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All Journal KUMARA CENDEKIA Information System Abdimas Mimbar Sekolah Dasar Proceeding of International Conference on Teacher Training and Education IJIE (Indonesian Journal of Informatics Education) JURNAL INDRIA (Jurnal Ilmiah Pendidikan Prasekolah dan Sekolah Awal) Journal of Informatics and Vocational Education Journal of Marine-Earth Science and Technology

Yudianto Sujana

Universitas Sebelas Maret

Author-ID : 389776

Arts Humanities Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Social Sciences Other

Published : 38 Documents Claim Missing Document

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Articles

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Information System of International Conference Management Based on Web Ahmad Sidiq; Yudianto Sujana; Aris Budianto
Journal of Informatics and Vocational Education Vol 1, No 1 (2018): Journal of Informatics and Vocational Education
Publisher : Pendidikan Teknik Informatika dan Komputer, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/joive.v1i1.35714

Technological advances can be utilized to make information dissemination faster and more efficient. One example of the use of technology as a medium of information and management in the implementation of the conference is an information management system based on WEB. Based on the observations that have been conducted, found various problems, among others for the preparation of activity data reports, data participants, and so forth, actually already utilizing information technology, but still less effective. So many weaknesses that appear like; less effective and efficient in data processing, the time required for the preparation of reports long enough and the risk of error becomes large. Then from the side of presence also still printed manually. In addition, all the participants who register will be placed certificates, although the participants are not present in the conference, this happens because of the organizers difficult to sort out which participants are present and not present. In this article presented the feasibility test results of the conference management information system developed. Testing is performed on system experts, substance experts, and users. Expert testing system using the instrument referring to ISO 9126 get 93% percentage. Expert testing of substance using instrument referring to ISO 9126 get 86% percentage. While testing of users using the instruments that refer to ISO 9126 aspects of functionality gets an average percentage of 88.2%.

Feasibility Study of Web-Based Internship’s Information System Based on ISO 1926 Standard Nurul Lailani Alifah; Endar Suprih Wihidayat; Yudianto Sujana
IJIE (Indonesian Journal of Informatics Education) Vol 3, No 1 (2019): IJIE (Indonesian Journal of Informatics Education)
Publisher : Universitas Sebelas Maret

At this globalization era, unlimited accessible information across the overseas, increasing competition for getting a job. This condition affected a university student to enhance their skills to keep competitive. One method to improve is conducting an internship program (PI) at industrial companies. Thus, to implement and monitor the program, Informatics and Computer Engineering for Education Department (PTIK) at Universitas Sebelas Maret was used a web-based information system. This research aims to conduct and analyze a feasibility study of PI information system built for PTIK based on ISO 9126 standard. The research has two phases, the first is developing the system using waterfall method, and the second is feasibility study based on five characteristics of ISO 9126 standard which is: (1) functionality, (2) reliability, (3) usability, (4) maintainability, and (5) portability. Eighteen PI information system examiners are involved. Those reviewers divided into three categories: system’s expert, substance’s expert, and the end user of the PI information system. Examining result shows that the average number of all categories is 85.5%. It means that PI information system considered as very-feasible to implement and use.

Sekar Indonesia: Interactive Android-Based Learning Media for History Learning Muhammad Hassan Massaty; Yudianto Sujana; Aris Budianto
IJIE (Indonesian Journal of Informatics Education) Vol 1, No 2 (2017): IJIE (Indonesian Journal of Informatics Education)
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijie.v1i2.12392

Historical learning in Indonesia is very minimal innovation. Due to the lack of innovation from year to year emerged various problems in historical learning activities such as monotonous, boring and uninteresting. The variety of learning media will be able to increase interest of learners in the learning process. The result of this research is an interesting and non-boring Android-based history learning media that is called Sekar Indonesia and worthy of being used as a learning media. This research method is research and development (R & D). This study was conducted using a research model developed by Borg & Gall. The research model consists of five steps: research and data collection, planning, product drafting, preliminary field testing and main product revision. Applications Sekar Indonesia tested by material experts, media experts and users. Expert testing results obtained percentage of 86.1% from material experts, 92.85% from media experts, and 97.7% form users. From the test results obtained the conclusion that the application Sekar Indonesia that has been developed can be used as a learning media.

