increased the accuracy of finding synonyms of our system for a set of k word is more accurate pn and test corpus are used for all our experiment evaluations that are two kinds of context vector context size evaluation and quality of system
Tài liệu Báo cáo khoa học: "Evaluating the Accuracy of an Unlexicalized Statistical Parser on the PARC DepBank" docx
... limited because of the lack of fine-grained subcategorization infor43 the parse forest partially encode a configuration of the graph-structured stack and lookahead symbol, so that, unlike a standard PCFG, ... 79 Table 1: Accuracy of our parser, and where roughly comparable, the XLE as reported by King et al croaverages The macroaverage is calculated by taking the average of each measure for each individual ... This method of grammar and lexicon development incrementally improves the overall performance of the system averaged across all the datasets that it has been applied to It is very likely that...
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Báo cáo " Assessment of the influence of interpolation techniques on the accuracy of digital elevation model " potx
... exponential, gaussian, and linear There are two kriging methods: ordinary and universal The ordinary kriging assumes that the constant mean is unknown, while the universal kriging assumes that there is ... value for each location It is a multistep process including: exploratory statistical analysis of the data, variogram modeling, creating the surface Kriging is most appropriate when there is a ... Eq and takes its square value - Summary Statistics: calculates RMSE of the interpolated DEM by using Eq 2.3 The study areas This research is based on the survey data of four topographic mapping...
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Báo cáo khoa học: "Comparing the Accuracy of CCG and Penn Treebank Parsers" docx
... Results are calculated using both gold standard and automatically assigned POS tags; # is the number of sentences in the sample, and the % column gives the sample size as a percentage of the whole ... Statistical Models for Natural Language Parsing Ph.D thesis, University of Pennsylvania One question that is often asked of the CCG parsing work is “Why not convert back into the PTB representation and ... where the trees are a different shape, as well as having different labels It is important to realise that Hockenmaier and Steedman (2007) invested a significant amount of time and effort in creating...
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Báo cáo khoa học: "Improving the Accuracy of Subcategorizations Acquired from Corpora" pdf
... accurate clusters Acknowledgments I thank Yoshimasa Tsuruoka and Takuya Matsuzaki for their advice on probabilistic modeling, Alex Fang for his help in using the acquired SCFs, and Anna Korhonen for ... clusters and 1,241 data objects into I here assume that the existing SCFs for the words in the lexicon is more reliable than the other SCFs for those words I used the vectors that appeared for more ... 356–363 J Carroll and A C Fang 2004 The automatic acquisition of verb subcategorizations and their impact on the performance of an HPSG parser In Proc the first ijc-NLP, pages 107–114 A Copestake 2002...
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Central Bank Transparency, the Accuracy of Professional Forecasts, and Interest Rate Volatility pot
... policy and operational (see the Appendix) Their measure of transparency is based on the simple idea that more types of disclosure represent greater transparency A disadvantage is that the quality of ... not a hard -and- fast rule; the Czech Republic and Hungary are more transparent than the US while Norway is as transparent as Indonesia Transparency has increased substantially over the majority of ... cover and year-on-year exchange rate movement Essentially the risk ratings provide a standardized and parsimonious way to re‡ a variety of economic and …nancial fundamentals that a ect risk ect A...
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the american banker as international investor have the new banking powers in the united states increased the volatility of lending into emerging economies
... Net assets (assets minus liabilities) of BIS reporting banks at the end of each year BIS locational statistics provide gross on-balance asset and liability positions of banks in Europe, Japan and ... lending of U.S banks been the topic of discussion about banking deregulation Given the domestic nature of the debate and the status of emerging market claims as a junior asset class, the lack of attention ... Greece, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom Source: BIS Locational Banking Statistics On a net basis, that is, assets minus liabilities...
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Báo cáo hóa học: " Influence of the training set on the accuracy of surface EMG classification in dynamic contractions for the control of multifunction prostheses" potx
... realization of the study and to the manuscript preparation, DF participated to the design and coordination of the study and to the manuscript preparation All authors read and approved the final manuscript ... procedure Two of the three data sets were used as learning data and the remaining data set as testing data, thus the training was done on 36 contractions (4 contractions per class) [6] A linear discriminant ... Including the dynamic portion in the training set increases substantially the number of windows available for each class, and so the unbalance between the sizes of the two classes during the learning...
