Semantic Information Extraction: Overview and Basic Techniques
Semantic Information Extraction: Overview and Basic Techniques
Semantic Information Extraction: Overview and Basic Techniques
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Tree Kernel for RDC<br />
• Convolution kernels for NLP (Collins <strong>and</strong> Duffy. 2001)<br />
K(T1, T2) defined over trees T1 <strong>and</strong> T2<br />
Measured as number of overlapping fragments.<br />
An example parse tree(a) <strong>and</strong> its sub-trees(b)<br />
• Parse tree needs to be augmented before used for RDC<br />
• Tree kernel for RDC differs in ways to augment/prune trees<br />
3/21/2012 9:28 AM
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