A Differentiable Relaxation of Graph Segmentation and Alignment for AMR Parsing

Chunchuan Lyu
Chunchuan Lyu
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Abstract:

Abstract Meaning Representations (AMR) are a broad-coverage semantic formalism which represents sentence meaning as a directed acyclic graph. To train most AMR parsers, one needs to segment the graph into subgraphs and align each such subgraph to a word in a sentence; this is normally done at preprocessing, relying on hand-crafted rules...More

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