Báo cáo khoa học: "Learning to Transform and Select Elementary Trees for Improved Syntax-based Machine Translations" ppt
Báo cáo khoa học: "Learning to Transform and Select Elementary Trees for Improved Syntax-based Machine Translations" ppt
... Association for Computational Linguistics, pages 846–855,Portland, Oregon, June 19-24, 2011.c2011 Association for Computational LinguisticsLearning to Transform and Select Elementary Trees for Improved Syntax-based ... Discussions and ConclusionsWe proposed a framework to learn models to predicthow to transform an elementary tree into its simplifiedforms for better executing the word reorderings. Twotypes of operators ... This is to further disambiguatethe transformed subgraphs so that informative neighbor-ing nodes and edges can influence the reordering prefer-ences for each of the transformed trees. For instance,...
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Tài liệu Báo cáo khoa học: "Learning to Find Translations and Transliterations on the Web" doc
... engine, and automatically annotating the snippets with tags and features for training a conditional random field model. At run-time, the model is used to extracting translation candidates for ... describe and evaluate a multi-stage machine translation method for back transliterating English names into Japanese, while Bian and Chen (2000) describe cross-language information access to multilingual ... query to a search engine to retrieve snippets, and generate features for each tokens in the same way as done in the training phase. We then use the trained model to tag the snippets, and extract...
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Báo cáo khoa học: "Learning to Translate with Source and Target Syntax" pot
... decoder has to store in each hypothesis the source and targetroot labels of the partial derivation, but these la-bels are used for calculating feature vectors only and not for checking well-formedness ... bitexts, and one on two billion words of English. These weresmoothed using modified Kneser-Ney (Chen and Goodman, 1998) and stored using randomized datastructures similar to those of Talbot and Brants(2008).The ... fuzzytree -to- tree extraction lies in its ability to break upflat structures and to reconcile the source and target trees with each other, rather than multiple restruc-turings of the training trees. 4.3...
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Báo cáo khoa học: "Learning to Grade Short Answer Questions using Semantic Similarity Measures and Dependency Graph Alignments" ppt
... instructor answer and the student answer.In all, the application of the three transforma-tions leads to eight different transform combina-tions, and therefore eight different alignment scores. For ... Support Vec-tor Machines (SVM) to produce a combined real-number grade. Finally, we build an Isotonic Regres-sion (IR) model to transform our output scores ontothe original [0,5] scale for ease ... alignment-based scores by applying various transformations to the input graphs, the node matching function, and the alignment score itself.The first and simplest transformation involves thenormalization...
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Báo cáo khoa học: "Learning to predict pitch accents and prosodic boundaries in Dutch" ppt
... perword form token. An excerpt of the annotated datawith all generated symbolic and numeric1features ispresented in Table 1.Word forms (Wrd) – The word form tokens formthe central unit to which ... terms of feature selection and classifierparameters gives rise to significant improvements inperformance. In this paper, therefore, we optimizeboth CART and MBL individually and per task, us-ing ... different annotators, and were corrected in a second stage, again without over-lap, by two corrector-annotators. The annotators’task was to indicate the locations of accents and/ orbreaks that...
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Tài liệu Báo cáo khoa học: "Learning to Translate with Multiple Objectives" doc
... weight vector w, takes in a foreign sen-tence f and returns a translated hypothesis h. Theargmax operates in vector space and our goal is to find w leading to hypotheses on the Pareto Frontier.In ... features. Machine Trans-lation, 23(2-3).Kishore Papineni, Salim Roukos, Todd Ward, and Wei-Jing Zhu. 2002. BLEU: A method for automatic eval-uation of machine translation. In ACL.Vilfredo Pareto. ... without the need for sampling.4.2 ResultsFigures 2 and 3 show the results for PubMed and NIST, respectively. A method is better if its ParetoFrontier lies more towards the upper-right hand cor-ner...
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Tài liệu Báo cáo khoa học: "Learning to Follow Navigational Directions" pdf
... to the first author and awardIIS-0811974 to the second author and by the AirForce Research Laboratory (AFRL), under primecontract no. FA8750-09-C-0181. Thanks to Michael Levit and Deb Roy for ... respect to two metrics: the orderin which we visit landmarks and the side we passthem on. To determine the order Pevisits landmarks wecompute the minimum distance from Pe to eachlandmark, and ... allocentric (landmark-centered) features. For example, the top left figure showsthat when the word above occurs, our policy prefers to go to the north of the target landmark. The bottomrow shows...
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Tài liệu Báo cáo khoa học: "Learning Accurate, Compact, and Interpretable Tree Annotation" ppt
... work. For example, the wh-determiners (WDT) split into one class for that and an-other for which, while the wh-adverbs align by refer-ence type: event-based how and why vs. entity-basedwhen and ... independent. In fact, extra subsymbols mayneed to be added to several nonterminals before theycan cooperate to pass information along the parse tree.Therefore, we go in the opposite direction; that ... the parsing time by a factor of16.3 AnalysisSo far, we have presented a split-merge method for learning to iteratively subcategorize basic symbolslike NP and VP into automatically induced subsym-bols...
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Tài liệu Báo cáo khoa học: "Learning to Compose Effective Strategies from a Library of Dialogue Components" doc
... Walker, 2000; Scheffler and Young, 2002; Peek and Chickering, 2005; Frampton and Lemon, 2006), for selecting initiative and con-firmation strategies (Singh et al., 2002); for detect-ing speech ... effectivedialogue strategies for information seeking spo-ken dialogue systems, and in particular the use ofreinforcement learning methods to learn policies for action selection in dialogue management ... be-forehand which of them would be most effective.The automatically generated dialogue policy isvery similar (see Table 4) –but arguably improved inmany details– to the hand-designed policy for...
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Tài liệu Báo cáo khoa học: "Learning to Recognize Tables in Free Text" pptx
... misleading and at worst may lead to erroneous analysis of the text. As tables contain important data and information, it is critical for an information extraction system to be able to extract ... conducted ten random trials and then averaged the accuracy over the ten trials. In each random trial, 20% of the texts are randomly chosen to serve as the texts for testing, and the remaining ... about 6 and 30 mil (between about 6 and 30 point chip board). Insulation Mineral wool, having a density of between 2.5 and 6.0 pounds per cubic foot and a thickness of between 1/4 and 1 and...
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Từ khóa: báo cáo khoa học mẫubáo cáo khoa học y họcbáo cáo khoa học sinh họcbáo cáo khoa học nông nghiệpbáo cáo khoa học lâm nghiệpbáo cáo khoa học thủy sảnNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngchuyên đề điện xoay chiều theo dạngBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngThơ nôm tứ tuyệt trào phúng hồ xuân hươngChuong 2 nhận dạng rui roKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