Package jazzparser :: Package parsers :: Package tagrank :: Module chart

Module chart

Simple probabilistic extension to the CKY chart for the tagrank parser.

This is rather like the PCFG chart, but doesn't do as much - it just combines probabilities very naively from arguments of rule applications so that products of tag probabilities work their way up the tree.

Author: Mark Granroth-Wilding <mark.granroth-wilding@ed.ac.uk>

Classes

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TagProbabilitySignHashSet
For this chart's internal data structure, we use a modified implementation of the HashSet which adds some basic handling of the tag probabilities that came from the tagger's model.

TagRankChart
Overrides the CKY chart to add probabilistic stuff.

Variables

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logger = logging.getLogger("main_logger")

__package__ = 'jazzparser.parsers.tagrank'