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Yopi Nugraha
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INDONESIA
RISTEC : Research in Information Systems and Technology
Published by Institut Pendidikan Indonesia Garut
ISSN : -     EISSN : 27984362     DOI : https://doi.org/10.31980/ristec.v3i2
Core Subject : Science,
Computer Science & IT
Research in Information Systems and Technology aims to provide scientific literatures specifically on studies of applied research in Information Systems, Information Technology nd public review of the development of theory, method and applied sciences related to the subject. The journal not only facilitates local researchers but also international researchers to publish their works exclusively in English.
Arjuna Subject : Ilmu Komputer (semua kategori) - Sistem Informasi
Articles 133 Documents
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Sentiment Analysis of Police Performance On Twitter Users Using Naïve Bayes Method hidayatullah, Muhammad; Alam, Syariful; Jaelani, Irsan
RISTEC : Research in Information Systems and Technology Vol. 2 No. 2 (2021): JURNAL RISTEC : Research in Information Systems and Technology
Publisher : RISTEC : Research in Information Systems and Technology

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Abstract

After the case of alleged child rape in East Luwu which was stopped went viral in the aftermath of many other cases of sexual violence that were considered by the police to be inconsistent with procedures. After the hashtag #PercumaLaorPolisi appeared #PolriSesuaiProsedur hashtag became a trending topic on Twitter. This study discusses the sentiment of police performance on twitter users, aiming to measure how much sentiment the performance of the police according to twitter citizens who earned. The topic of this study is a mining text that uses the naïve bayes method. Text mining is a computer-based algorithmic technique/approach to gaining new knowledge hidden from a set of texts. The data from crwalling on twitter were analyzed using naive bayes which is a method for analyzing. Naive Bayes' algorithm is very effective in classification or classification problems. This algorithm works based on existing probabilities to determine the probability of the future. The steps in the Naïve Bayes method are preprocessing which includes transformation, tokenization and filtering processes. It is followed by the weighting of words such as TF-IDF and ends with classificationand evaluation. As a result of this study, according to tweet data processed using the orange application and confusion matrix calculations, the police performance sentiment entered the neutral classification of 75.8%, negative 58.1% and positive 39.5% in the last order, as well as the resulting model at an accuracy value of 0.929, precision 0.933, recall 0.923, and f-measure0.954
Design And Develop A Mobile-Based Tour Guide Application In Purwakarta City Nuraprian, Nina; Defriani, Meriska; Singasatia, Dayan
RISTEC : Research in Information Systems and Technology Vol. 2 No. 2 (2021): JURNAL RISTEC : Research in Information Systems and Technology
Publisher : RISTEC : Research in Information Systems and Technology

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Abstract

Abstract Puwrakarta City is one the regencies in West Java that is currently developing. Purwakarta city is located in a geographical area thatis rich in natural attraction, culinary tourism, and cultural tourism so that the city of Purwakarta become a tourist attractio, but not all tourist attractions in the city of purwakarta are know by local tourists and tourists outside the srea who want to visit and the lack of information anda there are many remote areas which are very unfortunate to miss its tourist attraction. Therefore, a mobile-based tourism application was made to make it easier for tourists to find tours. This software development uses the waterfall method to the dev stage, software modeling uses the Unified modeling Language (UML) modeling which consists of 4 stage, namely use case diagrams, activity diagrams, sequence diagrams, and class diagrams, with programming language using Dart, Firebase database, and using Flutter. This research produces a mobile-based application that has information about natural tourism, culinary tourism, and cultural tourism to that it can be used to disseminate between locak tourists and tourists outside the area in Purwakarta City.
Enterprise Architecture Planning for College Information Systems using the TOGAF-ADM Framework and ISO 27001 Hilman, Anwar; Rahayu, Dinar; Susanto, Benny
RISTEC : Research in Information Systems and Technology Vol. 3 No. 1 (2022): JURNAL RISTEC : Research in Information Systems and Technology
Publisher : RISTEC : Research in Information Systems and Technology

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Abstract

The planning for the development of Information Systems and Technologyis carried out with themain goal of realizing the Vision and Mission of Higher Education. The Information System design frameworkused is TOGAF (The Open Group Architecture Framework) - ADM (Architecture Development Methode), in that frameworkconsistsof several steps of implementing a representative architectural design to beused in architectural design at the Toyota Indonesia Community Academy which focuseson Business, Data, Applications and Technology. For the information system security management system, TOGAF-ADM can collaboratewith ISO 27001:2013, wherewhen we plan the development of the enterprise information system architecture for universities, we must also focus on information system security in accordance with the information system security system contained in the ISO 27001 :2013. By using a combination framework between TOGAF-ADMand ISO 27001, it is very appropriate to be used as a method for planning Enterprise Architecture in Higher Education that prioritizes business, applicationsand technologyand adopts an information security management system from ISO 27001.
Twitter User Sentiment Analysis Of TIX ID Applications Using Support Vector Machine Algorithm Nabillah, Asyfah; Alam, Syariful; Gito Resmi, Mochzen
RISTEC : Research in Information Systems and Technology Vol. 3 No. 1 (2022): JURNAL RISTEC : Research in Information Systems and Technology
Publisher : RISTEC : Research in Information Systems and Technology

