Báo cáo khoa học: "A Morphological Analyzer and Generator for the Arabic Dialects" pdf

... a morphological analyzer and generator for the Arabic lan-guage family. Our work is novel in thatit explicitly addresses the need for pro-cessing the morphology of the dialects.MAGEAD performs ... morphological analyzer for Levantinecurrently, the before-ﬁles are the result of running the MSA Buckwalter analyzer on the Levantine to-ken, with many of the analyses incorrect, and only the ... morphologi-cal analyzer and generator for the Arabic languagefamily, by which we mean both Modern Standard Arabic (MSA) and the spoken dialects.1Our workis novel in that it explicitly addresses the...

Tài liệu Báo cáo khoa học: "A New Dataset and Method for Automatically Grading ESOL Texts" pdf

... a ceiling for the perfor-mance of our system, we calculate the average corre-lation between the CLC and the examiners’ scores, and ﬁnd an upper bound of 0.796 and 0.792 Pear-son’s and Spearman’s ... Spearman’s correlation of the AA system pre-dicted values with the CLC and the examiners’ scores,where E1 refers to the ﬁrst examiner, E2 to the secondetc.to the upper bound for the task. Human–machineagreement ... 0.611 between the estimated and the true CLC er-ror counts. This suggests that there is room for im-provement in the language models we developed toestimate the error-rate. In the experiments...

Báo cáo khoa học: "A Morphological Analysis Based Method for Spelling Correction" docx

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Tài liệu Báo cáo khoa học: "Nonlinear Evidence Fusion and Propagation for Hyponymy Relation Mining" pdf

...  One the other hand, if we simply count the total number of supporting sentences, the score of L2 will be larger. The rationale implied in the formula is: For a given term T, the labels ... on the gain score of the original real sup-porting sentence, the similarity between the two terms, and the propagation factor. Phase II: The nonlinear evidence combination formulas in the ... sentences are constructed for a term from the sup-porting sentences of its neighbors in the similarity graph. Then we calculate the label scores for terms based on their (pseudo and real) supporting...

Báo cáo khoa học: "A Study on Convolution Kernels for Shallow Semantic Parsing" pdf

... Fp,a.(2) if the productions at nx and nzare the same, and nx and nzare pre-terminals then∆(nx, nz) = 1;(3) if the productions at nx and nzare the same, and nx and nzare not ... Position and Voice. Table 1presents the standard features and exempliﬁeshow they are extracted from the parse tree inFigure 1. For example, the Parse Tree Path feature rep-resents the path in the ... ↑ VP↓ NP for Arg1.- Position: Indicates if the constituent, i.e. the potentialargument, appears before or after the predicate in the sentence, e.g. after for Arg1 and before for Arg0.-...

Báo cáo khoa học: "Coupling Label Propagation and Constraints for Temporal Fact Extraction" pdf

... conducted in the soccer and the celebrity domain by considering the works-ForClub and isMarriedTo relation, respectively. For each person in the “FIFA 100 list” and “Forbes 100list” we retrieve their ... stages, where the ﬁrst collectscandidate sentences, the second mines patterns from the candidates sentences, the third extracts temporalfacts from the sentences utilizing the patterns and the last ... 80,000 documents for the soccerdomain and 370,000 documents for the celebrity do-main from BBC, The Telegraph, Times Online and ESPN by querying Google’s News Archive Search1in the time window...

Báo cáo khoa học: "A Morphologically Sensitive Clustering Algorithm for Identifying Arabic Roots" docx

... Even though the second and third data sets informed the modifications to a limited extent, their resultsshow that the improvements stood up to freetext. For the second data set, the Two-stagealgorithm ... the SC to yield, for each data set, the highest number of correct multi-word clusters.Note that the higher the SC cut-off, the lesslikely that words will cluster together, and the more single ... clusters, and sometimes did better. Weakletters and the overlap between root and affixconsonants continue to cause interference.Nonetheless, the results are promising and suggest that the approach...

Báo cáo khoa học: "A Discriminative Latent Variable Model for Statistical Machine Translation" pdf

... maximises the conditionallikelihood of the data, p(e|f ), where e and f are the English and foreign sentences, respectively. Our es-timation method is theoretically sound, avoiding the biases of the ... inside-outsideinference over the feature forest defined by the SCFG parse chart of f yielding the partition func-tion, ZΛ(f ), required for the log-likelihood, and the marginals, required for its derivatives.Efficiently ... train the system, the better the performance.However, as the performance is still increasing sig-nificantly when all the parseable sentences are used,it is clear that the system’s performance...

Báo cáo khoa học: "A Figure of Merit Technique for the Resolution of Non-Grammatical Ambiguity" ppt

... probability that the target equivalent Wk and the Group N have occurred together. The joint frequency measure of the combined occurrence of the target equivalent Wk and the Group N is denoted ... quantities, the conditional probability measure, the marginal frequency measure, and the joint frequency measure,—were calculated for the 3400 English words occurring in the sample used. These values ... the source language text are selected, and their target equivalents along with their joint frequency measures are noted and arranged in a tabular form. The joint frequency measures of the...

Báo cáo khoa học: "A Voice Enabled Procedure Browser for the International Space Station" pot

... Clarissa is the ﬁrst spoken dialogueapplication in space. The system includes commands for navigation:forward, back, and to arbitrary steps. Other com-mands include setting alarms and timers, ... subsequentlygoes past step 17 of the subprocedure, the systemwarns that the user has gone past the required steps, and suggests that they close the procedure.Other important types of divergences ... match ei-ther the surface strings produced by both the statisti-cal and grammar-based architectures, or the logicalforms produced by the grammar-based architecture.Table 1 presents the result...

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