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EmailSum (Email Thread Summarization)

Introduced by Shiyue Zhang et al. in EmailSum: Abstractive Email Thread Summarization30 Jul 2021 archive 2025-07-28

Email Thread Summarization (EmailSum) is a dataset which contains human-annotated short (<30 words) and long (<100 words) summaries of 2,549 email threads (each containing 3 to 10 emails) over a wide variety of topics. It was developed to spur research in thread summarization.

Source: EMAILSUM: Abstractive Email Thread Summarization

Image source: EMAILSUM: Abstractive Email Thread Summarization

Benchmarks archive 2025-07-28

All 2 leaderboards whose dataset resolves to this page shown (sort by any header). "First row" is the archive's own first row at snapshot, in the archive's row order; nothing here re-ranks and metric direction is not asserted.

First row (archive order)PaperCode
Email Thread Summarization EmailSum (long) SemiSuptogether BertS 32.3 EmailSum: Abstractive Email Thread Summarization ZhangShiyue/EmailSum 3 Compare
Email Thread Summarization EmailSum (short) SemiSuptogether BertS 33.91 EmailSum: Abstractive Email Thread Summarization ZhangShiyue/EmailSum 3 Compare

Papers archive 2025-07-28

1 shown of 1 paper with a leaderboard row on this dataset's benchmarks, newest first. The archive's own "papers using this dataset" list was never published, so this is the benchmark-backed subset; the archive's count for this dataset is 3. The Syntology column is from Syntology's graph (read 2026-09-24), stated per sample; it is not part of any archive number.

DateSamples run Syntology
EmailSum: Abstractive Email Thread Summarization 1 6 30 Jul 2021 not harvested

Dataset loaders archive 2025-07-28

1 loader as listed in the archive; links are outbound and not re-checked here.

Tasks archive 2025-07-28

License archive 2025-07-28

None

Modalities archive 2025-07-28

Languages archive 2025-07-28

Variants archive 2025-07-28

  • EmailSum
  • EmailSum (short)
  • EmailSum (long)

3 variant names, as the archive lists them.

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