A fast quantum mechanical algorithm for database search pptx
A fast quantum mechanical algorithm for database search pptx
... which are relatively easy ascompared to operations required for other quantum mechanical algorithms [BCDP96].(ii) Quantum mechanical algorithms based on theWalsh-Hadamard transform are likely ... possible quantum mechanical algorithm. 1.2 Quantum Mechanical Algorithms A goodstarting point to think of quantum mechanical algo-rithms is probabilistic algorithms [BV93] (e.g. simu-lated annealing). ... related operationcalled the Fourier Transformation) is one of the thingsthat makes quantum mechanical algorithms more pow-erful than classical algorithms and forms the basis for most significant...
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Báo cáo khoa học: "A Beam-Search Extraction Algorithm for Comparable Data" pptx
... 2005). For a given source sentence S, a max-imum entropy (ME) classifier is appliedto a large set of candidate target transla-tions . A beam -search algorithm is usedto abandon target sentences as ... trained on Europarl andJRC data. Parallel sentence pairs are extractedfrom comparable news data published in 2006. For this data, no document-level information wasavailable. To gauge the effect ... in-crementally at the word level and apply a beam- search algorithm to a large number of sentences.We abandon target sentences early on during clas-sification if they fall outside the beam. For com-parison...
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Báo cáo khoa học: "A Fast and Accurate Method for Approximate String Search" pptx
... develop a data structure and algorithm that can facilitate efficient retrieval of thetop k candidates.In this paper, we propose a probabilistic approachto the task. Our approach is novel and unique ... following aspects. It employs (a) a log-linear(discriminative) model for candidate generation, (b)an effective algorithm for model learning, and (c) anefficient algorithm for candidate retrieval.The ... multiple transformationsapplicable, and it is not realistic to assume that suchinformation can be provided by humans or automat-ically derived. (It is relatively easy to automaticallyfind the pairs...
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Tài liệu Báo cáo khoa học: "A Fast, Accurate Deterministic Parser for Chinese" pdf
... outputs this as a partial parse. Sagae andLavie (2005) have shown that this algorithm haslinear time complexity, assuming that classifica-tion takes constant time. The next example il-lustrates the ... for many practical applications.Deterministic parsing has emerged as an attrac-tive alternative to probabilistic parsing, offeringaccuracy just below the state-of-the-art in syn-tactic analysis ... input has already been segmented andtagged with part-of-speech (POS) informationduring a preprocessing step1. The main data struc-tures used in the parsing algorithm are a queue and a stack....
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Báo cáo khoa học: "A Progressive Feature Selection Algorithm for Ultra Large Feature Spaces" doc
... area (Ratnaparkhi et al., 1994; Ber-ger et al., 1996; Pietra et al, 1997; Zhou et al., 2003; Riezler and Vasserman, 2004) In the most basic approach, such as Ratna-parkhi et al. (1994) and ... Conditional Maximum Entropy (CME) modeling has received a great amount of attention within natural language processing community for the past decade (e.g., Berger et al., 1996; Reynar and Ratnaparkhi, ... Zhang and Weng (2005). In this work, we use a total of 62 variables, which include 161 variables from Charniak and Johnson (2001) and Johnson and Charniak (2004), an additional 29 variables...
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Báo cáo khoa học: "A Morphologically Sensitive Clustering Algorithm for Identifying Arabic Roots" docx
... identification on a scaleuseful for IR remains problematic.Research on Arabic IR tends to treat automaticindexing and stemming separately. Al-Shalabiand Evans (1998) and El-Sadany and Hashish(1989) ... U.K.deroe@essex.ac.ukWaleed AL-FARESComputer Science DepartmentCollege of Business Studies,Hawaly, Kuwaital-fareswaleed@usa.netAbstractWe present a clustering algorithm for Arabicwords sharing the same ... patterns are formulatedas variations on the characters f?L (pronouncedas f'l - ? is the symbol for ayn, a strong glottalstop), where each of the successive consonantsmatches a character...
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Báo cáo khoa học: " A simple pattern-matching algorithm for recovering empty nodes and their antecedents∗" pot
... displayedin Figure 1.accuracy of transitivity labelling was not systemati-cally evaluated here.2.2 Patterns and matchingsInformally, patterns are minimal connected treefragments containing an ... general, and can serveas a benchmark against which more complex ap-proaches can be evaluated.NPNPDTtheNNmanSBARSNPNNPSamVPVBZ tlikesFigure 2: A typical parse tree produced by broad-coverage ... system architecture (including the parser)is an instance of the “transform-detransform” ap-proach advocated by Johnson (1998). The algorithm has two phases. The first phase of the algorithm extracts...
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Báo cáo khoa học: "A Trainable Rule-based Algorithm for Word Segmentation" pdf
... ~ x Ay Move from after A to before A any xAB y ~==e, x ABy Move from after bigram AB to before AB any Move from after trigram ABC to before ABC any Figure 1: Possible transformations. A, B, ... training data. If we treat the output of an existing segmentation algorithm 3 as the initial state and the desired seg- mentation as the goal state, we can perform a series of transformations ... all the rules are purely character-based, a sequence can be learned for any character set and thus any language. We used our rule-based algorithm to improve the word segmen- tation rate for...
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A Bayesian network approach to the database search problem in criminal proceedings docx
... problem,’ ‘Bayesian network for a database search setting: suspect and one other individual in the database, ’ ‘Bayesian network for a search of a database ofsize n > 2,’ and ‘Discussion and conclusions’.MethodsPreliminariesIn ... Taroni1AbstractBackground: The database search problem’, that is, the strengthening of a case - in terms of probative value -against an individual who is found as a result of a database search, ... of searchingdatabases containing analytical characteristics that serveas a basis for comparative forensic examinations appliesalso to other kinds or categories of scientific evidence[9]. Although...
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Báo cáo khoa học: "A Polynomial-Time Parsing Algorithm for TT-MCTAG" pot
... proposed for natural languages (seeChen-Main and Joshi (2007) for an overview), itseems that there are no important natural languagephenomena that can be described by LCFRS andnot by TT-MCTAG. Any ... generate only polynomial lan-guages but their generative capacity is too limitedto deal with all natural language phenomena. Thishas been argued for tree-local and even set-localMCTAG on ... 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 994–1002,Suntec, Singapore, 2-7 August 2009.c2009 ACL and AFNLP A Polynomial-Time Parsing Algorithm for TT-MCTAGLaura KallmeyerCollaborative...
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Từ khóa: a genetic algorithm for generating jazz solosa new algorithm for generating prime implicantsa new algorithm for generating pythagorean triplesa genetic algorithm for generating improvised musica sequential algorithm for generating random graphsNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namGiáo 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 SLIDEQuản 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 ninhTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThơ nôm tứ tuyệt trào phúng hồ xuân hươngQuản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