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INDONESIA
Indonesian Journal of Information System
Published by Universitas Atma Jaya Yogyakarta
ISSN : 26230119     EISSN : 26232308     DOI : -
Core Subject : Science,
Computer Science & IT
Arjuna Subject : -
Articles 192 Documents
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Eksplorasi Teori Gratifikasi untuk Layanan Jejaring Sosial: Studi Kasus Sikap Pengguna terhadap Instagram di Indonesia Tri Lathif Mardi Suryanto; Hidayatul Aini Puteri; Arista Pratama
Indonesian Journal of Information Systems Vol. 1 No. 2 (2019): Februari 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v1i2.1922

Abstract

Instagram merupakan Social Network Service (SNS) yang populer di kalangan pengguna smartphone. Fakta ini didukung oleh hasil survei dalam laporan yang berjudul “Digital In 2018 In Southeast Asia” yang dihimpun oleh We Are Social, perusahaan media asal Inggris yang bekerja sama dengan Hootsuite. Hasil survei tersebut menyebutkan bahwa Instagram menempati peringkat ketiga aplikasi yang paling banyak diunduh pada tahun 2018. Menyoroti respon pengguna smartphone yang begitu besar terhadap Instagram, maka dalam penelitian ini dilakukan eksplorasi faktor penerimaan sikap pengguna terhadap Instagram di Indonesia dengan menggunakan Teori Uses And Gratification (UGT). Pemenuhan penerimaan Instagram dibagi menjadi Cognitive, Hedonic, Integrative, dan Social Integrative. Dalam penelitian ini dikumpulkan tanggapan dari 400 pengguna Instagram di Indonesia. Data yang diperoleh diolah dan dianalisis dengan menggunakan Metode Structural Equation Modelling (SEM) dan perangkat lunak WarpPLS 6.0. Dari penelitian ini diperoleh dua temuan. Pertama, sikap pemuasan pengguna terhadap Instagram dipengaruhi oleh Cognitive, Hedonic, dan Social Interactive. Kedua, Sosial Interactive Gratification merupakan faktor yang dapat meningkatkan Cognitive Gratification, Hedonic Gratification, dan Integrative Gratification.
Application of Color and Size Measurement in Food Products Inspection Joko Siswantoro
Indonesian Journal of Information Systems Vol. 1 No. 2 (2019): Februari 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v1i2.1923

Abstract

Color and size are external aspects considered by consumers in purchasing a food product and are used in food product inspection using computer vision. This paper reviews recent applications of color and size measurement in food product inspection using computer vision. RGB, HSI, HSL, HSV, La*b spaces and color index are widely used to measure color in food product inspection. Color features, including value, mean, variance, and standard deviation of each channel in a color space are widely used in food product inspection. The applications of color measurement in food product inspection are for grading, detection of anomaly or damage, detection of specific content and evaluation of color changes. Length, width, thickness, average radius, Feret’s diameter, area, perimeter, volume, and surface area are common size measurements in food product inspection. The applications of size measurement in food product inspection are for estimating size, sorting, grading, detect unwanted objects or defects, and measurement of physical properties.
Analisis Kualitas Citra Hasil Reduksi Noise Menggunakan Spatial Median Filter dan Adaptive Fuzzy Filter Terhadap Variasi Kedalaman Citra Irpan Adiputra Pardosi; Ali Akbar Lubis
Indonesian Journal of Information Systems Vol. 1 No. 2 (2019): Februari 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v1i2.1939

Abstract

Algoritma reduksi noise salt pada citra mampu mengurangi sebagian atau keseluruhan noise, tapi berdampak pada keragaman informasi dan kualitas citra. Persentase noise yang lebih besar juga membuat perubahan yang besar pada citra, namun hasilnya dapat berbeda untuk citra dengan kedalaman bit yang berbeda-beda. Kemampuan algoritma reduksi noise mampu bekerja maksimal untuk noise di bawah 20%. Penelitian terdahulu mengenai proses reduksi noise citra diantaranya menggunakan algoritma Adaptive Fuzzy Filter (AFF) dan Spatial Median Filter (SMF) yang mampu menghilangkan noise. Keduanya mampu mereduksi noise dengan hasil maksimal di bawah 45% pada citra 8 bit, namun menyisakan beberapa noise. Oleh karena itu, perlu dikaji kinerja algoritma dan dampaknya terhadap citra dengan noise yang lebih besar. Penelitian ini khusus mengatasi noise jenis salt and pepper dengan persentase noise di atas 45% pada citra warna bitmap. Selain itu, penelitian ini menganalisis citra hasil mulai dari kualitas citra dan keragaman informasi setelah proses reduksi noise dengan menggunakan Algoritma SMF dan AFF. Dari hasil pengujian citra untuk persentase noise salt 45%, 55%, 65%, dan 75% pada kedalaman citra 8, 16, dan 24 bit, dapat disimpulkan bahwa Algoritma AFF lebih baik dibandingkan SMF mengacu pada nilai Peak Signal to Noise Ratio (PSNR), sebaliknya algoritma SMF lebih baik untuk keragaman informasi, mengacu pada nilai shannon entropy. Kedua hal ini berlaku untuk semua variasi kedalaman citra warna.
Developing “Leadership Intelligence (CI2) Framework” Inside Social Media to Develop An Ethical Leader using the Johari Window Method Indra Gamayanto; Henry Christian; Sasono Wibowo; De Rosal Ignatius Moses Setiadi; Devi Purnamasari; Titien S sukamto
Indonesian Journal of Information Systems Vol. 1 No. 2 (2019): Februari 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v1i2.1948

