"They are built to be human-usable (...) are targeted primarily for storage/retrieval of personal information and serendipitous discovery of group information . (...) The development communities for each are abuzz with ideas for exploiting the structure"
"Xerox has a tool that helps automate the categorization process, but allows the engineer - the subject matter expert - to create his own categories dynamically in a way a machine-learning system could not."
"network is decentralized, with each node—be it a tag, individual, or object—able to connect to another within the system. What arises, when enacted on a large enough scale, is rhizomatic: multiple points of entry for multiple participants"
"(...) tagging system is not "controlled" in this sense (...), but I'm wondering whether its web-scale nature can provide some benefit that one would not expect."
Eingehender Vergleich der BM-Tools, Fokus auf akademsichen Nutzern. "In many ways these new tools resemble blogs stripped down to the bare essentials. Here the essential unit of information is a link, not a story"
S. Niwa, T. Doi, and S. Honiden. ITNG '06: Proceedings of the Third International Conference on Information Technology: New Generations (ITNG'06), page 388--393. Washington, DC, USA, IEEE Computer Society, (2006)
A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. Proc. First International Conference on Semantics And Digital Media Technology (SAMT), volume 4306 of LNCS, page 56-70. Heidelberg, Springer, (December 2006)