Papers with lexicalization schemes
Top-Down Structurally-Constrained Neural Response Generation with Lexicalized Probabilistic Context-Free Grammar (N19-1)
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| Challenge: | Neural encoder-decoder architectures have shown promise for natural language generation. |
| Approach: | They propose to generate words according to order of first appearance in lexicalized PCFG parse tree . they also combine neural model with symbolic approach to generate syntactic structure . |
| Outcome: | The proposed method improves over sequence-to-sequence baseline in diversity and relevance. |