Brainly is a Community Question Answer (CQA) application that allows students or parents to ask questions related to their homework. The current mechanism is that users ask questions, then other users who are in the same subject interest can see and answer it. As a reward for answering questions, Brainly gives points. The number of points varies by question. The greater of total points users have, Brainly will automatically display them in the smartest user leaderboard on the site's front page. But sometimes, some users do not have good activity in answering questions. Thus, it is possible to have an urgent question that has not been answered by anyone. This study implements Fuzzy C-Means cluster method to improve Brainly's feature regarding the speed and accuracy of answers. The idea is to create student clusters by utilizing the smartest students' leaderboard, subjects interest, and answering activities. The stages applied in this research started with Data Extraction, Preprocessing, Cluster Process, and User Recommender. The optimal number of clusters in the answerer recommendation in the Brainly platform is 2 clusters. The value of the fuzzy partition coefficient for two clusters reached 0.97 for Mathematics and 0.93 for Indonesian. Meanwhile, the results of the recommendations were influenced by answer ratings. Many numbers of the answer are not given rating because the possibility of the answers are not appropriate or user's insensitivity in giving ratings.
Internet telah menjadi salah satu media untuk tujuan pemasaran. Salah satu upaya dalam pemanfaatan media internet adalah untuk proses identitas merek atau sering disebut branding digital. Branding digital juga menjadi salah satu cara untuk menjaga eksistensi suatu lembaga pendidikan. SMP Negeri 4 Jombang merupakan salah satu sekolah tingkat menengah pertama yang terletak di Kabupaten Jombang, Jawa Timur. Permasalahan utama yang dihadapi oleh SMP Negeri 4 Jombang adalah terkait promosi melalui media digital yang belum maksimal dan banyaknya informasi yang ingin disampaikan, baik kepada siswa, orang tua, alumni, maupun kepada masyarakat masih belum dapat disampaikan secara maksimal. Mengarah pada permasalahanpermasalahan tersebut, maka diperlukan adanya sebuah website sekolah. Selain itu, diperlukan juga pendampingan pengelolaan website sekolah agar pihak sekolah dapat mengelola website-nya dengan optimal, baik dalam mengisikan konten profil sekolah, maupun dalam mengisikan konten kegiatan atau berita terkait SMP Negeri 4 Jombang. Tahapan pelaksanaan kegiatan ini terdiri dari tiga tahap, yaitu identifikasi masalah, instalasi web sekolah., serta pelatihan dan pendampingan. Hasil dari kegiatan ini adalah peserta dapat melakukan pengelolaan website sekolah dengan baik. Selain itu, dengan adanya website sekolah, maka dapat membantu promosi SMP Negeri 4 Jombang dan juga sebagai sarana penyampaian informasi ke siswa, orang tua, alumni, maupun kepada masyarakat luas.
Currently, skin care products (skincare) are popular among the public. Both men and women are interested in buying skin care products. Moreover, there are many brands of skin care products that are divided into several types of facial and body care, such as moisturizers, toners, cleansers, and masks. Therefore, many consumers take the time to find information, for example, in terms of price, quality, and brand for decision-making. A lot of useful information is in the form of Twitter messages known as tweets which are sent from people who use skin care products because Twitter is one of the online social media where users can share their opinions and experiences. However, consumers still have to spend a lot of time searching, reading, and understanding the comprehensive collection of tweets before buying skin care products.The purpose of this study is to analyze customer experience, analyzing automated tweets about skin care products. Tweets about skin care products will be subjected to a topic modeling process to find out what topics are being discussed. In addition, the topics that have been obtained will be subject to sentiment analysis in the form of positive and negative messages for skin care products. Consumers who are app users don’t waste time reading and analyzing large amounts of data manually and they can decide to buy skin care products more easily.The results of this study obtained 14 topics of discussion related to skincare. Meanwhile, the sentiment analysis results of 14 topics resulted in more positive sentiment class tweets overall. It related the category topic that has the number of tweets to the importance of skincare. In addition, categories related to ingredients for skincare products from nature, namely fruits and spices, are the topics that have the second highest number of tweets. The results of the analysis of tweets related to user experience on Twitter, it was found that users prefer skincare products that use ingredients from nature.
COVID-19 has spread to various countries and affected many sectors, including education. New challenges arise in universities with study programs related to computer programming, which require a lot of practice. Difficulties encountered when students should setting up the environment needed to carry out programming practices. Furthermore, they should install a text editor called Integrated Development Environment (IDE) to support it. There is various online IDE that supports computer programming. However, students must have an internet connection to use it. After all, many students cannot afford to buy internet quotas to access online learning material during the COVID-19 pandemic. According to these problems, this study compares several online IDEs based on internet data usage and the necessary supporting libraries' availability. In this study, we only compared eleven online IDEs that support the Python programming language, free to access, and do not require logging in. Based on the comparative analysis, three online IDEs have most libraries supported. They are REPL.IT, CODECHEF, and IDEONE. Based on internet data usage, REPL.IT is an online IDE that requires the least transferred data. Moreover, this online IDE also has a user-friendly interface to place the left and right sides' code and output positions. It prevents the user from scrolling to see the results of the code that has been executed. The absence of advertisements also makes this online IDE a more focused appearance. Therefore, REPL.IT is highly recommended for users who have a limited internet quota, primarily to support the learning phase of computer programming during the COVID-19 pandemic.
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