Geographic information systems and online mapping technologies have been widely used for supporting participatory decision-making in local communities. However, limited studies ha...
We address the problem that current Web applications present mainly the content-centric information, but lack cues and browsing mechanisms for online social information. After summ...
Online spaces that enable public shared inter-personal communications are of significant social and economic importance. This paper outlines a theoretical model and methodology, la...
A semantic substrate is a spatial template for a network, where nodes are grouped into regions and laid out within each region according to one or more node attributes. This paper...
Digital identity and trust management mechanisms play an important role on the Internet. They help users make decisions on trustworthiness of digital identities in online communit...