Abstract

At this time, leadership and social media are two things that cannot be separated. Social media becomes an information technology media for leaders to be able to communicate about their vision and purpose. Therefore, leaders must be able to use social media effectively in order to influence the community with what they think. There are three problems caused by leaders in social media which are classified into three types such as narcissistic, compulsive and paranoid. These three things become big problems in leadership on social media and therefore, we need the formula to solve the problems. The Johari Window method is a method that has four perspectives in developing four leadership classifications such as open leaders, blind leaders, hidden leadership, and unknown leaders. If these three types and four classifications are put together, a framework will be produced called "Leadership Intelligence (CI2) Framework", the next one will produce a formula S = W.L2, where this formula will produce wise leaders on social media. This journal is the development of the journal Developing "Framework Intelligence (CI3)" Inside Social Media Using Johari Window Methods and The Development and Implementation of Wise Netizen (E-Comment) In Indonesia. As a result, this journal will give an answer and solve the problem of an ethical leader on social media and how to decrease a hoax that can affect the leader on social media. This research will continue until it produces a CI1 formula that will combine culture and leadership into a social media formula in generating positive communication, creating a positive culture and making a big impact on society.
Customer Acceptance Analysis of Customer Relationship Management (CRM) Systems in Automotive Company using Technology Acceptance Model (TAM) 2 Stephano Caesar Wenston Ngangi; Albertus Joko Santoso
Indonesian Journal of Information Systems Vol. 1 No. 2 (2019): Februari 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v1i2.1993

Abstract

The technological era in business competition requires creativity and innovation to create a successful company. CRM (Customer Relationship Management) is a system that aims, among others, to provide improving relations between the company and customers, so that the realization of integrated information is used to produce optimal services and obtain useful customer information so that customer needs can be met and encouraged to loyalty. In addition, CRM can be useful to improve efficiency and reduce operational costs of PT. Hasjrat Abadi (Tendean Branch). To support the success of PT. Hasjrat Abadi (Tendean Branch), this study will examine a CRM system to be applied to PT. Hasjrat Abadi (Tendean Branch) by integrating it into the Technology Acceptance Model (TAM) as a model that can be analyzed and understood so that later it can influence customers in the use of technology as an information system by using informational system variables. In this research, user acceptance has been reviewed based on 4 variables in TAM itself. PT. Hasjrat Abadi (Tendean Branch) has a problem where there is still a lack of customer demand for TOYOTA products. Therefore, the implementation of the TAM system for CRM will be pursued so that it can identify the customers of PT. Hasjrat Abadi (Tendean Branch) Manado who want to buy products from PT Hasjrat Abadi (Tendean Branch) Manado, and increase the selling value of the product.
Push Pull Mooring dan Pyschological Ownership terhadap Perilaku Beralih Pengguna Instant Messaging Vicky Djusmin; Raden Teduh Dirgahayu
Indonesian Journal of Information Systems Vol. 2 No. 1 (2019): Agustus 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v2i1.2013

Abstract

Hasil survei tentang perilaku pengguna Mobile Instant Messaging (MIM) di Indonesia menjelaskan bahwa terjadi arus migrasi pengguna MIM. Perilaku beralih mengakibatkan penurunan pengguna dan profitabilitas layanan pada MIM yang ditinggalkan. Untuk itu diperlukan sebuah pemahaman tentang faktor-faktor yang mempengaruhi individu yang beralih. Penelitian ini bertujuan untuk mengetahui efek pendorong, penarik, serta penambat terhadap niat dan perilaku beralih pengguna MIM. Kepemilikan psikologis sebagai anteseden yang mempengaruhi faktor penghambat. Dalam penelitian ini, Push Pull Mooring digunakan sebagai kerangka untuk mengevaluasi hubungan variabel. Pengujian menggunakan Structural Equation Modelling jenis PLS (SEM-PLS). Hasil penelitian menjelaskan bahwa Dissatisfaction terbukti mendorong individu untuk beralih MIM sedangkan Low System Quality bukan faktor pendorong beralih MIM. Alternative Attractiveness dan Subjective Norm terbukti sebagai penarik pada MIM alternatif. Commitment Affective yang sebelumnya diyakini sebagai faktor penambat beralih, tidak terbukti. Hasil evaluasi ini dapat menjadi acuan penyedia layanan MIM dalam mengembangkan fungsionalitas layanan sebagai upaya mempertahankan pengguna serta menarik pengguna baru.
The Effect of Internet Slack on Learning Performance Ignatius Novianto Hariwibowo
Indonesian Journal of Information Systems Vol. 2 No. 1 (2019): Agustus 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v2i1.2142

