Báo cáo khoa học: "A machine learning approach to the automatic evaluation of machine translation" potx
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 translationSimon Corston-Oliver, Michael Gamon and Chris BrockettMicrosoft ResearchOne Microsoft WayRedmond ... using the human referencetranslations and the output of the MT system at agiven point in time. Using the same set of features, we expect the accuracy of the classifiers to go down over time as the ... insampling the initial datasets. Thanks also to John Platt for helpful discussion on parametersetting for the SVM tools, and to the members of the MSR NLP group for feedback on the uses of the methodology...
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Tài liệu Báo cáo khoa học: "A Ranking-based Approach to Word Reordering for Statistical Machine Translation" doc
... ap-proach to word reordering. The ranking model isautomatically derived from the word aligned paralleldata, viewing the source tree nodes to be reorderedas 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 reorderedtree Tewith minimal CLN into independently find-ing the children permutation of ... syntax tree accord-ing to their relative position in the target language. The ranking model is automatically trained to min-imize the mis-ordering of tree nodes in the trainingdata. Large...
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Báo cáo khoa học: "A Word-Class Approach to Labeling PSCFG Rules for Machine Translation" pot
... representing the ac-cumulated contents of the whole phrase, followed bytwo lines pertaining to the context word classes. The final element of the vector is proportional to the log-arithm of the phrase ... log10(n) The α parameters determine the influence of the dif-ferent types of information. The elements in the firstline represent the phrase boundary word classes, the next two lines the classes of the ... classes. Fur-ther, let c0be a short-hand for the result of lookingup the class of a word that is out of bounds (e.g., the left context of the first word of a sentence, or the sec-ond word of a one-word...
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Báo cáo khoa học: "A Supervised Learning Approach to Automatic Synonym Identification based on Distributional Features" ppt
... thatbecause neither word is included in LDV, all the pairs of the query and the words listed in the tableare guaranteed to be excluded from the training set. The result shows the superiority of DFEAT ... targetword settings. The rest of the experimental settingwas almost the same as the previous one, except that the construction of training set is rather artificial —we used all of the 18,102 positive ... counterpart,with the direction opposite and the postfix “ -of attached to the label. This allows to follow the relations in reverse, increasing the flexibility andexpressive power of patterns.In the experiment,...
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Báo cáo khoa học: "A Meta Learning Approach to Grammatical Error Correction" doc
... 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 of the JLE consist of only Japanese. These ... compensate for the weaknesses of each classifier, we build a meta-learner that takes an input vector consisting of the outputs of the base classifiers. The performance of meta -learning can...
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Báo cáo khoa học: "A Memory-Based Approach to the Treatment of Serial Verb Construction in Combinatory Categorial Grammar" pdf
... out to seek Laay in the cane fieldand he finds that it is about to walk away.’ The sentence in (17) are split into two SVCs: the series of V1 to V3and the series of V4 to V5, be-cause they ... consider the SVC V4 to V5as a complement of the SVCV1 to V3. Pro-drops occur at the object positions of the verbs V1, V2, and V3. On the other hand,we can also consider the SVC V1 to ... in registers for being filled to gaps foundin the rest of the input sentence. These regis-ters are too powerful since they enable ATN to recognize the full class of context-sensitive gram-mars....
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Báo cáo khoa học: "A Unification-based Approach to Morpho-syntactic Parsing of Agglutinative and Other (Highly) Inflectional Languages" doc
... 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 affect on the speed of the run-time ... compatible values in the E description iffone of the values of f can be found among the values of f in the E description. D and E are unifiable iffevery f feature of the E description has...
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Báo cáo khoa học: "A Unification-based Approach to Morpho-syntactic Parsing of Agglutinative and Other (Highly) Inflectional Languages" ppt
... 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 affect on the speed of the run-time ... compatible values in the E description iffone of the values of f can be found among the values of f in the E description. D and E are unifiable iffevery f feature of the E description has...
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Báo cáo khoa học: "A SITUATION SEMANTICS APPROACH TO THE ANALYSIS OF SPEECH ACTS" ppt
... 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 the set of situation-types of the ... corresponding to the first grammatical clause creates the situation-type in which tllcre is the guy at the door and the speaker and the relationship of the speaker having told the guy at the door to watch...
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Tài liệu Báo cáo khoa học: A systems biology approach for the analysis of carbohydrate dynamics during acclimation to low temperature in Arabidopsis thaliana doc
... derivative of thisfunction. The flux rate of CO2into sucrose synthesis(rCO2!Suc) was caclulated as the difference between the rate of net photosynthesis and that of net starch synthesis (unit:C6h)1Æg)1FW):rCO2!Suc¼ ... (unit:C6h)1Æg)1FW):rCO2!Suc¼ rNetPhotosynthesisÀrCO2!StarchRatesof net photosynthesis (rNetPhotosynthesis) were calcu-lated as the average rate of carbon uptake during the firsthalf of the light phase (n ... CH3COOH, the suspension was digested for 2 h with amyloglucosidase. The glucose content of the supernatant was then deter-mined and used to assess the starch content of the sample.Measurement of...
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