Báo cáo khoa học: "Applying Explanation-based Learning to Control and Speeding-up Natural Language Generation" potx
Báo cáo khoa học: "Applying Machine Learning to Chinese Temporal Relation Resolution" pptx
... of the indicators BEFORE and AFTER respectively. Consider the most extreme case where an event consists of at most 4 temporal indicators before and 2 after. We set m and n to 4 and 2 initially. ... be-longing to ci. 4 Experiment Setup and Evaluation Several experiments have been designed to evalu-ate the proposed learning approaches and to reveal the impact of linguistic features on learning ... Experiments show that learning performance drops when m>4 and n>2 and there is only very little difference otherwise (i.e. when m≤4 and n≤2). In addition to temporal indicators alone, the...
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Tài liệu Báo cáo khoa học: "Coreference for Learning to Extract Relations: Yes, Virginia, Coreference Matters" ppt
... expensive and time-consuming to create. 2 Throughout we will use relation instance to refer to a fact (e.g. ORGHasEmployee(Apple, Steve Jobs)), while we will use relation text to refer a ... predicate-argument structure and em-ploy coreference. Section 3 describes our particular approach to pattern and relation instance scoring and selection. Another research strand (Chen et al., 2006 ... ORGEmploys and GPEEmploys, +Coref and –Coref have very different trajectories during train-ing. For example, in the first iteration, –Coref learns patterns involving director, president, and head...
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Tài liệu Báo cáo khoa học: " Applying Co-Training to Reference Resolution" ppt
... manual labeling work and still produce a classifier with an ac-ceptable performance.1 IntroductionA major obstacle for natural language processingsystems which analyze natural language texts orutterances ... began to experiment withweakly supervised machine learning algorithmssuch as Co-Training (Blum and Mitchell, 1998).Among others Co-Training was applied to documentclassification (Blum and Mitchell, ... texts from the tourism domain inorder to provide answers to the following questions:Does Co-Training work at all for this task(when compared to conventional C4.5 decisiontree learning) ?How...
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Báo cáo khoa học: "Using Machine-Learning to Assign Function Labels to Parser Output for Spanish" ppt
... success-fully to other languages and treebank re-sources. In addition to tag assignment ac-curacy and f-scores we also present re-sults of a task-based evaluation. We usethree machine -learning ... context means greater susceptibility to parse errors. Another factor to consider is the factthat we trained and adjusted parameters on gold-standard trees, and the model learned may rely onfeatures ... attributed to two main factors. Firstly,the mapping from Cast3LB tags to LFG grammat-ical functions is not one -to- one. For example threeCast3LB tags (CC, MOD and ET) are all mapped to LFG ADJUNCT....
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Báo cáo khoa học: "Using Machine Learning to Explore Human Multimodal Clarification Strategies" ppt
... distribu-tions into account and help to avoid sparse data.Second, most of our features are highly positivelyskewed. Some ML methods (such as the standardextension of the Na¨ıve Bayes classifier to handlenumeric ... lead to repetitive action, i.e. if a screen output was onceshown to this user, and the user has previouslyused or referred to the screen, the screen will beused over and over again.For learning ... generation and input leads to more robust interaction (Oviatt, 2002) and re-duced cognitive load (Oviatt et al., 2004). In thispaper we investigate the use of machine learning (ML) to explore...
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Báo cáo khoa học: "Using Machine Learning to Maintain Rule-based Named-Entity Recognition and Classification Systems" pdf
... 1998).ThesystemdevelopedforItalianinECRAN(Cuchiarelli et al., 1998), uses unsupervised learning to expand a manually constructed sys-tem and improve its performance. The learning algorithm tries to supplement the manually con-structed ... labelledexamples are used to train the classifiers and then, unlabelled examples are presented to theclassifiers. Examples that cause the classifiers to disagree are good candidates to retrain the clas-sifiers ... consists of a lexicon and a grammar. The lexicon is a set of NEs thatare known beforehand and have been classifiedinto semantic classes. The grammar is used to recognize and classify NEs that...
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Báo cáo khoa học: "Using Reinforcement Learning to Build a Better Model of Dialogue State" pdf
... student state and what are the bestactions for a tutor to consider, one must have aflexible system that allows one to easily test dif-ferent configurations of states and actions. To ac-complish ... collapsing functions allowthe user to easily constrain the trajectory space. To further reduce the search space for the MDP, ourtool allows the user to specify a threshold to com-bine states that occur ... way to approximate their learning gain in the middle ofa session.The output of the tool is a probability matrixover the user-specified states and actions. Thismatrix is then passed to an MDP toolkit...
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Báo cáo khoa học: "A Uniform Approach to Underspecification and Parallelism" doc
... unification, and present some results about its formal proper- ties and its relation to other formalisms. Section 3 demonstrates the application to scope underspeci- fication, to ellipsis, and to the ... source and the target clause (i.e., the first and the second clause of a parallel construction; the termi- nology is taken over from the ellipsis literature), and Xcs and Xct to refer to the ... 1993. Reference to abstract objects in discourse. Kluwer, Dordrecht. Bander, F. and J. Siekmann. 1993. Unification the- ory. In D. Gabbay, C.J. Hogger, and J.A. Robinson, editors, Handbook of...
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Tài liệu Báo cáo khoa học: "The Use of Ooject-Special Knowledge in Natural Language Processing" doc
... by adding the new state information to the token in the ACTOR slot of the state description. Thus the bottle token is updated to include the gtven CONNECTOR description. For the purposes ... ta important to understand how OPUS differs from previous inference strateKies in natural language processing. To emphasize the original contributions of OPUS we will compare it to Rie~er's ... attached to each object token. This dtagrem represents the assertion that John did something which caused the bottle to assume a state where its CONNECTOR description applied. The CONNECTOR description...
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Tài liệu Báo cáo khoa học: "TOWARDS A CORE VOCABULARY FOR SYSTEM A NATURAL LANGUAGE" potx
... take into account tile research goals pursued. For a natural language system which is sup- posed to analyze and generate texts, to engage in dialogues with users, and which is to acquire ... Motiva!ion Rcasearch on natural language processing sys- tems today strives for the construction of robust and portable systems) A system is robust, if it can handle a large variety of user ... attributed to subject matter. 13ul personal pronouns, in par- ticular 1st and 2nd person pronouns, also show a much higher frequency, and this can hardly be attrihutcd to subject matter, rather to...
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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 sảnMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPBiện 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 LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo 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 vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIChiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015HIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMMÔN TRUYỀN THÔNG MARKETING TÍCH HỢPQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