The covid-19 pandemic is currently occurring affects almost all aspects of life, including education. School From Home (SFH) is one of the ways to prevent the spread of Covid-19. The face-to-face learning method in class turns into online learning using information technology facilities. Even though there are many barriers to implementing classes online, online learning provides a new perspective for students' learning process. One of the factors for the online learning process's success is the interaction between the two main actors in the learning process, i.e., lecturers and students. The study's purpose was to analyze students' perceptions of the online learning process. The research data were obtained from a student questionnaire, which included five main criteria in the learning process: 1) self-management aspects, 2) personal efforts, 3) technology utilization, 4) perceptions of self-roles, and 5) perceptions of the role of the lecturer. Students provide an assessment through a questionnaire about the online learning methods they experience during the Covid-19 pandemic. The random forest algorithm was applied to examine data. The study results were focused on three main criteria (variable importance) that affect students' perceptions of the online learning process. The results described that the students' satisfaction in online learning is influenced by 1) The relationship between students and lecturers. 2) The learning materials need to be changed and adapted to the online learning method; 3) The use of technology to access online learning. The study contributes to improving the online learning method for the student.

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This paper aims to present differences between male and female internet users in terms of their internet access, including the information they seek, their ICT uses, their frequency of use, and their barriers. This paper reports data from 400 internet café users in urban and non-urban areas in Yogyakarta, Indonesia.The results show that there were some differences between the male and female users. Firstly, the number of male users who visited in internet café was slightly higher than that of female users. Secondly, in terms of information the users seek, female users in urban areas were more interested in accessing education and health contents than male users, whereas in non-urban areas female users were more interested in educational contents and agricultural contents. Secondly, in terms of the ICT uses, male users in urban areas tended to have more interest in using ICT for e-commerce and business than female users. On the other hand, in non urban areas, female users tended to have a higher interest in using ICT for blogging/social networking than male users. Next, with regard to frequency of use, in both urban and non-urban areas male users visited an internet café more often than female users. Finally, in term of barriers in using ICT; the most serious barriers both in urban and non-urban areas were distance, cost, content and services.

Many people like traveling. But, often they are difficult to find a tourism site that they like much. Too many information about tourism is the problem. To overcome this problem, we need to filter the information. Recommender System could filter the information. By considering the advantages, the system used item-based collaborative filtering approach to give recommendation. Some tourism site around Yogyakarta province were used in this research. The system is able to give recommendation to users. The accuracy of the rating prediction is 0,6293 and the average time consumption is 1693,33 millisecond.

Blood bank administration in PMI, Magelang Regeency is still managed manually, which prevents hospitals from accessing information on blood stock quickly. Hospitals can access information about blood stock by phone only. Such a manual system could be a problem in delivering an excellent service. Therefore, a solution is required to improve the quality of services delivered by PMI. The use of information technology called Blood Bank Information System (SIBD/Sistem Informasi Bank Darah) is promising to improve the quality of services of the PMI. The SIBD helps the hospital to improve time efficiency in the blood demand process. There were several activities which have been completed, i.e.: 1) Developing SIBD at PMI of Magelang Regency; 2) Improving hardware facilities at PMI of Magelang Regency and RSUD Muntilan, including the procurement of computer hardware, modem, and Internet access for each institution; 3) Training on the use of SIBD for both PMI and hospital staff. The results wrer: 1). SIBD at PMI which is linked to RSUD Muntilan and other hospitals for blood supply information and online order; 2) Blood Bank Administration Database which can improve quality of service; 3) capability of PMI and RSUD Muntilan, Magelang Regency staff in utilizing SIBD to improve services to patients.