@inproceedings{wang2003combination, author = {Wang, Ye-Yi and Acero, Alex}, title = {Combination of CFG and N-gram Modeling in Semantic Grammar Learning}, booktitle = {Eurospeech 2003}, year = {2003}, month = {January}, abstract = {SGStudio is a grammar authoring tool that eases semantic grammar development. It is capable of integrating different information sources and learning from annotated examples to induct CFG rules. In this paper, we investigate a modification to its underlying model by replacing CFG rules with n-gram statistical models. The new model is a composite of HMM and CFG. The advantages of the new model include its built-in robust feature and its scalability to an n-gram classifier when the understanding does not involve slot filling. We devised a decoder for the model. Preliminary results show that the new model achieved 32% error reduction in high resolution understanding.}, publisher = {International Speech Communication Association}, url = {http://approjects.co.za/?big=en-us/research/publication/combination-of-cfg-and-n-gram-modeling-in-semantic-grammar-learning/}, pages = {2809-2812}, edition = {Eurospeech 2003}, }