Since search queries are part of an information retrieval task, we would like to demonstrate that partof-speech tagging can assist with that task.
the WSJ-trained tagger labeled 2293 of 4759 (48.2%) tags correctly, a number well below the baseline performance, demonstrating that application of the contextual rules that Brill learns from the syntax of natural-language corpora has a negative effect on accuracy in the context of queries.