Social and information networking activities such as on Facebook, Twitter, WeChat, and
Weibo have become an indispensable part of our everyday life, where we can easily access …

Fault diagnosis is critical in many domains, as faults may lead to safety threats or economic
losses. In the field of online service systems, operators rely on enormous monitoring data to …

In the era of advanced mobile technology, freedom of expression over social media has
become prevalent among online users. This generates a huge amount of communication …

Social recommendation has emerged to leverage social connections among users for
predicting users' unknown preferences, which could alleviate the data sparsity issue in …

Modifiable health behaviors, a leading cause of illness and death in many countries, are
often driven by individual beliefs and sentiments about health and disease. Individual …

Online social networks have established virtual platforms enabling people to express their
opinions, interests and thoughts in a variety of contexts and domains, allowing legitimate …

The rapidly developed Health 2.0 technology has provided people with more opportunities
to conduct online medical consultation than ever before. Understanding contexts within …