| Abstrakt: | Users taggings(assigning metadata keywords) Internet content are creating
so called folksonomy, a bottom-up build taxonomy describing relations be-
tween resources. This taxonomy can be used as a form of navigation, even
though it does not leads to answers, but rather leads to more questions and
interesting content.
By aggregating tag according to their name, we get navigation elements
called tagclouds. This thesis introduces basic methods of inline tagcloud
generation, also, defines tag relations, to improve tagclouds and the model
of navigation in this tagspace. Tagcloud generation methods are compared,
and experimentally tested, by implementing these algorithms and using them
on real data. As a main result we will introduce relational tagbrowser cre-
ated for portal blog.matfyz.sk, that uses graph layout to visualize tags and
relations between them. Algorithms and technologies that lead to creating
of this tagbrowser are described and implementation details are listed.
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