Definite Null Instantiation Detection in FrameNet
Ru Li · Zhongwen xinxi xuebao · 2013
In FrameNet,definite null instantiation detection aims to find null instantiation of the frame elements which need to be filled in frame semantic annotation corpus,which is beneficial for text understanding.This paper proposed a simple two-stage pipeline solution to definite null instantiation recognizing: the first stage used rule-based approach to detect null instantiations in the corpus which have been semantic roles labeled,and the second stage predicts which types the null instantiations previously detected belongs to based on maximum entropy.The results of test data from SemEval-2010 Task 10 show that the recall of null instantiation detection and the precision of null instantiation classification are 60.1% and 53.5%,respectively,close to the best result of the evaluation.