Papers by Lucas Mentch
Earlier Isn’t Always Better: Sub-aspect Analysis on Corpus and System Biases in Summarization (D19-1)
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| Challenge: | despite recent advances in neural summarization systems, the underlying logic behind the improvements remains unexplored. |
| Approach: | They define three sub-aspects of summarization: position, importance, diversity . position exhibits substantial bias in news articles, but not with academic papers . |
| Outcome: | evaluators found that position bias is not present in academic papers and meeting minutes . elucidation provides useful lessons on analyzing summarization datasets . |
Posterior Calibrated Training on Sentence Classification Tasks (2020.acl-main)
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| Challenge: | Existing methods for posterior calibration have been used to correct poorly calibrated posterior probabilities. |
| Approach: | They propose a posterior calibration procedure that optimizes posterior probability distributions while minimizing calibration errors. |
| Outcome: | The proposed procedure reduces calibration error and improves performance on both objectives. |