Báo cáo khoa học: "Interactive Word Alignment for Language Engineering" pptx
... on developing an interactive word alignment environment that will assist a user to quickly produce accurate full-coverage word alignment in bitexts for different language engineering tasks, such ... an automatic word aligner. 1 Introduction Automatic word alignment systems have proved to be useful tools for various language and NLP tasks, such as bilingual lexicon extrac...
Ngày tải lên: 17/03/2014, 22:20
... a word link is represented by a pair of indices (i, j), 229 which means that Foreign word f j is aligned with English word e i . The direction of word alignments is ignored. Since the goal of word ... 0. Let A 1 , A 2 denote two sets of word alignments to be combined for the given sentence pair. For instance, A 1 could be word alignments from En- glish to foreign while A 2 t...
Ngày tải lên: 17/03/2014, 02:20
... β dimensions of words’ representation vectors. We additionally introduce a bias b w for each word to capture differences in over- all word frequencies. The energy assigned to a word w given these ... com- pare our model’s word representations with several bag of words weighting methods, and alternative ap- proaches to word vector induction. 4.1 Word Representation Learning We in...
Ngày tải lên: 20/02/2014, 04:20
Tài liệu Báo cáo khoa học: "Discriminative Word Alignment with Conditional Random Fields" ppt
... model many-to-one word alignments, where each source word is aligned with zero or one target words, and therefore each target word can be aligned with many source words. Each source word is labelled ... sources words for a particular tar- get alignment. This feature indicates whether a given alignment has the highest translation score of all the candidate alignments for a given...
Ngày tải lên: 20/02/2014, 11:21
Báo cáo khoa học: "Measure Word Generation for English-Chinese SMT Systems" ppt
... also per- form word alignment to get correspondences be- tween source and target words. Then, the colloca- tion between measure words and head words and their surrounding contextual information ... between a measure word and a head word. For features of surrounding words, the feature function f 2 is de- fined as 1 if a certain word exists at a certain posi- tion, otherwise 0....
Ngày tải lên: 08/03/2014, 01:20
Báo cáo khoa học: "Stochastic Iterative Alignment for Machine Translation Evaluation" doc
... Stochastic word matching. For the purpose of increasing hitting chance of MT outputs in references, we use a stochastic word match- ing in the string alignment instead of WORD- STEM and WORD- NET ... given a French word can be computed by training word alignment models such as IBM Model4. Then for every English word e, we have a set of conditional probabilities given each...
Ngày tải lên: 08/03/2014, 02:21
Báo cáo khoa học: "Unsupervised Word Alignment with Arbitrary Features" potx
... poses problems for word alignment models since, unlike English, Czech words have a complex inflectional morphol- ogy, and the syntax permits relatively free word or- der. For this language pair, ... evaluation exer- cise for word alignment. In Proc. of the Workshop on Building and Using Parallel Texts. R. C. Moore. 2005. A discriminative framework for bilingual word align...
Ngày tải lên: 17/03/2014, 00:20
Báo cáo khoa học: "Incremental HMM Alignment for MT System Combination" pot
... is equivalent to a span in the compact form, comprises the alter- native words at a word position. Thus each cell represents an alternative word at certain word po- sition voted by certain translation. ... the compact form of E(k) (i.e. the form without any inserted empty words), or, if E i (k) represents an empty word, the position of the nearest preceding non-empty word. For conve...
Ngày tải lên: 17/03/2014, 01:20
Tài liệu Báo cáo khoa học: " Mining the Web for Language Learning" pdf
... therefore cannot cover fresh words or new usages of existing words. Secondly, their search 1 http://www.engkoo.com. functions are often limited, making it hard for users to effectively find information ... definition of a word/ phrase; 2) retrieve example sentences using keywords, POS tags or collocations; and 3) get the translation of a word/ phrase/sentence. While Engkoo is currently buil...
Ngày tải lên: 20/02/2014, 05:20
Báo cáo khoa học: "Exploiting Web Redundancy for Answer Validation" pptx
... occurrence of the question words influence the appearance of answer words. Therefore, we introduce additional linguis- tic techniques for pattern and query formulation, such as keyword extraction, answer ... frequent sense of the word in WordNet (Fellbaum, 1998), which considerably reduces the risk of adding disturbing elements. As for morphol- ogy, verbs are expanded with all their tens...
Ngày tải lên: 08/03/2014, 07:20