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All Journal Jurnal EECCIS Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Indonesian Journal of Electrical Engineering and Computer Science
Tri Astoto Kurniawan
Brawijaya University
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering

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Pengembangan Sistem Rekomendasi Investasi Saham berbasis Web (Studi Kasus: Reliance Sekuritas Malang) Vicky Melinda Tanto; Tri Astoto Kurniawan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 6 No 6 (2022): Juni 2022
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Stock investment recommendation is an activity of giving rating to stocks to determine whether the stocks are worth buying, holding, or selling. Stock investment recommendation is needed so that investors can invest with better considerations to their stock selection, and reduce risk of large financial losses. Stock investment recommendation are obtained by purchasing professional investment analyst services provided by securities companies. Reliance Securities Malang is a securities company that provides professional investment analyst services. The stock investment recommendation process is done by meeting in person, or online using a message exchange application, WhatsApp. One of the problems with the stock investment recommendation process is that the length of time required to produce an analysis is relatively lengthy, and by the time the analysis was given it may not apply to the latest stock price. A web-based stock recommendation system was developed to help with these problems. The system was developed using the waterfall model with an object-oriented approach. The system was implemented using several technologies: Typescript as the main development language, Express.js as the back-end framework, React.js as the front-end framework, and PostgreSQL as the database management system. The research resulted in analysis and specification of system requirements, design, system implementation and system testing results. The system is expected to be able to assist investors in their investment activities, as a consideration in selecting stocks
Pengembangan Sistem Layanan Laundry berbasis Web (Studi Kasus: IIS Laundry Malang) Alfin Martin Manurung; Tri Astoto Kurniawan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 6 No 9 (2022): September 2022
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

IIS Laundry is a laundry service in Malang City that still using manual system for ordering and managing order data. The order data that managed manually caused lost and exchanged clothes due to unclear handwriting on the invoice and IIS Laundry can be sued for the compensation. Manual archiving also carried the risk of losing data on orders that have been placed previously. Web-based laundry system is a solution to solve those problems for IIS Laundry.The system will solve the problems by making an online order that provides choice of services and clothes with an integrated invoice beetween the customer and IIS Laundry. Development of the system was carried out using waterfall software development model and object oriented approach. System was built using PHP programming language and MySQL as database management system. System has been tested using unit, integration, and validation testing strategy. Unit and integration testing have been done using white-box testing technique and validation testing has been done using black-box testing technique. The developed system from this research is expected to be able to help IIS Laundry in order to solve their problem..
Pengembangan Sistem Manajemen Kartu Rencana Studi (KRS) berbasis Web (Studi Kasus: Sekolah Tinggi Teologi Tawangmangu) Jovita Nathania Tunliu; Tri Astoto Kurniawan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 6 No 10 (2022): Oktober 2022
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The activity of writing a Course Selection Sheet (KRS) is one of the academic activities routinely carried out by the Sekolah Tinggi Teologi Tawangmangu. The purpose of writing KRS is to find out which students are active in the semester that will be implemented and what courses will be taken. In the implementation of KRS writing, Sekolah Tinggi Teologi Tawangmangu still uses the manual method, namely students write on the paper that has been provided and submit it to the academic. Manually writing KRS often causes problems such as delays in submitting KRS, damage to KRS sheets, unclear writing and or mistakes by academics in recapitulating data in Microsoft Excel applications. The web-based KRS management system is a solution to overcome problems in the implementation of KRS writing at Sekolah Tinggi Teologi Tawangmangu. System development is carried out using the Waterfall development model and object oriented approach. The system is built using PHP programming language with Codeigniter framework and MySQL as a database management system. The KRS management system was tested using unit testing, integration and validation strategies. Unit and integration testing is carried out using white-box testing techniques and validation testing is carried out using black box testing techniques. White-box testing was carried out on 6 sample methods and resulted valid status for all samples. Black-box testing was carried out on 28 functional systems and resulted valid status for all functionalities.
An ontology-based knowledge representation using OWL for Indonesian local regulations Tri Astoto Kurniawan; Rachmad Safa’at; Nurudin Santoso; Muhammad Farabi Ismail
Indonesian Journal of Electrical Engineering and Computer Science Vol 34, No 2: May 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v34.i2.pp983-990

Abstract

Inconsistencies in legislation can significantly hinder the effectiveness and efficiency of the central and local government administrations. The Indonesian government requires standard harmonization of each piece of legislation to prevent such problems. However, this process is often manual and requires the involvement of multiple experts with varying backgrounds. This leads to high resource expenses regarding human resources, cost, and time. To address this, a software system should be developed to detect potential disharmony among legislation. However, the system requires a well-constructed legislation conceptual model represented in an appropriate modeling language. This research aims to develop the Indonesian local regulation ontology in web ontology language (OWL), where no such ontology exists. The ontology was created using the Ontology Development 101 methodology and evaluated using competency questions and expert judgment approaches. The resulting ontology becomes a basis for developing an automatic recommendation system to detect potentially inconsistent legislation in future works.
Co-Authors Adam Hendra Brata Aditya Bayu Wardhana Agasi Putra Septiyanto Agi Putra Kharisma Alfin Martin Manurung Ananda Priatama Anggi Wiyani Putri Nasution Annisa Fitriani Nur Arkaan Nurul Iman Avreghly Barra Al-Ilman Bayu Rahayudi Dainty Resfulany Susanto Dalla Dirosa Denny Sagita Rusdianto Dini Indah Nurul Rizki Pancawati Raharjo Faizatul Amalia Hegi Restu Alegretto Helman Taufiqurrahman Ilham Tubagus Arfian Jovita Nathania Tunliu Maurendra Retawan Waluyo Muhammad Al Anis Faishal Muhammad Farabi Ismail Muhammad Rezky Sayuthi Putra Muhammad Sodiq Nur Lia Afriza Nurudin Santoso Nurudin Santoso Rachmad Safa’at Savira Sulistyo Silvia Ajrini Siti Nur Wahidah Abroriyah Syehka Sofia Arya Larasati Timothy Nataniel Magat Timoti Agape Siahaan Tri Purwanti Umi Hanik Pratiwi Vicky Melinda Tanto Wahyudi Wahyudi Willy Christian Putra