AR-KIO: Augmented Reality-based Application as Instructional Media on Input and Output Device Component. Nur Hidayattur Rohmah; Yudianto Sujana; Rosihan Ari Yuana
IJIE (Indonesian Journal of Informatics Education) Vol 1, No 2 (2017): IJIE (Indonesian Journal of Informatics Education)
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijie.v1i2.12472

The rapid technology development can be utilized in various fields, especially in education. For example, is augmented reality-based learning media. The learning media can be applied to all the subject matter, including the subject of input and output component devices. Based on the observations that already made, there are some problems such as there is no interactive learning media and limited props in the laboratory. Though the subject of input and output component devices require three-dimensional visualization, especially input output components that are difficult to find in the school environment. The purpose of this study is to determine the feasibility of instructional media applications that have been developed. The research method used is research development method. The tests conducted by media experts, content experts, users and smartphone devices with different specifications. Media expert testing using instruments that refer to aspects of the functionality of ISO 9126 with the percentage acquisition of 100%. Content expert testing using the instrument that refers aspects of learning design with the acquisition percentage of 88%. Meanwhile, user testing uses an instrument that refers to the usability aspect of ISO 9126 with a percentage gain of 83.4%. In addition, there are testing the software with android smartphone platform that has different specifications. The advantages of this application can run on a smartphone with minimum 512 MB RAM specs, Android OS Jelly Bean 4.3 and qHD screen resolution.

The Making of Interactive Applications of Beginning Counting with Montessori Method for Kindergarten Students Andito Haryo Saputro; Dwi Maryono; Yudianto Sujana
IJIE (Indonesian Journal of Informatics Education) Vol 3, No 1 (2019): IJIE (Indonesian Journal of Informatics Education)
Publisher : Universitas Sebelas Maret

This study aims to create an interactive application of beginning counting with the Montessori method that appropriate to apply as a learning media in Kindergarten. And also to find out the appropriateness of interactive application. The research method used in this research is Research and Development (R&D) and using the ADDIE development model. The development model is divided into 5 stages : (1) Analysis, (2) Design, (3) Development, (4) Implementation, and (5) Evaluation. In the development stage, the RAD (Rapid Application Development) method is used. The interview method, literature method, and instrument method are used in collecting data. Further, interactive application validated or assessed by media expert and material expert. The results showed that the interactive application of beginning counting with the Montessori method successfully created. The application divided into 3 parts : (1) Knowing numbers, (2) Sorting numbers, and (3) Counting with numbers. Based on the results of the validation of the interactive application, the percentage of interactive application appropriateness were obtained 96.6% by material expert, and 94.7% by media expert. This shows that the interactive application that has been developed can be used as learning resources or learning media of beginning counting.

Assistance in the Preparation of Scientific Articles in the National Journal for Teachers Efendi, Agus; Maryono, Dwi; Sujana, Yudianto; Basori, Basori
Jurnal Abdimas Vol 27, No 2 (2023): December 2023
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/abdimas.v27i2.48586

Writing scientific papers aims to express ideas, thoughts and information in the form of writing and a writer is able to distinguish between opinions and facts. The purpose of the service is to improve the ability of teacher professionalism by equipping teachers in terms of strategies for compiling scientific papers correctly in accordance with writing guidelines, and equipping teachers in procedures for publishing scientific articles in accredited journals scientific publications for teachers who are prerequisites for promotion and position, so as to motivate teachers to make more quality scientific work. The method of implementing assistance in writing scientific articles includes activity steps that emphasize the learning process. This mentoring activity is built on the basis of active participation (participation) of trainees in all aspects of training activities, starting from planning, implementation, to the assessment stage of learning activities in training. The implementation of assistance in the preparation of scientific articles in the National Journal for teachers of SMKN 1 Sawit Boyolali is divided into three groups of speakers as follows, namely: 1) Format of writing scientific articles 2) Mendeley, 3) Online Journal System. The results achieved in this activity are that teachers have increased the motivation of teachers to write papers, conceptual articles and research articles and can increase the understanding, ability and skills of teachers writing scientific papers. Teachers have a basic understanding of how to identify, select and formulate topics and titles, compile outlines, collect writing materials, organize, and conceptualize writing, as well as scientific writing and editing using mendeley software. 63.6% of teachers have the intentionto write articles in scientific journals. Teachers enthusiastically participate in community service activities that are attended by 100% of the stipulated conditions. Teachers are able to understand the rules and procedures in writing scientific papers, the process of stages in making articles and guidance in publishing articles with the help of mendeley software.

