The rapid development of Community Question Answering (CQA) satisfies users' quest for
professional and personal knowledge about anything. In CQA, one central issue is to find …

Abstract With Community Question Answering (CQA) sites evolving into quite popular
knowledge-sharing platforms on the Internet, they have also become ideal places for various …

A number of existing works have focused on the problem of malicious following activity
detection in microblog services. However, most of them make the assumption that the …

" Add to Favorites" is a popular function in online shop** sites which helps users to make
a record of potentially interesting items for future purchases. It is usually regarded as a type …

Recently, more and more people have the preference for obtaining the latest news and
posting their views relying on social media. In this way, some opinion leaders would …

Spam activities on multifarious online platforms, such as the opinion spam and fake
following relationships have been extensively studied for years. Existing works separately …

The knowledge provided by user communities in question-answering (QA) forums is a highly
valuable source of information for satisfying user information needs. However, finding the …

Online social networking services have become the most important information-sharing
medium of modern society due to several merits, such as creating opportunities to broaden …

Community-based question answering (cQA) sites have become important knowledge
sharing platforms, as massive cQA pairs are archived, but the uneven quality of cQA pairs …

Community question answering (CQA) websites have become very popular platforms
attracting numerous participants to share and acquire knowledge and information in Internet …