that each calculation will produce two analyzes and discussions. The results of the suitability analysis obtained percentages of 94.92% and 94.69%, the results of the gap analysis were -0.258 and -0.269. The results of the IPA quadrant show 3 attributes in quadran I (Priorities for Improvement), 9 attributes in quadrant II (keep up the good work), 7 attributes in quadrant III (lowest priority) and 3 attributes in quadrant IV (possible overkill).
Analisis Sentimen pada Ulasan "Lazada" Berbahasa Indonesia Menggunakan BM25 dan K-Nearest Neighbor (K-NN) dengan Perbaikan Kata Menggunakan Jaro Winkler Distance Desy Wulandari; Indriati Indriati; Candra Dewi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 5 (2019): Mei 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Online shopping is one way that is currently in great demand by the public, especially in Indonesia. By shopping online, especially at Lazada stores, consumers don't need to spend a lot of time and energy. Because of the ease of technology that can now be used in shopping online. But to find out the quality of a product, consumers will see reviews of items that have been sold. Therefore with the number of consumers who write a lot of data collected so that a way is needed to be able to sort out positive or negative sentiments by doing word repairs because of the many word writing errors that we often encounter on a review. So it needs word repairs so that consumers can understand more clearly the contents of a review. In this study the researchers made the system using the Jaro Winkler Distance method which was used to improve the word and then performed scoring calculations with BM25, as well as the classification with K-Nearest Neighbor (KNN). Based on the test results get the best accuracy value of 89% with the value of F-Measure 88% in the second k-fold test with a value of k = 11. So the use of word normalization on training data and improvement of words in the test data can increase the results of sufficient accuracy better than without using word repairs and without normalizing training data.
Prediksi Harga Cabai Rawit di Kota Malang Menggunakan Algoritme Extreme Learning Machine (ELM) Galih Ariwanda; Imam Cholissodin; Tibyani Tibyani
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 6 (2019): Juni 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Cayenne is a commodity for food that cannot be separated from the daily needs of people in Indonesia. Cayenne for the people in Malang City is consumed to maintain metabolism and body temperature to keep warm and vitamin C which can help maintain the health of the human body. Prices of cayenne in Malang City always fluctuate changes every day. Fluctuation changes that make the price of cayenne are difficult to predict well. In addition, the prices given by traders are always varied, cayenne pepper is also one of the contributing commodities of inflation and prevents the difference in prices obtained by consumers and farmers so that they are not harmed by each other. Therefore, it is necessary to predict the price of cayenne in Malang so that consumers and the government can take preventive measures against the existing problems. The prediction process is divided into several process including pre-processing, normalization of data, predictions using the Extreme Learning Machine algorithm, and the results of errors with MAPE. Based on the results of testing using cayenne price data from January 1, 2017 to December 31, 2018 in Malang City, the smallest MAPE value was 2.087% with 2 features, the number of neurons in the hidden layer was 5, the percentage of training data and testing data 90%:10%, and the activation function is Binary Sigmoid.
Optimasi Penempatan Ruang Sidang Skripsi Menggunakan Algoritme Genetika Nelli Nur Rahma; Budi Darma Setiawan; Agus Wahyu Widodo
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 5 (2019): Mei 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The main problem that often happen in room placement final presentation for thesis in Computer Science Faculty is where lecturer examine more than one sessions continuously with different room which far away. Does not rarely in room placement, lecturer will placement in different building with far away in continuous sessions so raises final presentation for skripsi process will be late from initial scheduling because moving process. With the development of science and technology management, scheduling process should be done better. One of algoritm can use for recommendation of optimal final presentation for thesis is genetic algoritm where this algorithm can use for finished complex problems with many variable and result set of optimal solutions. In the formation of chromosome that used is permutation representation, the crossover process that used is one cut point crossover method, the mutation process that used is one random mutation method, the evaluation process with get fitness value each individual, the selection method that used is elitism. In the test result of room placement final presentation for thesis in one day obtained highest average fitness value is 1,000 in combination of cr 0,5 and mr 0,5, population size is 90, and generation size is 90. Room placement solution that use system can offer optimal scheduling with does not break the constraint at all.
Prediksi Penjualan Roti Menggunakan Metode Exponential Smoothing (Studi Kasus : Harum Bakery) Reyhan Dzickrillah Laksmana; Edy Santoso; Bayu Rahayudi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 5 (2019): Mei 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Bread is a very widely known in the community and the invention in its technology was also very rapidly growing. Bread has now become part of everyday life and become staple human food. The bakery industry is constantly evolving to make bread companies do a product innovation and the right sales strategy. That is becomes a challenge for Harum Bakery to get maximum profit and suffered no losses. The predictions in this research use Exponential Smoothing method. Exponential Smoothing is a method that continuously performs forecasting improvements by taking the average value of smoothing past values from time expanding data in exponential way. In this research, prediction were performed using three Exponential Smoothing method which is, Single Exponential Smoothing, Double Exponential Smoothing, and Triple Exponential Smoothing. This method was evaluated by calculating average error rate using Mean Absolute Percentage Error (MAPE) method. The smallest MAPE for Single Exponential Smoothing method when value of α parameter's is 0,1 with MAPE value 27,4039%, for Double Exponential Smoothing method when value of α parameter's is 0,1 with MAPE value 25,124% , and for Triple Exponential Smoothing method when value of α parameter's is 0,1, β parameters is 0,1 and γ parameters is 0,4 with MAPE value 25,303%. So the concluded is the Double Exponential Smoothing has better accuracy than Single Exponential Smoothing and Triple Exponential Smoothing on Bread Sales Prediction Case Study of Harum Bakery.
Implementasi Perangkat Internet Gateway Device Untuk Menghubungkan Infrastruktur IoT dan Aplikasi Cloud Menggunakan Narrowband Internet of Things (NB-IoT) Eric Ferdy Kurniawan; Eko Sakti Pramukantoro; Fariz Andri Bakhtiar
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 6 (2019): Juni 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

