Our implementation of the NP-based QA system uses the Empire noun phrase finder , which is described in detail in Cardie and Pierce ( 1998 ) .
errordriven pruning of treebank grammars for base noun phrase identification
C Cardie D Pierce
The NP-based QA System . Our implementation of the NP-based QA system uses the Empire noun phrase finder , which is described in detail in Cardie and Pierce ( 1998 ) . Empire identifies base NPs -- non-recursive noun phrases -- using a very simple algorithm that matches part-of-speech tag sequences based on a learned noun phrase grammar .
Our implementation of the NP-based QA system uses the Empire noun phrase finder , which is described in detail in @@CITATION .