In online social media platforms, users can express their ideas by posting original content or adding comments and responses to existing posts, thus generating virtual discussions conversations. Studying these conversations is essential for understanding the communication behavior of users. This study proposes a novel approach retrieve popular patterns on using network-based analysis. The analy...

Nowadays, the tourism industry accounts for approximately 10% of the global GDP, while it only contributes 3% of the economy in Iran. Since the pressure of US sanctions increases day after day on the Iranian economy, the necessity of paying attention to this industry as a source of foreign currency is felt more than ever. The purpose of this research is to analyze the reviews of users of social...

This paper deals with data mining on verbal bullying by Instagram users. It tracks people who repeatedly have abusive behavior and may cause harm to other persons or groups. In this work, a dataset holding in the Arabic language was extracted from comments, entries were classified as regular suspicious bullying. KINIME Orange open source tools utilized discover comments that involved delete pre...

The user shares their thoughts on social web sites often through posts and comments. Users register to communities using their personal information. The social web sites like Yahoo, YouTube, Facebook and Twitter provides a large volume of general information of users interest. The popularity of social websites is increasing very fast because of the large scale of user participation, through con...

For visualization of multivariable data, multivariate cube meets with the limitation of screen and human vision. Retinal variables are integrated into multivariate cube to enhance its visual characteristics. The selective feature of variables and associative feature of the values of the same variable are improved with the integration of retinal variable into the set of visual variables. The sel...

Social media posts, and memes in particular, offer important opportunities for social users organizations to disseminate information about climate change. However, as this topic remains controversial, often elicit comments that may oppose (rather than support) the existence of In three studies, we find position influences users’ engagement with main post: when user’s meme’s positions on change ...

In this paper we identify roles and uses of web-based tutorials through an examination of tutorials’ comments sections. Through this analytical lens, we find that web tutorials serve a variety of needs, providing: in-task help for users with an immediate, specific goal to accomplish; a means for users to proactively expand their repertoire of skills; and an opportunity for novices to shadow and...

With the growing popularity of opinion-rich resources on the Web, new opportunities and challenges arise and aid people in actively using such information to understand the opinions of others. Opinion mining process currently focuses on extracting the sentiments of the users on products, social, political and economical issues. In many instances, users not only express their sentiments but also...

The GM-MDS conjecture of Dau et al. (ISIT 2014) speculates that the MDS condition, which guarantees the existence of MDS matrices with a prescribed set of zeros over large fields, is in fact sufficient for existence of such matrices over small fields. We prove this conjecture.