Abstract

In the midst of the widespread application of the internet in learning activities, this research was conducted to assess the impact of internet abuse on classroom learning outcomes. Published research shows the impact of diverse internet uses and this study aims to show the consequences of internet abuse on learning outcomes. This research was conducted on accounting class students with a hybrid learning system, where learning is done face-to-face in class but is supported by e-learning technology. The respondents of this study were 224 accounting students. Data were taken using questionnaires and 216 questionnaires were processed using SEM-PLS. The results of this study indicate that internet abuse does not moderate the influence of interaction and social presence on classroom learning performance. These findings indicate that internet abuse is not a factor that decreases student learning performance and can be an input for the design of e-learning concepts to use the internet as an interactive learning media where activities can still be controlled.
Parents’ Sum of Salaries Analyses towards School Tuition Fee Arrears Potential with Decision Tree Method Iqbal Dzulfiqar Iskandar
Indonesian Journal of Information Systems Vol. 2 No. 1 (2019): Agustus 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v2i1.2168

Abstract

School tuition fee is typically used for funding school operational, i.e. paying honorary teachers in public and private schools, purchasing practical instruments, printing examination worksheets, and other net-operational costs. According to the discovered data in the research environment, the funding is unable to be acquired properly due to students’ school tuition fees arrears for months even years until they graduate. Considering the condition, this research is conducted to identify the potential of students’ school tuition arrears, based on the sum of their parents’ salaries centered on the business intelligence approach, using the decision tree method. The analysis results show that, students whose parents’ income is less than Rp 672.500,00 will be potentially in arrears with school tuition more than  Rp 900.000,00 each month, while students whose parents’ income is above Rp 672.500,00 are potentially in arrears of less than Rp 900.000,00 or not in arrears. To evaluate the effectiveness of the decision tree algorithm for data processing, it has an accuracy value of 95.97%, with a precision of 94.96% that means the algorithm has a good correlation based on attributes and the data that have been processed by the algorithm.
Medicine Inventory Grouping using Clustering Data Mining Joanna Ardhyanti Mita Nugraha
Indonesian Journal of Information Systems Vol. 2 No. 1 (2019): Agustus 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v2i1.2340

Abstract

One of the main factors in health services is adequate medicine supplies. Puskesmas is one of the health services that is managed under the district and city health offices to serve patients every day. However, there are obstacles in the process of medicine supply at the Puskesmas. Puskesmas still uses medicine supply techniques manually by looking at the minimum medicine stock. In this way, many medicines are unused and even lacking. The application of data mining can be used as an analysis to determine the medicine supply according to the patient's needs. In the data mining method, the clustering algorithm is one of the most popular to use where the data belonging to the same cluster will be close to each other and will be far from the data about another cluster. For this reason, this study used clustering to classify types of medicines based on the number of medicine uses and requests. The results are obtained in the form of information on the type of medicine with rapid use and model of m with extended usage every month taken from three years of data. Also, information on the types of medicines from the clustering process can be used to improve better patient service.
Planning of Higher Education Information Technology Strategy Using TOGAF (A Case Study at AMN Cilacap) Oktavianus Teguh Prayitno
Indonesian Journal of Information Systems Vol. 2 No. 1 (2019): Agustus 2019
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v2i1.2349

Abstract

Information technology that develops along with the rapid role of communication through the Internet makes technology and information systems have a position that is vital for the business alignment of an institution including higher education institutions. The strategic planning of this sector has a goal to develop the basis / guidelines in developing and developing information technology and systems to support organizational goals and increase increasingly competitive competitive advantage. Thus, the integration between business and information technology becomes important to support the competitiveness of institutions. The responsibility of Enterprise Architecture (EA) is to provide an accurate and fast information system based on the business demands of the institution. Appropriate standards and models are needed by higher education institutions to improve the alignment of business strategies and information technology. This study will explore the problems faced by AMN Cilacap and provide the development of information technology and systems needed to use EA using the Open Group Architecture Framework (TOGAF) methodology. TOGAF provides methods and tools to assist in the receipt, production, use and maintenance of corporate architecture.

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