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Abstract

The cinema is a place to watch movies using the big screen. Various comments on the TIX ID application service can be used to reference the company's evaluation material in assessing the level of service quality that has been provided, so that later the TIX ID application can be used optimally by application users and the company, as for the purpose of this study to find out responses and find out the sentiment analysis stage on twitter social media using the vector machine support algorithm for the TIX ID application. This algorithm is commonly used for text mining by going through the data collection stage, cleaning and labelling data stage, training and testing data sharing stage with 3 comparison scenarios, namely 70:30, 80:20, and 90:10 using 3 kernels, namely dot, radial, and polynomial, then through the text preprocessing stage, the TF-IDF word weighting stage, the data modeling stage, and the evaluation stage. The preprocessing stage consists of transform case, tokenize, and stopwords filters. The result of this study is that the support vector machine algorithm has an accuracy value of 74.17%. The research concludes that the support vector machine algorithm with a ratio of 80:20 training and testing data ratio scenario produces the highest accuracy.
User Interface and User Experience Design of Sales Application Mobile Using User Method Centered Design On CV. MK Sejahtera Restu Djunaedi, Rifqi; Defriani, Meriska; Rafi Muttaqien, Muhammad
RISTEC : Research in Information Systems and Technology Vol. 3 No. 1 (2022): JURNAL RISTEC : Research in Information Systems and Technology
Publisher : RISTEC : Research in Information Systems and Technology

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Abstract

Applications are software that are often found in everyday life in this digital era, especially mobile-based applications because mobile devices are almost owned and accessed by various groups at any time. The thing that needs to be considered in a mobile application is the appearance of the user interface or interface because it becomes a bridge between the user and the system used. The design of this interface is designed using the user centered design method in which there are 4 steps in the stages, namely specify the context of use, specify user and organizational requirements, produce design solutions and evaluate design. This application prototype design was designed using the figma application with features such as chat, item search, favorites, order tracking and baskets, as well as for testing 30 respondents using the use questionnaire method with calculations using a Likert scale. with the results of the usability value reaching 82.7%, it shows that the MK Mobile application is very suitable for use by customers to be used as a means of transactions on CV MK Sejahtera.
Implementation of the Multy Attribte Utily Theory Method in the Decision Support System for Determining Smart Indonesia Program Assistance (PIP) at SDN 4 Cisalada Nur Yani, Fitry; Gito Resmi, Mochzen; Alam, Syariful
RISTEC : Research in Information Systems and Technology Vol. 3 No. 1 (2022): JURNAL RISTEC : Research in Information Systems and Technology
Publisher : RISTEC : Research in Information Systems and Technology

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Abstract

The Smart Indonesia Program (PIP) is one of the government's programs as Poor Student Assistance (BSM). The government program is in the form of cash assistance given to children aged 6-21 years who are still in the world of education. Currently, pip selection at SDN 4 Cisalada from the school is less targeted to have problems in determining potential beneficiaries of assistance where not all students who come from poor families can receive the Smart Indonesia Program (PIP). for this resulting in the injustice of students who should be entitled to PIP funding assistance. To avoid existing problems for the selection of prospective recipients of the Smart Indonesia Program (PIP) requires a Decision Support System (SPK). The Multi Attribute Utility Theory (MAUT) method is a quantitative comparison method that usually combines measurements of different risk and profit costs. Design and Build using the Waterfall method in the process of working on it, the design is made using a flowmap and modeling using Unified Model Language (UML) including Use Case Diagrams, Activity Diagrams, Sequence Diagrams and Class Diagrams. As for programming, it uses PHP and the database uses MySQL. The results of the research that has been carried out by the researcher, it can be concluded by the application of the Decision Support System in determining the determination of PIP assistance in schools using the Multy Attribute Utility Theory (MAUT) method, for the school can be more objective in assessing the determination of PIP recipients, so as to minimize the risk of misuse and distribution of PIP funds to students not appropriately receiving them. Which is in the nature of providing recommendations for decisions to the school.
Quality Analysis Using WebQual Method and Importance Performance Analysis (IPA) Case Study on Learning Management System (LMS) Indonesian Institute of Education (IPI) Garut Nugraha, Yopi
RISTEC : Research in Information Systems and Technology Vol. 3 No. 1 (2022): JURNAL RISTEC : Research in Information Systems and Technology
Publisher : RISTEC : Research in Information Systems and Technology