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báo cáo hóa học:" The accuracy of MRI in the detection of Lumbar Disc Containment" docx
... 85:102-108 Nakagawa H, Kamimura M, Takahara K, Hashidate H, Kawaguchi A, Uchiyama S, Miyasaka T: Optimal duration of conservative treatment for lumbar disc herniation depending on the type of herniation ... Figure Classification of discal pathology Classification of discal pathology accuracy using standard calculations[22] as well as ROC (Receiver Operating Characteristic) graphic evaluation Correlation ... lack thereof) and qualitative characteristics of outer annular/ posterior longitudinal ligament fibers Hence, containment status appears prognostically important and has a place in the provision...
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Báo cáo lâm nghiệp: "Analysis of the accuracy of GPS Trimble Juno ST measurement in the conditions of forest canopy" pot
... points The resultant data were evaluated by the analysis of variance (ANOVA) on the basis of several factors (stand characteristics, PDOP and measurement time), both before and after the post-process ... from the attained accuracy that the use of this GPS device is debatable for forestry thematic mapping, in the sense of collecting background material for forest maps Forest maps are classified as ... performance standards guarantee 98% of the daily PDOP and better, and functionality of at least 21 satellites with 98% probability on the annual average In general, the relevant accuracy of the...
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Báo cáo khoa hoc:" A sampling method for estimating the accuracy of predicted breeding values in genetic evaluation" potx
... on the status of is parents j and k: If j and k are unknown, then ui is generated from N(0, a ); If one parent, say j, is known, then ui is generated from N(0.5uj , 0.7 5a ); If j and k are known, ... on-farm evaluation, IBOVAL, for the Parthenaise breed The trait analysed was the muscular development score at weaning, and the model used in this present study was the model used in the real ... where A is the numerator relationship matrix, and the scalars a and e are the additive and residual variance components, respectively The BLUP (Best Linear Unbiased Prediction) of the breeding values...
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Báo cáo y học: "The accuracy of echocardiography versus surgical and pathological classification of patients with ruptured mitral chordae tendineae: a large study in a Chinese cardiovascular center" ppt
... standardized, and they included the parasternal left heart long-axis view, the aortic and MV short-axis view, and the apical four- and two- chamber views Page of Left atrial (LA) diameter was ... BZG performed the statistical analysis and helped to draft and revise the manuscript All authors read and approved the final manuscript Competing interests The authors declare that they have no ... Okada Y, Matsumura G, Shin’oka T, Yozu R, Kobayashi J, IshibashiUeda H, Hiraki Y, Fukuda K: Local tenomodulin absence, angiogenesis, and matrix metalloproteinase activation are associated with the...
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ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 1 ppt
... forest that is near a lake If we don’t know the accuracy of the map, and the map is 100% accurate, we can travel to our forest location, and, in fact, find ourselves in a forest However, if the maps ... consistent and accurate collection of sample data, and (3) rigorous comparative analysis of the sample data The organization of this book takes you through each of these fundamental steps Chapter ... excellent basis for making maps of land use and land cover Remotely sensed data has captured our imaginations since the first camera was carried aloft in a hot air balloon This fascination continues...
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ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 2 pptx
... be called the age of the error matrix An error matrix compares information from reference sites to information on the map for a number of sample areas The matrix is a square array of numbers set ... to the present time, a great deal of work has been conducted on accuracy assessment More and more researchers, scientists, and users are discovering the need to adequately assess the results of ... ASSESSMENTS As in the early days of aerial photography, the launch of Landsat in 1972 resulted in a great burst of exuberant effort as researchers and scientists charged ahead trying to develop the field...
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ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 4 pot
... sensed data used to make the map Thus, aerial photography is often used to assess the accuracy of maps made from satellite imagery, and ground visits are often used to assess the accuracy of maps ... have a proportional to area allocation of the sample since the total area of each map class is still unknown For example, the U.S.D.I Bureau of Reclamation maps the crops of the Lower Colorado ... data As discussed in Chapter 3, either the map or the reference source data can be used to allocate accuracy assessment samples across space If the map is used, then the accuracy assessment samples...
