The growing size of cities and increasing population mobility have determined a rapid
increase in the number of vehicles on the roads, which has resulted in many challenges for …

Recommender systems play an important role in helping online users find relevant
information by suggesting information of potential interest to them. Due to the potential value …

“Nature shows us only the tail of the lion. But I do not doubt that the lion belongs to it even
though he cannot at once reveal himself because of his enormous size.”–Albert Einstein The …

With the emergence of online social networks, the social network-based recommendation
approach is popularly used. The major benefit of this approach is the ability of dealing with …

Trust plays a crucial role for online users who seek reliable information. However, in reality,
user-specified trust relations are very sparse, ie, a tiny number of pairs of users with trust …

Introduction. The paper provides a preliminary analysis of the effects of Facebook usage by
undergraduate students at Luleå University of Technology in Sweden. The proposed …

Traditionally, research about trust assumes a single type of trust between users. However,
trust, as a social concept, inherently has many facets indicating multiple and heterogeneous …

Most existing research about online trust assumes static trust relations between users. As we
are informed by social sciences, trust evolves as humans interact. Little work exists studying …

All phases of disaster management require up-to-date and accurate information. Different in-
situ and remote sensor systems help to monitor dynamic properties such as water levels or …

Trust can help participants in online social communities to make decisions; however, it is a
challenge for systems to map trust into computational models because of its subjective …