Controlling the Amount of Verbatim Copying in Abstractive Summarization
Table 4: Summarization results on the Gigaword test set. The lower part of the table contains results from our system.
['[BOLD] System', '[BOLD] R-1', '[BOLD] R-2', '[BOLD] R-L', 'Bert-S']
We contrast our system with summarization baselines developed in recent years. They include lvt5k-1sent Struct+2Way+Relation Output summaries from the last four systems are graciously provided to us by the authors. that measures n-gram overlap between system and reference summaries, and BERTScore (Zhang et al., 2019) that quantifies their semantic similarity using BERT-based contextualized representations.