[PDF] Top 20 Hierarchical Phrase based Translation Representations

... any translation grammar as long as an entropy pruned LM is ...decisions based on less complex LMs, although this has been shown to be an ad- equate strategy when applying compact CFG rule- ...large ... See full document

... Hierarchical phrase-based translation (Chiang, 2005; Chiang, 2007) extends the highly lexicalized models from phrase-based translation systems in order to model ... See full document

... a hierarchical phrase-based statistical machine translation in which a target sentence is efficiently generated in left-to-right ...a phrase pre- fixed ...is based on an Early- ... See full document

... novel phrase translation model for SMT, where joint represen- tations are exploited of a phrase in the source lan- guage and of its translation in the target language, and where the ... See full document

... machine translation sys- tems are not able to generate error-free trans- lations and human intervention is often re- quired to correct their ...the translation pro- cess has been presented in previous ... See full document

... It might appear that the restriction that target-side rules be GNF is a severe restriction on the cover- age of possible hypotheses compared to the full set of rules permitted by the Hiero extraction heuris- tic. However ... See full document

... More recently Sankaran et al. (2012a) proposed a Bayesian model employing Variational infer- ence for directly extracting Hiero grammar from aligned phrase pairs. While our work is similar to theirs, there are ... See full document

... of hierarchical rules in the system's automatically-learned grammar and millions of possible ways to order their applica- ...noun phrase), at least for the languages we have worked with thus ... See full document

... vious methods. Our proposed joint probability model is factored into four sub-models that can be further classified into source-side and target- side rule selection models or context-based and context-free ... See full document

... The most straightforward way of trying to improve the baseline with lightly-supervised training would be to concatenate the human-generated parallel data and the unsupervised data and to jointly extract phrases from the ... See full document

... In order to get the dependency relation of the training corpus, we re-implement a beam-search style monolingual dependency parser according to (Nivre and Scholz, 2004). Then we use the same method suggested in (Chiang, ... See full document

... standard hierarchical phrase-based translation setup, obtaining these rules is based on a heuristic extraction from automatically word-aligned bilin- gual training ...the ... See full document

... The hierarchical phrase-based (HPB) model on the basis of a synchronous context-free grammar (SCFG) is prominent in solving global ...model based on a maximum entropy ...and translation ... See full document

... machine translation (SMT), applying either pre-processing or post-processing to morphologically rich languages leads to better translation ...on translation quality of the phrase-based ... See full document

... Figure 2b shows the results in terms of average number of language model queries on a sample set of 50 sentences from test sets. All of the base- lines use the same wrapper to KenLM (Heafield, 2011) to query the language ... See full document

... tween translation grammars and ...joint-probability phrase-based model for alignment, but the approach is limited due to excessive complexity as Viterbi inference becomes NP-hard (DeNero and Klein, ... See full document

... on translation modeling, mixed methods have been investigat- ed for domain adaptation in SMT by adding do- main information as additional labels to the orig- inal phrase table (Foster and Kuhn, ...the ... See full document

... To test the HD-HPB models, we firstly carried out experiments using the FBIS corpus as training data, which contains ˜240K sentence pairs. Table 2 lists the rule table sizes. The full rule table size (includ- ing HD-HRs ... See full document

... a phrase-based model by a stan- dard transducer, but this would introduce further ...the phrase-based model runs contrary to the underlying intuitions behind the intersection, namely that the ... See full document

... Hiero phrase tables may also lead to statistical issues, where the probability mass has to be shared by more rules: the probability p(e|f ) has to be shared by all the rules having the same source side string f, ... See full document