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ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 5 ppt
... Table 5-9 provides a comparison of the overall accuracy, the normalized accuracy, and the KHAT statistic for the two analysts In this particular example, all three measures of accuracy agree about ... comparison tests available for the Kappa coefficient apply to this conditional Kappa for an individual category Weighted Kappa The Kappa analysis is appropriate when all the error in the matrix ... significantly different than another (Bishop et al 1975) The result of performing a Kappa analysis is a KHAT ˆ statistic (actually K , an estimate of Kappa), which is another measure of agreement...
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ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 6 doc
... comparison to aerial photography, checking that all water exists in areas without slope, and comparison to existing maps of waterways and lakes will all reduce the possibility of this type of map ... when existing data or maps are used as reference data Changes in land cover between the date of the remotely sensed data and the date of the reference data As the second section of Chapter details, ... for catching data entry errors is to enter all data twice and then compare the two data sets Differences usually indicate an error Classification scheme errors Every accuracy assessment map and...
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ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 7 docx
... presents the traditional error matrix for a classification of forest crown closure Only exact matches are considered correct and are tallied along the major diagonal The overall accuracy of this classification ... fuzzy class boundaries is obvious: the accuracy of the classification can increase dramatically The disadvantage is that if the reason for accepting plus or minus one class cannot be adequately ... outcomes for each dimension of the matrix (A at time and A at time 2, A at time and B at time 2, A at time and C at time 2, …, C at time and C at time 2), all of which are indicated in the error matrix...
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ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 8 (end) ppt
... accuracy of both the photo and satellite derived maps are presented Analysis results are discussed as well as the practical trade-offs apparent in each accuracy assessment task Additional information ... rangeland of California, which forms a donutshaped area around California’s Central Valley, and is depicted in Figure 8-1 Almost all of California’s hardwood tree and shrub species occur in the area ... photo interpretation that makes up the reference data (the data against which the map is compared) during accuracy assessment The map site label refers to the map label of the accuracy assessment...
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Báo cáo y học: "Measuring the accuracy of genome-size multiple alignments" pot
... -GTTGCCATGC-AAAAATATTATGGCTTTACTAAAATTTATACAAG -CATaTCAA TTAACAC -GTTGCCATGCaAAAAATAaTATGGCTTTACTAAAATTTAcACAAc -CcTGaCAA TTAACAC gaacatatccgagTGCtgTaa-AAtAcTAcTggGa ACcAgAAaTg ACAAGttcCATGaCAgctttgcctttTTggCtC ... -GTTGCCATGC-AAAAATATTATGGCTTTACTAAAATTTATACAAG -CATGTCAA TTAACAC -GTTGCtATGC-AAAAATATTATGGCTTTACTAAAATTTATACAAG -CATGTCAA TTAACAC -GTTGCCATaC-AAAAATATTATGGCTTTACTAAAATTTATACAAG -CATGTCAA TTAACAC ... -GTTGCCATGC-AAAAATATTATGGCTTTACTAAAATTTATACAAG -CATGTCAA TTAACAC -GTTGCCATGC-AAAAATATTATGtCTTTACTAAAATTTATACAAG -CATGTCAA TTAACAC -GTTGCCATGC-AAAAATATTATGGCTTTACTAAAATTTATACAAG -CgTGTCAA TTAACAC...
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Báo cáo sinh học: " Effects of the number of markers per haplotype and clustering of haplotypes on the accuracy of QTL mapping and prediction of genomic breeding values" pot
... in the simulated dataset was: matrix based on the pedigree of the last four generations of animals and s G is the polygenic variance The esti- mated haplotype variance at each locus was calculated ... that alleles of a certain marker are used to evaluate fewer putative QTL positions, but alleles of all markers are still used in the analysis Grapes et al [4] have reported that the predicted ... breeding value of an animal is the same for haplotype sizes of four to ten markers, but lower for haplotypes of one marker In comparison, at values for limitIBD of 0.75 and 0.95, we found the same accuracies...
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