Automatic Extension of Feature-based Semantic Lexicons via Contextual Attributes

We describe how a feature-based semantic lexicon can be automatically extended using large, unstructured text corpora. Experiments are carried out using the lexicon HaGenLex and the Wortschatz corpus. The semantic classes of nouns are determined via the adjectives that modify them. It turns out to be reasonable to combine several classifiers for single attributes into one for complex semantic classes. The method is evaluated thoroughly and possible improvements are discussed.

• Type: Conference
• Year: 2005
• Where: GFKL
• Authors: Chris Biemann, Rainer Osswald
• Keywords: Feature-based Semantic Lexicon, GFKL 2005, Semantic Classes, Unstructured Text Corpora