Two collapsing hierarchies of subregularly tree controlled languages.

Jürgen Dassow Ralf Stiebe Bianca Truthe

Published in: Theor. Comput. Sci. (2009)

Keyphrases

tree structure
hierarchical structure
expressive power
index structure
r tree
cross lingual
language independent
multi lingual
data sets
tree construction
multilingual information retrieval
databases
decision trees
language identification