Báo cáo khoa học: "A machine learning approach to the automatic evaluation of machine translation" potx

... A machine learning approach to the automatic evaluation of machine translation Simon Corston-Oliver, Michael Gamon and Chris Brockett Microsoft Research One Microsoft Way Redmond ... using the human reference translations and the output of the MT system at a given point in time. Using the same set of features, we expect the accuracy of the classifiers to...

Ngày tải lên: 31/03/2014, 04:20

... ap- proach to word reordering. The ranking model is automatically derived from the word aligned parallel data, viewing the source tree nodes to be reordered as list items to be ranked. The ranks of tree ... trees. the reorder in the subtree of t. This observation en- ables us to divide the task of finding the reordered tree T  e  with minimal CLN into independen...

Ngày tải lên: 19/02/2014, 19:20

... representing the ac- cumulated contents of the whole phrase, followed by two lines pertaining to the context word classes. The final element of the vector is proportional to the log- arithm of the phrase ... log 10 (n)  The α parameters determine the influence of the dif- ferent types of information. The elements in the first line represent the phrase bou...

Ngày tải lên: 23/03/2014, 16:20

... that because neither word is included in LDV, all the pairs of the query and the words listed in the table are guaranteed to be excluded from the training set. The result shows the superiority of DFEAT ... target word settings. The rest of the experimental setting was almost the same as the previous one, except that the construction of training set is rather...

Ngày tải lên: 23/03/2014, 17:20

... is the number of correct predictions divided by the total number of instances. Precision is the ratio of the suggested corrections that agree with the tagged answer to the total number of the ... Finally, the third is the distribution of L1 languages of the learners: the learners of the CLC corpus have various L1 backgrounds whereas the learners...

Ngày tải lên: 30/03/2014, 17:20

... out to seek Laay in the cane field and he finds that it is about to walk away.’ The sentence in (17) are split into two SVCs: the series of V 1 to V 3 and the series of V 4 to V 5 , be- cause they ... consider the SVC V 4 to V 5 as a complement of the SVC V 1 to V 3 . Pro-drops occur at the object positions of the verbs V 1 , V 2 , and V 3 . On the other ha...

Ngày tải lên: 08/03/2014, 21:20

... only the classification criteria have to be clarified. Since the number of these criteria is around a few dozens (in case of a language with rather complicated morphology), the number of theoretically ... applications. The com- pression ratio is less than 20% in terms of lexicon size compared to the source material. The size of the dictionary has very little...

Ngày tải lên: 23/03/2014, 19:20

... only the classification criteria have to be clarified. Since the number of these criteria is around a few dozens (in case of a language with rather complicated morphology), the number of theoretically ... applications. The com- pression ratio is less than 20% in terms of lexicon size compared to the source material. The size of the dictionary has very little...

Ngày tải lên: 23/03/2014, 19:20

... a further property, or characterization. The situation-type of the text at the end of the utterance of the second clause includcs the speaker with die property of having told the guy at the ... gives the set of situation- types of the text (written or spoken) s t - and can be regarded as representing the Iocutionary aspect of the act. The other gives...

Ngày tải lên: 24/03/2014, 01:21

... derivative of this function. The flux rate of CO 2 into sucrose synthesis (r CO 2 !Suc ) was caclulated as the difference between the rate of net photosynthesis and that of net starch synthesis (unit: C 6 h )1 Æg )1 FW): r CO 2 !Suc ¼ ... (unit: C 6 h )1 Æg )1 FW): r CO 2 !Suc ¼ r NetPhotosynthesis Àr CO 2 !Starch Ratesof net photosynthesis (r NetPhotosynthesis ) were calcu- late...

Ngày tải lên: 14/02/2014, 22:20