Global Thresholding and Multiple Pass Parsing

Details Global Thresholding and Multiple Pass Parsing Global Thresholding and Multiple Pass Parsing

1997-08-13

arxiv.org/abs/cmp-lg/9708006v2

Proceedings of the Second Conference on Empirical Methods in Natural Language Processing, 11-25

Computer Science

Computation and Language

Fixed latex errors; fixed minor errors in published version

Scientific paper

We present a variation on classic beam thresholding techniques that is up to an order of magnitude faster than the traditional method, at the same performance level. We also present a new thresholding technique, global thresholding, which, combined with the new beam thresholding, gives an additional factor of two improvement, and a novel technique, multiple pass parsing, that can be combined with the others to yield yet another 50% improvement. We use a new search algorithm to simultaneously optimize the thresholding parameters of the various algorithms.

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