The site presents a hierarchical organization for Wikipedia articles with respect to their semantic similarity and provides search and navigation facilities over the hierarchy. The hierarchy is constructed as a recursive division of the English Wikipedia graph into dense subgraphs (graph communities) and can be considered as an extension to the Wikipedia category structure. Unlike Wikipedia categories that are primarily authored by humans, the community hierarchy is fully automatic, purely link-based and reflects the global link structure of Wikipedia.
The Trans-European Research and Education Networking Association offers a forum to collaborate, innovate and share knowledge in order to foster the development of Internet technology, infrastructure and services to be used by the research and education community.
Nature Network: connecting scientists
Nature Network home page for logged out users.
What can you do on Nature Network?
Connect
Keep in touch with colleagues. Make new contacts.
Discuss
Talk about research and scientific issues.
Explore
Read the blogs. Browse the forums and profiles.
SciLife ist eine Kommunikations- und Präsentationsplattform für die Wissenschaftswelt, die in Zusammenarbeit mit einem Max-Planck-Institut entwickelt wurde. Wissenschaftler präsentieren sich und ihre Forschung und suchen gezielt nach Kooperationspartne
In a previous essay, I wrote about the cognitive aspect of tagging - describing how people tag, and why they find it easy. There is another, equally important aspect of tagging that I did not touch upon - the "why" of tagging. Why do people tag? For many,
Using RhNav - Rhizome Navigation I wrote a data aggregator for Technorati's API. The first result is a video which visualizes blog domains by analysing Technorati's Cosmos (the blogs which link to a particular URL). The video is a screencast of RhNav fetc