A fast quantum mechanical algorithm for database search pptx

A fast quantum mechanical algorithm for database search pptx

A fast quantum mechanical algorithm for database search pptx

... which are relatively easy as compared to operations required for other quantum mechanical algorithms [BCDP96]. (ii) Quantum mechanical algorithms based on the Walsh-Hadamard transform are likely ... possible quantum mechanical algorithm. 1.2 Quantum Mechanical Algorithms A good starting point to think of quantum mechanical algo- rithms is probabilistic algorithms [BV...

Ngày tải lên: 30/03/2014, 13:20

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Báo cáo khoa học: "A Beam-Search Extraction Algorithm for Comparable Data" pptx

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 applied to a large set of candidate target transla- tions . A beam -search algorithm is used to abandon target sentences as ... trained on Europarl and JRC data. Parallel sentence pairs are extracted from comparable news data published in 2006. For this data, no document-level information was available....

Ngày tải lên: 17/03/2014, 02:20

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Báo cáo khoa học: "A Fast and Accurate Method for Approximate String Search" pptx

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 the top k candidates. In this paper, we propose a probabilistic approach to 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) an efficient algorithm f...

Ngày tải lên: 30/03/2014, 21:20

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Tài liệu Báo cáo khoa học: "A Fast, Accurate Deterministic Parser for Chinese" pdf

Tài liệu Báo cáo khoa học: "A Fast, Accurate Deterministic Parser for Chinese" pdf

... outputs this as a partial parse. Sagae and Lavie (2005) have shown that this algorithm has linear 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, offering accuracy just below the state-of-the-art in syn- ta...

Ngày tải lên: 20/02/2014, 12:20

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Báo cáo khoa học: "A Progressive Feature Selection Algorithm for Ultra Large Feature Spaces" doc

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 R...

Ngày tải lên: 17/03/2014, 04:20

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

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

... identification on a scale useful for IR remains problematic. Research on Arabic IR tends to treat automatic indexing and stemming separately. Al-Shalabi and Evans (1998) and El-Sadany and Hashish (1989) ... U.K. deroe@essex.ac.uk Waleed AL-FARES Computer Science Department College of Business Studies, Hawaly, Kuwait al-fareswaleed@usa.net Abstract We present a clustering algorithm fo...

Ngày tải lên: 17/03/2014, 07:20

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Báo cáo khoa học: " A simple pattern-matching algorithm for recovering empty nodes and their antecedents∗" pot

Báo cáo khoa học: " A simple pattern-matching algorithm for recovering empty nodes and their antecedents∗" pot

... displayed in Figure 1. accuracy of transitivity labelling was not systemati- cally evaluated here. 2.2 Patterns and matchings Informally, patterns are minimal connected tree fragments containing an ... general, and can serve as a benchmark against which more complex ap- proaches can be evaluated. NP NP DT the NN man SBAR S NP NNP Sam VP VBZ t likes Figure 2: A typical parse tree produced...

Ngày tải lên: 17/03/2014, 08:20

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Báo cáo khoa học: "A Trainable Rule-based Algorithm for Word Segmentation" pdf

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 transform...

Ngày tải lên: 17/03/2014, 23:20

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A Bayesian network approach to the database search problem in criminal proceedings docx

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 of size n > 2,’ and ‘Discussion and conclusions’. Methods Preliminaries In ... Taroni 1 Abstract Background: The database search problem’, that is, the strengthening of a case - in terms of probative value - agai...

Ngày tải lên: 23/03/2014, 12:20

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Báo cáo khoa học: "A Polynomial-Time Parsing Algorithm for TT-MCTAG" pot

Báo cáo khoa học: "A Polynomial-Time Parsing Algorithm for TT-MCTAG" pot

... proposed for natural languages (see Chen-Main and Joshi (2007) for an overview), it seems that there are no important natural language phenomena that can be described by LCFRS and not by TT-MCTAG. Any ... generate only polynomial lan- guages but their generative capacity is too limited to deal with all natural language phenomena. This has been argued for tree-local and even set-local MC...

Ngày tải lên: 23/03/2014, 16:21

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