this paper we want to show that XML format not only offers a good framework to annotate texts, but also provides a good for~ malism and tools in order to learn (syntactic) structures

this article the adequacy between theory refinement and Natural Language Learning. For a more detailed presentation of TR, we refer the reader to (Abecker and Schmid, 1996), (Brunk, 1996). (Mooney, 1993) defines it as: Theory refinement systems developed in Machine Learning automatically modify a Knowledge Base to render it consistent with a set of classified train- ing examples