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Alignment model adaptation

Xem 1-6 trên 6 kết quả Alignment model adaptation
  • This paper proposes an alignment adaptation approach to improve domain-specific (in-domain) word alignment. The basic idea of alignment adaptation is to use out-of-domain corpus to improve in-domain word alignment results. In this paper, we first train two statistical word alignment models with the large-scale out-of-domain corpus and the small-scale in-domain corpus respectively, and then interpolate these two models to improve the domain-specific word alignment.

    pdf8p bunbo_1 17-04-2013 24 1   Download

  • Mining bilingual data (including bilingual sentences and terms1) from the Web can benefit many NLP applications, such as machine translation and cross language information retrieval. In this paper, based on the observation that bilingual data in many web pages appear collectively following similar patterns, an adaptive pattern-based bilingual data mining method is proposed.

    pdf9p hongphan_1 14-04-2013 30 3   Download

  • We introduce a word segmentation approach to languages where word boundaries are not orthographically marked, with application to Phrase-Based Statistical Machine Translation (PB-SMT). Instead of using manually segmented monolingual domain-specific corpora to train segmenters, we make use of bilingual corpora and statistical word alignment techniques. First of all, our approach is adapted for the specific translation task at hand by taking the corresponding source (target) language into account. ...

    pdf9p bunthai_1 06-05-2013 26 1   Download

  • Sometimes, the products themselves are modified and sometimes the new market impose changes that need to be made in the technical documentation of the products. This probably arises most frequently in the user manuals of software products. Different countries use different keyboards, different languages often require adaptation of the software itself and also, users in different countries have different expectations and norms which the documentation (if not the product itself) needs to reflect. ...

    pdf5p buncha_1 08-05-2013 32 1   Download

  • This paper introduces primitive Optimality Theory (OTP), a linguistically motivated formalization of OT. OTP specifies the class of autosegmental representations, the universal generator Gen, and the two simple families of permissible constraints. In contrast to less restricted theories using Generalized Alignment, OTP's optimal surface forms can be generated with finite-state methods adapted from (Ellison, 1994). Unfortunately these methods take time exponential on the size of the grammar. Indeed the generation problem is shown NP-complete in this sense. ...

    pdf8p bunthai_1 06-05-2013 28 2   Download

  • We investigate the task of unsupervised constituency parsing from bilingual parallel corpora. Our goal is to use bilingual cues to learn improved parsing models for each language and to evaluate these models on held-out monolingual test data. We formulate a generative Bayesian model which seeks to explain the observed parallel data through a combination of bilingual and monolingual parameters. To this end, we adapt a formalism known as unordered tree alignment to our probabilistic setting.

    pdf9p hongphan_1 14-04-2013 30 2   Download

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