[PDF] Top 20 The RWTH System Combination System for WMT 2010

... in system combination operated on true-cased lat- tices, used a separate input-independent true caser, or used a general true-cased LM to differenti- ate between alternative arcs in the lattice, as in ... See full document

... al., 2010) was employed. Jane has been developed at RWTH and implements the hierarchical approach as introduced by Chiang (2007) with some state-of-the-art exten- ... See full document

... segmentations, we apply a leave-one-out heuris- tic (Wuebker et al., 2010) during the n-best list generation step. Using these n-best lists, we it- eratively trained the phrasal and lexical feature sets, denoted ... See full document

... the WMT 2011 shared task, we built a system with the multi-engine MT ap- proach described in (Sennrich, 2011), which builds on the idea by (Chen et ...SMT system (Koehn et al., 2007) is used as a ... See full document

... at RWTH Aachen University for the translation task of the NAACL 2012 Seventh Workshop on Statistical Machine Translation (WMT ...hierarchical system, reverse translation, and system ... See full document

... smoothed 3-gram and 4-gram precisions. To that end, the training data is decoded to generate 100- best lists. We apply a leave-one-out heuristic (Wuebker et al., 2010) to make better use of the training data. ... See full document

... phrase-based system with a hierarchical re- ordering model, a word class language model, a discriminative word lexicon and a insertion and deletion ...phrase-based system is set up and we rescore the ... See full document

... al., 2010) is also used for our hierarchi- cal ...PBT system are also ...PBT system and the parameter weights are also optimized with MERT (Och, 2003) towards the B LEU ... See full document

... preferred RWTH and ...other system combinations, but not against underlying systems, so we suspect that the bm-i2r submission still per- forms better than combinations on the Haitian Cre- ole ... See full document

... translation system in the evaluation cam- paign of the Joint Fifth Workshop on Sta- tistical Machine Translation and Metrics in ...(MT) system with particular focus on the components used in this partici- ... See full document

... each system as the number of times the hypothesis of the system is the best TER-scoring translation in the tuning cor- ...al., 2010) and even as good results as more complex methods such as MERT ... See full document

... translation system uses two lan- guage models (LM) that are estimated with the KenLM toolkit (Heafield et ...log-linear combination: A 5-gram LM and a 7- gram word-class language model ... See full document

... al., 2010), who extended ITG to al- low bilingual parsing of two confusion networks (by treating each confusion network bin as a multi-word entity), we converted the basic TER-plus code to take into account ... See full document

... a system combination software (Bar- rault, 2010) based on the decoding of a lattice made of several Confusion Networks ...MT system combination (Rosti et ... See full document

... For English, German and Kazakh data, we use a simple preprocessing pipeline consisting of mi- nor text normalization steps (such as removing some special UTF-8 characters), followed by fre- quent casing from the Jane ... See full document

... “CN-MBR-X” represents the different possi- ble hypothesis alignment methods (X = {TER, HMM, TERp}) which are used to build indi- vidual CNs using the output from MBR de- coding as the backbone. We can see that the ... See full document

... ditional system combination engines for the first time: The first one uses the same alignments as A2L, but generates lattices in the OpenFST frame- work (Allauzen et ...of system combination – ... See full document

... in system combination. For LM training, we took the system hypotheses for the same test corpus for which the consensus trans- lations are to be ...original system hypotheses, in most cases ... See full document

... the WMT 2010 evaluation, triplets mod- eling p(e|f, f 0 ) were trained and applied di- rectly in search for all relevant language ...year’s WMT translation tasks slight improvements on the devel- ... See full document

... this WMT submission was to show the quality of a joint translation by combining the knowledge of the four project ...translation system, we combined all hypotheses of the different systems, using the ... See full document