IoT architecture can be described with 4 parts, namely sensing, networks, middleware, and application. Generally part of the sensing and middleware are on the intranet, while the application was on the internet as a cloud-based. The condition of the Internet gateway device (IGD) acts as a part of the network architecture that is connecting the IoT middleware in the intranet and internet application in the cloud. IGD function takes the data from the middleware then forwarded to the application cloud. In this research, IGD based network of NB-IoT provide internet connectivity with smaller delay than previous research that uses IGD based network of GPRS. Two test scenarios conducted to measure the delay and throughput data delivery from IGD towards cloud application. In the first scenario, the received sensor data from middleware directly mailed toward the cloud, while the second scenario, the received sensor data from middleware collected and stored first in the JSON file during a span of certain then JSON file is sent towards the cloud. The first scenario test results showed that the mean average delay of 10 seconds and average throughput of 26000bps. Comparison of the test results between second scenario on this research and previous research looks significantly while sending data 2.5Mb data. In previous research, the delay resulted of the delivery 2574984 bytes data of 2818 seconds, while in this research were able to send 2648000 bytes with delay amounted to 22 seconds and average throughput of 97672.742bps.
Analisis dan Perancangan Sistem Informasi Pengarsipan Dokumen Dengan Pendekatan Berorientasi Objek (Studi Kasus : Dinas Sekretariat Dewan, Pemerintahan Kota Batu) Cindy Retno Dewati; Ismiarta Aknuranda; Widhy Hayuhardhika Nugraha Putra
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 5 (2019): Mei 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

This research analyzes and designs a Document Archiving Information System to deal with problems in document archive management that still uses manual methods and is not computerized which causes documents to be prone to damage or loss in the event of a disaster such as fire or flood at the House of Regional People's Representative Assembly Secretariat in Batu City. This information system is analyzed and designed using the Object Oriented Analysis and Design (OOAD) approach by conducting business process modeling, requirements analysis, system design, and evaluating the system using the Traceability method and prototype testing to system users. The results of this study are the current and proposed business process models, requirement analysis which includes 15 features, 12 functional requirements, 3 non-functional requirements, 1 actor, and 5 use cases. The results of this system design consist of system architecture, use case analysis, design elements, sequence diagram design, class design, database design, interface design and prototype design. The evaluation results using Traceability show that all requirements are properly defined and have a unique code so that each functional requirement and design can be tracked easily and the results of evaluation of prototype testing are the flow of all scenarios that are expected by the user, and the prototype is run in accordance on system use case specifications.
Perbaikan Antarmuka Aplikasi Jurnalisme Positif dengan menerapkan Metode Human Centered Design untuk Pengguna Golongan Tua (Studi Kasus: Times Indonesia) Atikah Febrianti Nastiti; Hanifah Muslimah Az-Zahra; Satrio Hadi Wijoyo
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 6 (2019): Juni 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Aplikasi Jurnalisme Positif (AJP) is an android mobile application that are used by journalist and general public from age 15 to over 50 years old to write news. As the owner of AJP, Times Indonesia aiming to give people a way to contribute in journalism according to fact in order to decrease the number of negative news through this application. However, there are some difficulty issued by people over age 50, or so called elderly, when they interact with this applications interface. The problems are those users are not able to complete task on some basic feature in this application, they tend to need longer times to finish it and they are not familiar with it. As a result, improvement of the interface to create better design for elderly are needed to increase AJP's usability. In this study, problems related with usability are solved with Human Centered Design (HCD) method. This research evaluates AJP by testing it's effectiveness, efficiency, satisfaction and learnability. The results of the evaluations founds 8 problems and 10 design solution. In addition after applying HCD method and familiarity aspect dimension symbolic and actionable in those design, effectiveness aspect increased from 77% which is below standard to 100%, efficiency aspect from 69,87% successful effective user to 100% and satisfaction aspect increased from 76,75% user satisfied to 91,8% user very satisfied. Learnability aspect are increased along with usability improvements.
Evaluasi Usability Situs Web Sistem Informasi Perencanaan Pembangunan Daerah (SIPPD) v3.0 menggunakan Metode Usability Testing (Studi Kasus : Bappelitbangda Kota Batu) Arinda Dewi Listikowati; Ismiarta Aknuranda; Andi Reza Perdanakusuma
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 5 (2019): Mei 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Sistem Informasi Perencanaan Pembangunan Daerah (SIPPD) v3.0 is an information system that used by Bappelitbangda (Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah) to support regional development planning activities. This information system was built to keep and ensure the achievement of integration, synchronization, and good synergy between government affairs. However, in its use there are indications of problems in understanding menu functions, different names on page titles and submenu links, system implementation that is still running 50%, and not all users understand the system. Based on the description above, it can be said that the problem is included in usability, so usability evaluation needs to be done using the usability testing method. The usability testing method is used to explore usability problems by testing the system on representative users and for measuring usability. Usability levels that measured are components of learnability, efficiency, errors, and satisfaction. To find out the level of satisfaction in accessing the system, it was measured by using the System Usability Scale (SUS) questionnaire. Then for the improvement of the interface design made by referring to the Human Health Service (HHS). Tests in this study were carried out twice, namely the initial test before repairs and further testing was carried out after being given recommendations for improvements in the form of a prototype. The results obtained from the calculation of usability level on further testing experienced an increase in the components of learnability, efficiency, and satisfaction, while the error component decreased.

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