Paper: Enhancing the Expression of Contrast in the SPaRKy Restaurant Corpus

ACL ID W13-2104
Title Enhancing the Expression of Contrast in the SPaRKy Restaurant Corpus
Venue European Workshop on Natural Language Generation
Session
Year 2013
Authors

We show that Nakatsu & White?s (2010) proposed enhancements to the SPaRKy Restaurant Corpus (SRC; Walker et al., 2007) for better expressing contrast do in- deed make it possible to generate better texts, including ones that make effective and varied use of contrastive connectives and discourse adverbials. After first pre- senting a validation experiment for natu- ralness ratings of SRC texts gathered using Amazon?s Mechanical Turk, we present an initial experiment suggesting that such ratings can be used to train a realization ranker that enables higher-rated texts to be selected when the ranker is trained on a sample of generated restaurant recommen- dations with the contrast enhancements than without them. We conclude with a discussion of possible ways of improving the ranker in future ...