Báo cáo khoa học: "Determining the placement of German verbs in English–to–German SMT" ppt

... all verbs aretranslated and placed correctly.Another problem which was often observed in the baseline is the omission of the verbs in the German translations. The baseline translation of the ... simply invert the reordering ruleswhich are applied on German as a source lan-guage in order to reorder the English input. While the reordering of German implies movement of the German verbs into ... Computational LinguisticsDetermining the placement of German verbs in English–to German SMTAnita Gojun Alexander FraserInstitute for Natural Language ProcessingUniversity of Stuttgart, Germany{gojunaa,...

Báo cáo khoa học: "Determining the Specificity of Terms using Compositional and Contextual Information" pptx

... is con-tained in the terms. The methods are modeled as information theory like meas-ures. As the methods don’t use domain specific information, they can be applied to other domains without ... contained in the term. If a term has large quantity of domain spe-cific information, specificity value of the term is large; otherwise specificity value of the term is small. Specificity of ... from the meaning of the individual words (Manning, 1999). Many terms are created by appending modifiers to existing terms. In this mechanism, features of modifiers are added to features of...

Tài liệu Báo cáo khoa học: "Is the End of Supervised Parsing in Sight?" pdf

... sum of the probabilities of the derivations producing that tree. The probability of a derivation is the product of the subtree probabilities. The original DOP model in Bod (1998) takes the occurrence ... based on the assumption that maximizing the joint probability of the parses in a treebank can be approximated by maximizing the joint probability of their shortest derivations (i.e. the derivations ... 402 the number of subtrees of all trees increases with the Catalan number, and only ad hoc sampling could make the method work. Since U-DOP* computes the shortest derivations (in the training...

Tài liệu Báo cáo khoa học: "Defining the Semantics of Verbal Modifiers in the Domain of Cooking Tasks" pptx

... in the domain of cooking tasks. The domain is limited to a mini-world con- sisting of a small set of verbs chosen because they involve rather complex arm movements which will be interesting ... compute the length of the intervals between stirring events. The length of a single stirring event is a default which is part of the representation of the primitive actions. The number of stirring ... empirical, linguistic study of recipes was con- ducted with the goals of delimiting the scope of the cooking domain, identifying important verbal modifiers, and defining the semantics of those...

Tài liệu Báo cáo khoa học: "Exploring the Use of Linguistic Features in Domain and Genre Classification" potx

... the class of the majority of the items which reached it during training. The trees were grown using recursive partitioning; the splitting criterion was reduction in deviance. Using the Gini ... for the LPE experiments because of the ceiling effect and the small size of the complete data set, therefore, we did not rerun the corresponding experiments. Furthermore, the number of codebook ... From the complete set of documents, we con- structed three pairs of training and test sets for training the feature classifiers. The test sets are mutually disjunct; each of them contains 5...

Tài liệu Báo cáo khoa học: "ON THE REPRESENTATION OF QUERY TERM RELATIONS BY SOFT BOOLEAN oPERATORS" ppt

... component in most text retrieval systems is confined to a recognition of noun phrases of the type normally included in back -of -the- book indexes, and an identification of related terms included in ... corresponding operator. The higher the p-value attached to an operator, the closer is the interpretation of that operator in accordance with the rules of ordinary Boolean logic. On the other ... CISI. The performance in Table 1 is stated in terms of the search Dreclslon at various ~ points averaged over the set of search requests in use. [19] The data of Table 1 indicate that the conven-...

Báo cáo khoa học: On the mechanisms of glycolytic oscillations in yeast potx

... Annotations of the major components. (B) Interpretation of the data discussed in the text. In this panel, the phases of ATP andG6P have been ﬂipped 180°, indicating the relative phases of the minima of ... acontemporary point of view, the theoretical motivationfor the application of the crossover theorem in the analysis of glycolytic oscillations is weak [27].Another argument in favour of the PFK hypothesisis ... interacting modes. The properties of these modes are sothat one mode activates the other, while the other inhibits the ﬁrst. The occurrence of the maxima of these two modesis separated in time...

Báo cáo khoa học: "Assessing the Role of Discourse References in Entailment Inference" pptx

... for inference. In another 28%,references could optionally support the inference of the hypothesis. In the remaining 28%, refer-ences did not contribute towards inference. The total number of ... frameworkfor modeling semantic inference. TE reduces the inference requirements of many text understand-ing applications to the problem of determiningwhether the meaning of a given textual ... However, of- ten they are context-speciﬁc. Consider the follow-ing sentence as T for the hypothesis H: The iceis melting in the Arctic”:(3) T : The scene at the receding edge of the ExitGlacier...

Báo cáo khoa học: "Assessing the Costs of Sampling Methods in Active Learning for Annotation" potx

... cor-responding value of the cost on the random baselineis estimated by interpolation between neighboringpoints on the baseline. Using hourly cost, Figure 2shows the cost reduction curves of several ... expand the goal of ALto produce the annotated setÂ such that the benefitgained is maximized and cost is minimized. In the case of POS tagging, tag accuracy is usu-65ally used as the measure of ... uni-form cost of annotating each item. In this case, the ordering of annotated data A will depend entirely on the algorithm’s estimate of the expected benefit.However, for AL in POS tagging, the cost...

Báo cáo khoa học: "A COMPOSITIONAL SEMANTICS OF TEMPORAL EXPRESSIONS IN ENGLISH" pptx

... logic time-dependency of information enters into the definition of the notion of a proposition. Propositions are defined as functions from a set of times TI to the set of truth values true ... from the perspective of the present in the case of the present perfect. Given the distinction between reference time and event time, one can then formalize Reichenbach's analysis of the ... verb meanings, but not over any larger elements in a sentence, and 2. verb meanings as well as noun meanings are indexi- cal in the sense their interpretations depend on the context of the utterance...

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