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The First Shared Task on Discourse Representation Structure Parsing
TLDR
The paper presents the IWCS 2019 shared task on semantic parsing where the goal is to produce Discourse Representation Structures (DRSs) for English sentences and displayed improvements over the existing state-of-the-art parser.
Dealing with Co-reference in Neural Semantic Parsing
TLDR
Three different methods for dealing with co-indexed variables in the output of neural semantic parsing of abstract meaning representations are reviewed: copying concepts during training and restoring co- Indexation in a post-processing step; explicit indexing of co- indexation; and using absolute paths to designate co-Indexing.
Character-level Representations Improve DRS-based Semantic Parsing Even in the Age of BERT
TLDR
A new method of analysis based on semantic tags demonstrates that the character-level representations improve performance across a subset of selected semantic phenomena.
Proceedings of the IWCS Shared Task on Semantic Parsing
The paper presents the IWCS 2019 shared task on semantic parsing where the goal is to produce Discourse Representation Structures (DRSs) for English sentences. DRSs originate from Discourse