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Reversibility reconsidered: finite-state factors for efficient probabilistic sampling in parsing and generation

Marc Dymetman, Sriram Venkatapathy, Chunyang Xiao
We restate the classical logical notion of generation/parsing reversibility in terms of feasible probabilistic sampling, and argue for an implementation based on finite-state factors. We propose a modular decompo- sition that reconciles generation accuracy with parsing robustness and allows the in- troduction of dynamic contextual factors.
EMNLP, Lisboa, Portugal, September 17-21, 2015
2015
2015/043

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2015-043.pdf (161.16 kB)