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This workshop builds on three previous workshops on statistical machines translation: the NAACL-2006 Workshop on Statistical Machine Translation, the ACL-2007 Workshop on Statistical Machine Translation, and the ACL-2008 Workshop on Statistical Machine Translation. This year's workshop will feature three shared tasks: a shared translation task for 10 pairs of European languages, a shared evaluation task to test automatic evaluation metrics, and a new system combination task combining the output of all the systems entered into the shared translation task.
The workshop will also feature scientific papers on topics related to MT. Topics of interest include, but are not limited to:
The first shared task which will examine translation between the following language pairs:
All participants who submit entries will have their translations evaluated. We will evaluate translation performance by human judgment. To facilitate the human evaluation we will require participants in the shared tasks to manually judge some of the submitted translations.
A more detailed description of the shared translation task (including information about the test and training corpora, a freely available MT system, and a number of other resources) is available from http://www.statmt.org/wmt09/translation-task.html. We also provide a baseline machine translation system, whose performance is comparable to the best systems from last year's shared task.
Participants in the system combination task will be provided with the 1-best translations from each of the systems entered in the shared translation task. We will endeavor to provide a held-out development set for system combination, which will include translations from each of the systems and a reference translation. Any system combination strategy is acceptable, whether it selects the best translation on a per sentence basis or create novel translations by combining the systems' translations. The quality of the system combinations will be judged alongside the individual systems during the manual evaluation, as well as scored with automatic evaluation metrics.
More details of the system combination task is available from http://www.statmt.org/wmt09/system-combination-task.html.
The evaluation task will assess automatic evaluation metrics' ability to:
Participants in the shared evaluation task will use their automatic evaluation metrics to score the output from the translation task and the system combination task. They will be provided with the output from the other two shared tasks along with reference translations. We will measure the correlation of automatic evaluation metrics with the human judgments.
More details of the shared evaluation task (including submission formats and the collected manual evaluations from last year's workshop) is available from http://www.statmt.org/wmt09/evaluation-task.html.
Submissions will consist of regular full papers of max. 8 pages, formatted following the EACL 2009 guidelines. In addition, shared task participants will be invited to submit short papers (max. 4 pages) describing their systems or their evaluation metrics. Both submission and review processes will be handled electronically.
We encourage individuals who are submitting research papers to evaluate their approaches using the training resources provided by this workshop and past workshops, so that their experiments can be repeated by others using these publicly available corpora.
| Test set distributed for translation task | December 8, 2008 |
| Results submissions for translation task | December 12, 2008 |
| Translations release for system combination | December 22, 2008 |
| System combinations due | January 5, 2009 |
| Translations (and combinations) released for evaluation | January 12, 2009 |
| Automatic evaluation scores due | January 23, 2009 |
| Start of manual evaluation period | January 12, 2009 |
| End of manual evaluation | January 30, 2009 |
| Paper submissions (online) | January 9, 2009 |
| Deadline for reviewing | January 23, 2009 |
| Notification of acceptance | January 30, 2009 |
| Camera-ready deadline | February 13, 2009 |
| Subscribe to to the announcement list for WMT09 by entering your e-mail address below. This list will be used to announce when the test sets are released, to indicate any corrections to the training sets, and to amend the deadlines as needed. |
| You can read past announcements on the Google Groups page for WMT09. |
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 | supported by the EuroMatrix project, P6-IST-5-034291-STP funded by the European Commission under Framework Programme 6 |