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Abstract

With the development of technology, there are also tools to help humans complete all work. For example, what students do in supporting lecture activities. Looking for references to increaseknowledge of a course, see lecture tutorials and many others. Technology in learning activities that has been known is the use of a Learning Management System (LMS) which can make lecture activities via online or commonly called e-learning. Especially in the present era of the pandemic and the spread of the covid-19 virus, people are not allowed to leave the house let alone go to school, but learning cannot be abandoned so that e-learning activities cannot be avoided. The quality of the useof media for learning can affect thequality of learning as well, whether it can be a barrier to learning or on the contrary, it can actually be the main supporter in achieving achievement. Therefore, in this study, we will analyze the quality of the Learning Management System (LMS), especially those used bystudents at the Indonesian Institute of Education (IPI) Garut with the WebQual method by assessing a product or website based on user perceptions and Importance Performance Analysis (IPA) based on analysis. the quadrant. The results obtained are that the quality of the Learning Management System (LMS) has not been said to be good becausethere are many points that still need to be improved, such as information that is not up to date, easeof use and the most prominent can be seen from the monotonous appearance so that it can be used as material. evaluation to be able to reconstruct the design, update information and streamline the use of the Learning Management System (LMS) Indonesian Institute of Education (IPI) Garut.
Development (Frontend) of the Mobile-based Beliin Yuks Application using the Flutter Framework Nugraha, Yopi; Nadiroti Muslihah, Neni; Shantika Sary, Yulia; Herman , Sukrina
RISTEC : Research in Information Systems and Technology Vol. 3 No. 1 (2022): JURNAL RISTEC : Research in Information Systems and Technology
Publisher : RISTEC : Research in Information Systems and Technology

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Abstract

Field Work Practice is a means to actualize oneself on skills or abilities, both soft skills and hard skills that have been obtained during lectures and are applied in a company or agency for several months. In this Field Work Practice report, several activities are presented during the Field Work Practice, problems or obstacles and suggestions and suggestions to improve performance and progress at CV Sumringah Metik Solusi for 3 months, starting from September 27, 202 to December 31, 2021. Placement of Practice Field Work at Cv Sumringah Metik Solusi located on Jl. Tasik-Bandung Km 52, Sasak Besi Perum Puri Kulsum Blok R No. 10 Blubur Limbangan, Garut, 44186. While carrying out the Field Work Practice, they are placed in the Programming section, while the activities or tasks carried out during street vendors include making a frontend for a mobile application needed by consumers and making a backend for the application.
System Usability Sclae Aplikasi Kitabisa Dengan Evaluasi Metode Design Thinking Chandra Irawan , Dionisius; Gito Resmi, Mochzen; Muhammad Husni Tamyiz, Uus
RISTEC : Research in Information Systems and Technology Vol. 3 No. 1 (2022): JURNAL RISTEC : Research in Information Systems and Technology
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Abstract

In the rapid development of technology, many people, especially in Indonesia, many things change when technology is increasingly updated and makes users feel comfortable. People use Kitabisa to donate or raise funds for various purposes. Some focus on medical purposes, but actually there are many other categories. SUS testing is efficient and the data produced is reliable. Redesign means updating an item that already exists but is less efficient to use. Design Thinking is the collection of human needs that allow them to be fulfilled technologically and efficiently. The SUS test got a result of 59.6 with the Redesign stage then carried out with the intent and purpose of overcoming the problems that occur at this time. then the Kitabisa application gets an increase in value from the previous 59.6 to 73 then the results of thistest have increased so that it can be said to be getting better than before.
Development (Frontend) of the Mobile-based Beliin Yuks Application using the Flutter Framework Nugraha, Yopi; Nadiroti Muslihah, Neni; Shantika Sari, Yulias; Herman , Sukrina
RISTEC : Research in Information Systems and Technology Vol. 3 No. 1 (2022): JURNAL RISTEC : Research in Information Systems and Technology
Publisher : RISTEC : Research in Information Systems and Technology

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Abstract

: Field Work Practice is a means to actualize oneself on skills or abilities, both soft skills and hard skills that have been obtained during lectures and are applied in a company or agency for several months. In this Field Work Practice report, several activities are presented during the Field Work Practice, problems or obstacles and suggestions and suggestions to improve performance and progress at CV Sumringah Metik Solusi for 3 months, starting from September 27, 202 to December 31, 2021. Placement of Practice Field Work at Cv Sumringah Metik Solusi located on Jl. Tasik-Bandung Km 52, Sasak Besi Perum Puri Kulsum Blok R No. 10 Blubur Limbangan, Garut, 44186. While carrying out the Field Work Practice, they are placed in the Programming section, while the activities or tasks carried out during street vendors include making a frontend for a mobile application needed by consumers and making a backend for the application.

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