Báo cáo khoa học: "An Ensemble Model that Combines Syntactic and Semantic Clustering for Discriminative Dependency Parsing" pptx

Tài liệu Báo cáo khoa học: "Using Smaller Constituents Rather Than Sentences in Active Learning for Japanese Dependency Parsing" docx

... many algorithms that have sucha framework, which include (Yamada and Mat-sumoto, 2003) for English and (Kudo and Mat-sumoto, 2002; Iwatate et al., 2008) for Japanese.Therefore, effective ... and have touse a parsing algorithm that can be trained fromincompletely annotated sentences. Therefore, it isdifﬁcult to use some of probabilistic models for parsing.45 Active Learning for ... “O”} actually means that the j-thbunsetsu modiﬁes th l-th one such that i < l. That is “O” does not simply mean that two bunsetsusdoes not have a dependency relation. Therefore,we should not...

Tài liệu Báo cáo khoa học: "An Unsupervised Model for Joint Phrase Alignment and Extraction" ppt

... 5-gram model. For GIZA ++, we use the standard training reg-imen up to Model 4, and combine alignmentswith grow-diag-final -and. For the proposedmodels, we train for 100 iterations, and use the ... noted that forcing align-ments smaller than the model suggests is only used for generating alignments for use in heuristic extrac-tion, and does not affect the training process.5.2 Model- Based ... phrase pair. Itwill be high for common phrase pairs that are gen-erated directly from the model, and also for phrases that, while not directly included in the model, arecomposed of two high...

Tài liệu Báo cáo khoa học: "An Ensemble Method for Selection of High Quality Parses" pdf

... higher. Figure 1 demonstratesthese phenomena for two leading models, Collins(1999) model 2, a generative model, and Charniak and Johnson (2005), a reranking model. The parseradaptation scenario is ... parsing models only.Ngai and Yarowsky (2000) used an ensemble based on bagging and partitioning for active learning for base NP chunking. They select top items with-out any graded assessment, and ... lines) and Charniak (bottom two lines) model, in the twoscenarios (in-domain and adaptation), vs. the min-imum length (ML lines 1 and 3) and conﬁdence(CB, lines 2 and 4) baselines, using N = 20 and S...

Tài liệu Báo cáo khoa học: "An Alignment Algorithm using Belief Propagation and a Structure-Based Distortion Model" pdf

... iterations of model 1, 5 of Hmm, 3 of model 3,3 of model 4) and also tried with increased numberof iterations for each model (up to 10 per model) .We are aware that the score we obtained for model ... data and with no possibilities for ﬁne-tuning; therefore thecomparison should be fair.The comparison show that performance-wise,the monolink algorithm is between the model 2 and the model 3 for ... expected that infor-mation provided by parsers would have been morerelevant for the distortion model. It might be anindication that the structure of English and Frenchis so close that knowing...

Tài liệu Báo cáo khoa học: Pyruvate reduces DNA damage during hypoxia and after reoxygenation in hepatocellular carcinoma cells pptx

... weshowed that cells had a greater need for pyruvate during hypoxia. Pyruvatedecreased the number of DNA breaks, and might favor DNA repair. Wedemonstrated that pyruvate was a precursor for the ... during and after hypoxia.In the present study, we showed that cells had agreater need for pyruvate during hypoxia. Pyruvatedecreased DNA breaks and might favor DNA repair.We demonstrated that ... content (oxidized and reduced forms) was assayed in the cells immedi-ately after incubation (6 h), and 1 and 2 h after reoxy-genation (Fig. 4).Under normoxia, intracellular reduced and oxidizedglutathione...

Báo cáo khoa học: "Bilingual Hebrew-English Generation of Possessives and Partitives: Raising the Input Abstraction Level" pptx

... preference ranking among com- petitors for the same syntactic slot. For ex- ample, we have shown in (Dahan-Netzer and Elhadad, 1998b) that the semantic relations that can be realized by a construct ... and existing analyses about possessives and partitives in Hebrew and English. We then present the input fea- tures we have designed to cover possessives and partitives in both languages and ... paraphrasing and (2) to make it easy for the sentence planner to map from semantic data to syntactic input As new applications appear, that can- not start generation from a semantic in- put because...

Tài liệu Báo cáo khoa học: An anthrax lethal factor mutant that is defective at causing pyroptosis retains proapoptotic activity pdf

... suggesting that LeTx could potentially be used as a cancer therapeutic[21].We performed random mutagenesis on the catalyticdomain of LF, and screened the resulting mutants for ones that were ... 10)8M PA and theindicated concentrations of either wild-type (WT) LF or LF-K518E ⁄ E682G for 1 h, and then treated with lipopolysaccharide for 15 min. Cellu-lar lysates were made and probed for ... either wild-type (WT) LF orLF-K518E ⁄ E682G for 2 h, and then treated with 2.5 lgmL)1aniso-mycin for 15 min. Cellular lysates were prepared, and probed for phosphorylated MAPKs. Values indicate...

Tài liệu Báo cáo khoa học: "An Affect-Enriched Dialogue Act Classification Model for Task-Oriented Dialogue" doc

... Note that kappa statistics adjust for the accuracy that would be expected by majority-baseline chance; a kappa statistic of zero indicates that the classifier performed equal to chance, and ... mod-el for tutorial dialogue, and the results demonstrate that facial expressions hold great promise for dis-tinguishing the pedagogically relevant dialogue act REQUEST FOR FEEDBACK, and the ... Association for Computational Linguistics, pages 1190–1199,Portland, Oregon, June 19-24, 2011.c2011 Association for Computational LinguisticsAn Affect-Enriched Dialogue Act Classification Model for...

Tài liệu Báo cáo khoa học: "An Entity-Mention Model for Coreference Resolution with Inductive Logic Programming" pdf

... mention-pair model for coref-erence resolution cannot capture informationbeyond mention pairs for both learning and testing. To deal with this problem, we presentan expressive entity-mention model that ... (entity-mention model) a good classiﬁer learner for the mention-pair model. The ﬁfth line of Table 4 is for the ILP based entity-mention model (described in Section 4.2). We canobserve that the model ... “Mr. Powell”, and therefore refers to a maleperson and cannot co-refer with “she”.The entity-mention model based on Eq. (2) per-forms coreference resolution at an entity-level. For simplicity,...

Báo cáo khoa học: "An exponential translation model for target language morphology" pptx

... word form were subjected to several restric-tions:• For nouns, generated forms had to match theoriginal form for number.• For verbs, generated forms had to match theoriginal form for tense and ... negation.• For adjectives, generated forms had to matchthe original form for degree of comparison and negation.• For pronouns, excepting relative and interrog-ative pronouns, generated forms had ... matchthe original form for number, case, and gender.• Non-standard inﬂection forms for all POS wereexcluded.The following criteria were used to select rules for which expanded inﬂection sets...

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