A Comparative Study of Machine Learning Models for Sentiment Analysis of Dana App Reviews Yudianto Sujana
IJIE (Indonesian Journal of Informatics Education) Vol 7, No 2 (2023): IJIE (Indonesian Journal of Informatics Education) - December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijie.v7i2.93132

Sentiment analysis of user reviews has become increasingly important for mobile app developers, as it can provide valuable insights into customer satisfaction and guide the improvement of app features. In this study, we compared the performance of three machine learning models - Support Vector Machine, Neural Network, and Bidirectional Long Short-Term Memory - in classifying the sentiment of user reviews for the Dana mobile application. Our results showed that the Bi-LSTM model outperformed the other models, achieving the highest accuracy, precision, recall, and F1-score. The superior performance of the Bi-LSTM model can be attributed to its ability to capture long-term dependencies and contextual information within the review text, which is crucial for accurate sentiment analysis. These findings highlight the effectiveness of deep learning techniques in handling the complexities of language and sentiment analysis, particularly in the context of user-generated content. The insights from this study can inform the development of more accurate and efficient sentiment analysis tools for mobile app reviews, ultimately benefiting both app developers and users.

TWEET SENTIMENT ANALYSISON GREENSPACES Denaro, Lino Garda; Sujana, Yudianto; Fatihul Ilmy, Hafsah
Journal of Marine-Earth Science and Technology Vol. 2 No. 2 (2021): September
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Twitter has become one of the most significant resources for text mining. Twitter can provide information about human activities, mobility, and emotional patterns along with location data. Many types of text research can be made with these data, one of which is sentiment analysis. This study evaluates the potential of deriving emotional responses of individuals from tweets while they experience and interact with urban green space. A machine learning model using Support Vector Machine (SVM) and corpus from over 2000 movie reviews has been made. This model is used to classify incoming tweets into positive and negative sentiments. Then the web-based recommender system has been built to provide suggestions for green spaces based on users' preferred activities.

Co-Authors A G Thamrin Adriani Rahma Pudyaningtyas Agus Efendi Ahmad Sidiq Alifia Nisa Nursanti Amalia Desy Puspitasari Amir Amir Andito Haryo Saputro Aris Budianto Aris Budianto Asih Mukharoh Basori Basori Denaro, Lino Garda Djaelani Djaelani Dwi Maryono Dwi Maryono Dyah Yuni Kurniawati Dyah Yuni Kurniawati, Dyah Yuni Elia Supriani Endang Sri Markamah Endar Suprih Wihidayat Fatihul Ilmy, Hafsah Forry Stella Nasanjaya Hanung Tegar Pambudi Hartono Hartono Hertiana Yuni Kharismawati Hesti Wulandari Indah Rukmana Sari Indah Saptarini Iud Puspita Wijianingsih Joko Daryanto Karsono Karsono Karsono Karsono Kuswadi Kuswadi Lies Lestari Mahendra Lalita Mulyatno Maria Edel Frudis Aga Maryam Mar'atus Sholikah Mida Septi Karunia Muhammad Ardan Maulana Muhammad Hassan Massaty, Muhammad Hassan Muhammad Munif Syamsuddin Muhammad Munif Syamsudin Murni Ramli Murni Ramli Mutri Widiasih Nanda Muna Ayuni Ngadino Yustinus Ngadino Yustinus Novita Ambaryani Nur Hidayattur Rohmah Nurul Kusuma Dewi Nurul Lailani Alifah Peduk Rintayati Rengganis Nahar Kharisma Reni Dew Nur Isnaini Rika Novellidianingrum Roihanah Hardiyani Rosihan Ari Yuana Ruli Hafidah Sahni Damerianta Purba. Skom. MM Samidi Samidi Saparida Rahmi Siti Hitthotunnahdliyyah Al Badawi Siti Wahyuningsih Suciati *, Suciati Tiara Ratnasari Tri Ulya Wardati Qariah Usada Usada Warananingtyas Palupi

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