networked abstraction of something which contains any number of map objects
[ actually not only maps can be stored: ontologies, queries, ...]
each is addressable within a (hierarchical) namespace
/
is the root (of the good)
/markup/
/markup/xml/
individual topics in these maps can be addressed via
/markup/xml/xpath
/internet/web/firefox
abstracted
how it is implemented is hidden
can be implemented as SQL database, in memory only, tuple-stores, ....
networked
TM store runs on different machine than the web application
TM store can be distributed itself (farming out on clusters)