While contextual information is the primary source of information used in WSD research and has been used for acquiring semantic lexicons and classifying unknown words in other languages (e.g., Roark and Charniak 1998;Ci-aramita 2003;Curran 2005), it has been used in only one previous study on semantic classification of Chinese unknown words (Chen and Lin, 2000).
similarity between their modifiers, using the concept of information load (IC) of the least common ancestor (LCA) of the modifiers' semantic categories.