A heterogeneous community of practice spans many disciplines, industries and professions. Members of these communities are united by common research, products and experiences but ...
The need for descriptive information, i.e., metadata, about Web resources has been recognized in several application contexts (e.g., digital libraries, portals). The Resource Descr...
Sofia Alexaki, Vassilis Christophides, Gregory Kar...
This paper describes the development of a framework to build Virtual Communities of Practice in the web. It is part of a larger project named as DWeb (acronym for Dream Web). The p...
Many social Web sites allow users to annotate the content with descriptive metadata, such as tags, and more recently to organize content hierarchically. These types of structured ...
Anon Plangprasopchok, Kristina Lerman, Lise Getoor
Automatic folksonomy construction from tags has attracted much attention recently. However, inferring hierarchical relations between concepts from tags has a drawback in that it i...