Báo cáo khoa học: "Word Alignment Combination over Multiple Word Segmentation" docx

... combine word alignments over multiple mono- lingually motivated word segmentation. Our approach is based on link confidence score de- fined over multiple segmentations, thus the combined alignment ... this paper, we present a new word alignment combination approach on language pairs where one language has no explicit word boundaries. Instead of combining word alig...

Ngày tải lên: 23/03/2014, 16:20

... involved in relation selection, irrespective of its order in a combination. 1 Introduction The combination of two existing words is a productive strategy used by speakers to convey new concepts ... Abstract We describe two experiments using French noun-noun combinations which parallel a study carried out by Gagné (2001) using English combinations. The order of the modifier and...

Ngày tải lên: 23/03/2014, 19:20

... environment. 2 Alignment Spaces Let an alignment be the entire structure that con- nects a sentence pair, and let a link be the in- dividual word- to -word connections that make up an alignment. An alignment ... concerned with the space of alignments searched by word alignment systems. We focus on situations where word re-ordering is limited by syntax. We present two new align...

Ngày tải lên: 08/03/2014, 21:20

... translation candidates and word -alignment choices. For ex- ample, the most frequent source words (e.g., func- tional words) are likely to be translated into words which are also frequent on the target side; words ... such as word- pair”, “sentence-pair”, and “document- pair”. Formally, we define the following terms 1 : • A word- pair (f j , e i ) is the basic unit for word alignment,...

Ngày tải lên: 17/03/2014, 04:20

... our alignment model as de- scribed above has very few factors to prevent unde- sirable alignments, such as having all French words align to the same English word. To guide the model to correct alignments, ... Our experiments show that this model can be an effective tool for improving an existing word alignment. 1 Introduction Word alignments were first introduced as an in- termediate...

Ngày tải lên: 17/03/2014, 06:20

... translation, significant improvements over IBM Model 4 in both word alignment (up to +6.7 F1) and translation quality (up to +1.4 Bleu). 1 Introduction Automatic word alignment is a vital component ... units bigger than words (like phrases or tree fragments), they nearly always use word alignments to drive extraction of those translation rules. The dominant approach to word alig...

Ngày tải lên: 30/03/2014, 17:20

... algorithm with the gold standard word alignments (labels) of the word alignment discriminative training set, an initial λ, N, and the starting alignments (the iter- ation 4 HMM Viterbi alignment) . In line ... other Foreign words translated from a particular e 13 zero fertility English word penalty 6 translation table from refined combination of both alignments 14 non-zero fertility...

Ngày tải lên: 31/03/2014, 01:20

... procedure 後者 lies の 手順 問題で は … in … に ある (a) gold alignment (b) auto alignment Figure 2: Fragment of a sentence pair. (a) shows gold alignment; (b) shows automatically generated alignment which contains errors. spans. ... ranking reorder model and errors from word alignment and parser. Another thing to note is that the crossing-link number of manual alignment is highe...

Ngày tải lên: 19/02/2014, 19:20

... subsections, we will explain the word alignment procedure, the reordering ap- proach, and the construction of confusion net- works. 2.1 Statistical Alignment The word alignment is performed in analogy ... hypothesis. The new word order for E n is obtained through sorting the words in E n by the indices of the words in E m to which they are aligned. Two words in E n which are align...

Ngày tải lên: 22/02/2014, 02:20

... a “one-sided” concept consisting of only one word. In this view, a sentence pair ap- pears “superficially” as a pair of bag of words, but the bag of words are themselves the visible part of an ... reason is that the segmentation and alignment scheme used in our gold standard is not very fine-grained: mostly, big chunks of the Japanese sentence cover- ing several words are aligned to big chun...

Ngày tải lên: 22/02/2014, 02:20