Xem 1-20 trên 986 kết quả Correlation
  • This book provides a practical approach for MR imaging of the focal and diffuse liver lesions based on the state-of-the-art MR imaging sequences, computer-generated drawings, concise figure captions, relevant and systematic (differential) diagnostic information, recent literature references, and patient management possibilities. MR imaging findings are correlated to ultrasound, computed tomography, and pathology when appropriate.

    pdf263p echbuon 02-11-2012 32 13   Download

  • Under explicit diophantine conditions on (α, β) ∈ R2 , we prove that the local two-point correlations of the sequence given by the values (m − α)2 + (n−β)2 , with (m, n) ∈ Z2 , are those of a Poisson process. This partly confirms a conjecture of Berry and Tabor [2] on spectral statistics of quantized integrable systems, and also establishes a particular case of the quantitative version of the Oppenheim conjecture for inhomogeneous quadratic forms of signature (2,2). The proof uses theta sums and Ratner’s classification of measures invariant under unipotent flows. ...

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  • Arabic language is a morphologically complex language. Affixes and clitics are regularly attached to stems which make direct comparison between words not practical. In this paper we propose a new automatic headline generation technique that utilizes character cross-correlation to extract best headlines and to overcome the Arabic language complex morphology

    pdf5p hongdo_1 12-04-2013 16 2   Download

  • Different summarization requirements could make the writing of a good summary more difficult, or easier. Summary length and the characteristics of the input are such constraints influencing the quality of a potential summary. In this paper we report the results of a quantitative analysis on data from large-scale evaluations of multi-document summarization, empirically confirming this hypothesis.

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  • Automatic summarization evaluation is critical to the development of summarization systems. While ROUGE has been shown to correlate well with human evaluation for content match in text summarization, there are many characteristics in multiparty meeting domain, which may pose potential problems to ROUGE. In this paper, we carefully examine how well the ROUGE scores correlate with human evaluation for extractive meeting summarization.

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  • This paper presents the results of a s t u d y on the semantic constraints imposed on lexical choice by certain contextual indicators. We show how such indicators are computed and how correlations between them and the choice of a noun phrase description of a named entity can be automatically established using supervised learning. Based on this correlation, we have developed a technique for automatic lexical choice of descriptions of entities in text generation.

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  • After studying this chapter you will be able to: comprehend the nature of correlation analysis, understand bivariate regression analysis, become aware of the coefficient of determination, R2. Inviting you to refer.

    ppt27p allbymyself_06 28-01-2016 8 2   Download

  • (BQ) Part 2 book "Textbook of biochemistry with clinical correlations" presents the following contents: Amino acid metabolism, purine and pyrimidine nucleotide metabolism, metabolic interrelationships, structure and conformation, repair, synthesis and recombination...

    pdf735p thangnamvoiva2 23-06-2016 4 2   Download

  • (BQ) Part 1 book "Histology a text and atlas - With correlated cell and molecular biology" presents the following contents: Methods, cell cytoplasm, the cell nucleus, epithelial tissue, connective tissue, tissues - concept and classifi cation, cartilage, bone, muscle tissue,...

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  • Analytical expression for the Displacement-displacement Correlation Function (DCF) C R has been derived based on the derived Mean Square Relative Displacement (MSRD) σ and the Mean Square Displacement (MSD) u for fcc 2 2 crystals. The effective interaction potential of the system has been considered by taking into account the influences of nearest atomic neighbors, and it contains the Morse potential characterizing the interaction of each pair of atoms.

    pdf8p tuanlocmuido 19-12-2012 22 1   Download

  • We examine correlations between native speaker judgements on automatically generated German text against automatic evaluation metrics. We look at a number of metrics from the MT and Summarisation communities and find that for a relative ranking task, most automatic metrics perform equally well and have fairly strong correlations to the human judgements. In contrast, on a naturalness judgement task, the General Text Matcher (GTM) tool correlates best overall, although in general, correlation between the human judgements and the automatic metrics was quite weak.

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  • In this paper, we explore correlation of dependency relation paths to rank candidate answers in answer extraction. Using the correlation measure, we compare dependency relations of a candidate answer and mapped question phrases in sentence with the corresponding relations in question. Different from previous studies, we propose an approximate phrase mapping algorithm and incorporate the mapping score into the correlation measure. The correlations are further incorporated into a Maximum Entropy-based ranking model which estimates path weights from training.

    pdf8p hongvang_1 16-04-2013 17 1   Download

  • Chapter 13 - Linear regression and correlation, after studying this chapter you will be able to: Identify a relationship between variables on a scatter diagram, measure and interpret a degree of relationship by a coefficient of correlation, conduct a test of hypothesis about the coefficient of correlation in a population,...and other contents.

    ppt56p tangtuy09 21-04-2016 6 1   Download

  • (BQ) Part 1 book "Textbook of biochemistry with clinical correlations" presents the following contents: Eukaryotic cell structure, composition and structure, structure—function relationships in protein families, classification, kinetics and control, structure and membrane transport, bioenergetics and oxidative metabolism, major metabolic pathways and their control.

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  • (BQ) Part 1 book "Netter's Correlative imaging musculoskeletal anatomy" presents the following contents: Overview of upper limb, shoulder, upper arm, elbow, forearm, wrist, hand and finger. Invite you to consult.

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  • (BQ) Part 2 book "Netter's Correlative imaging musculoskeletal anatomy" presents the following contents: Thumb, overview of lower limb, thigh, lower leg, ankle and foot, knee, plantar plate. Invite you to consult.

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  • (BQ) Part 2 book "Cytology diagnostic principles and clinical correlates" presents the following contents: Breast, thyroid, salivary gland, lymph nodes, liver, pancreas and biliary tree, kidney and adrenal gland, ovary, soft tissue, laboratory management.

    pdf330p thangnamvoiva5 14-07-2016 5 1   Download

  • (BQ) Part 2 book "Histology a text and atlas - With correlated cell and molecular biology" presents the following contents: Nerve tissue, cardiovascular system, digestive system I - oral cavity and associated structures, lymphatic system, digestive system II - Esophagus and gastrointestinal tract, respiratory system, respiratory system,...

    pdf629p thangnamvoiva5 14-07-2016 1 1   Download

  • Parametric correlation requires two continuous variables measured on an interval or ratio scale. The coefficient does not distinguish between independent and dependent variables

    ppt15p leminh250289 30-11-2010 92 17   Download

  • Phân tích tương quan (Correlation) là kỹ thuật rất thường dùng trong thống kê y học nhằm khảo sát mối liên quan giữa 2 biến số đo trên cùng các đối tượng thông qua hệ số tương quan (correlation coefficient). Có nhiều loại hệ số tương quan (HSTQ) nhưng bài này chỉ trình bày hệ số tương quan r của Pearson (Pearson r correlation coefficient). Pearson r là số đo mối liên quan tuyến tính của 2 biến số, và được sử dụng khi 2 biến số thuộc thang đo lường tỉ số hoặc thang khoảng.

    pdf8p truongthiuyen11 08-07-2011 160 17   Download

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