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- Bitext_word_alignment abstract "Bitext word alignment or simply word alignment is the natural language processing task of identifying translation relationships among the words (or more rarely multiword units) in a bitext, resulting in a bipartite graph between the two sides of the bitext, with an arc between two words if and only if they are translations of one another. Word alignment is typically done after sentence alignment has already identified pairs of sentences that are translations of one another.Bitext word alignment is an important supporting task for most methods of statistical machine translation; the parameters of statistical machine translation models are typically estimated by observing word-aligned bitexts, and conversely automatic word alignment is typically done by choosing that alignment which best fits a statistical machine translation model. Circular application of these two ideas results in an instance of the expectation-maximization algorithm.This approach to training is an instance of unsupervised learning, in that the system is not given examples of the kind of output desired, but is trying to find values for the unobserved model and alignments which best explain the observed bitext. Recent work has begun to explore supervised methods which rely on presenting the system with a (usually small) number of manually aligned sentences. In addition to the benefit of the additional information provided by supervision, these models are typically also able to more easily take advantage of combining many features of the data, such as context, syntactic structure, part-of-speech, or translation lexicon information, which are difficult to integrate into the generative statistical models traditionally used.Besides the training of machine translation systems, other applications of word alignment include translation lexicon induction, word sense discovery, word sense disambiguation and the cross-lingual projection of linguistic information.".
- Bitext_word_alignment thumbnail Word_alignment.svg?width=300.
- Bitext_word_alignment wikiPageExternalLink berkeleyaligner.
- Bitext_word_alignment wikiPageExternalLink giza-pp.
- Bitext_word_alignment wikiPageExternalLink nile.
- Bitext_word_alignment wikiPageExternalLink natools.
- Bitext_word_alignment wikiPageExternalLink GMA.
- Bitext_word_alignment wikiPageExternalLink anymalign.
- Bitext_word_alignment wikiPageExternalLink unl-aligner.
- Bitext_word_alignment wikiPageExternalLink pialign.
- Bitext_word_alignment wikiPageID "4558674".
- Bitext_word_alignment wikiPageRevisionID "602767835".
- Bitext_word_alignment hasPhotoCollection Bitext_word_alignment.
- Bitext_word_alignment subject Category:Machine_translation.
- Bitext_word_alignment comment "Bitext word alignment or simply word alignment is the natural language processing task of identifying translation relationships among the words (or more rarely multiword units) in a bitext, resulting in a bipartite graph between the two sides of the bitext, with an arc between two words if and only if they are translations of one another.".
- Bitext_word_alignment label "Bitext word alignment".
- Bitext_word_alignment label "Dopasowanie wyrazów".
- Bitext_word_alignment sameAs Dopasowanie_wyrazów.
- Bitext_word_alignment sameAs m.0c8v9v.
- Bitext_word_alignment sameAs Q4918853.
- Bitext_word_alignment sameAs Q4918853.
- Bitext_word_alignment wasDerivedFrom Bitext_word_alignment?oldid=602767835.
- Bitext_word_alignment depiction Word_alignment.svg.
- Bitext_word_alignment isPrimaryTopicOf Bitext_word_alignment.
