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CHANGELOG.md

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VERSION HISTORY

  • 1.2.10 (23 May 2018)

    • Added wmt18 test set (with references)

  • 1.2.9 (15 May 2018)

    • Added zh-en, en-zh, tr-en, and en-tr datasets for wmt18/test-ts

  • 1.2.8 (14 May 2018)

    • Added wmt18/test-ts, the test sources (only) for WMT18
    • Moved README out of sacrebleu.py and the CHANGELOG into a separate file

  • 1.2.7 (10 April 2018)

    • fixed another locale issue (with --echo)
    • grudgingly enabled -tok none from the command line

  • 1.2.6 (22 March 2018)

    • added wmt17/ms (Microsoft's additional ZH-EN references). Try sacrebleu -t wmt17/ms --cite.
    • --echo ref now pastes together all references, if there is more than one

  • 1.2.5 (13 March 2018)

    • added wmt18/dev datasets (en-et and et-en)
    • fixed logic with --force
    • locale-independent installation
    • added "--echo both" (tab-delimited)

  • 1.2.3 (28 January 2018)

    • metrics (-m) are now printed in the order requested
    • chrF now prints a version string (including the beta parameter, importantly)
    • attempt to remove dependence on locale setting

  • 1.2 (17 January 2018)

    • added the chrF metric (-m chrf or -m bleu chrf for both) See 'CHRF: character n-gram F-score for automatic MT evaluation' by Maja Popovic (WMT 2015) [http://www.statmt.org/wmt15/pdf/WMT49.pdf]
    • added IWSLT 2017 test and tuning sets for DE, FR, and ZH (Thanks to Mauro Cettolo and Marcello Federico).
    • added --cite to produce the citation for easy inclusion in papers
    • added --input (-i) to set input to a file instead of STDIN
    • removed accent mark after objection from UN official

  • 1.1.7 (27 November 2017)

    • corpus_bleu() now raises an exception if input streams are different lengths
    • thanks to Martin Popel for:
      • small bugfix in tokenization_13a (not affecting WMT references)
      • adding --tok intl (international tokenization)
    • added wmt17/dev and wmt17/dev sets (for languages intro'd those years)

  • 1.1.6 (15 November 2017)

    • bugfix for tokenization warning

  • 1.1.5 (12 November 2017)

    • added -b option (only output the BLEU score)
    • removed fi-en from list of WMT16/17 systems with more than one reference
    • added WMT16/tworefs and WMT17/tworefs for scoring with both en-fi references

  • 1.1.4 (10 November 2017)

    • added effective order for sentence-level BLEU computation
    • added unit tests from sockeye

  • 1.1.3 (8 November 2017).

    • Factored code a bit to facilitate API:
      • compute_bleu: works from raw stats
      • corpus_bleu for use from the command line
      • raw_corpus_bleu: turns off tokenization, command-line sanity checks, floor smoothing
    • Smoothing (type 'exp', now the default) fixed to produce mteval-v13a.pl results
    • Added 'floor' smoothing (adds 0.01 to 0 counts, more versatile via API), 'none' smoothing (via API)
    • Small bugfixes, windows compatibility (H/T Christian Federmann)

  • 1.0.3 (4 November 2017).

    • Contributions from Christian Federmann:
      • Added explicit support for encoding
      • Fixed Windows support
      • Bugfix in handling reference length with multiple refs

  • version 1.0.1 (1 November 2017).

    • Small bugfix affecting some versions of Python.
    • Code reformatting due to Ozan Çağlayan.

  • version 1.0 (23 October 2017).

    • Support for WMT 2008--2017.
    • Single tokenization (v13a) with lowercase fix (proper lower() instead of just A-Z).
    • Chinese tokenization.
    • Tested to match all WMT17 scores on all arcs.