also called the return on sales ratio or gross profit ratio‚ is a profitability ratio that measures the amount of net income earned with each dollar of sales generated by comparing the net income and net sales of a company.we can see that Macy’s outperforms Wal-mart in the financial metric. Although both companies have the same tax rate‚ but Macy’s has a better profit margin because Macy’s has lower interest expense which is almost one fifth of interest expense of Wal-mart. On the other hand wal-mart
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IEEE TRANSACTIONS ON SYSTEMS‚ MAN‚ AND CYBERNETICS PART C: APPLICATIONS AND REVIEWS‚ VOL. 42‚ NO. 3‚ MAY 2012 Movie Rating and Review Summarization in Mobile Environment Chien-Liang Liu‚ Wen-Hoar Hsaio‚ Chia-Hoang Lee‚ Gen-Chi Lu‚ and Emery Jou Abstract—In this paper‚ we design and develop a movie-rating and review-summarization system in a mobile environment. The movie-rating information is based on the sentiment-classification result. The condensed descriptions of movie reviews are generated
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the greatest development in the domain of communication industry. Similar to each and every invention‚ the internet carries the number of advantages and disadvantages. Nevertheless‚ the advantages of the internet are so huge in number that they outperform the disadvantages quit easily. What is Internet? According to the definition provide by oxford dictionary‚ the internet is an arrangement of connected computers‚ which let the computer users all over the globe exchange data. At the present time
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In real world scenario‚ a Denial-of-Service attack DoS attack) or Distributed Denial-of-Service attack (DDoS attack) is an effort to make a machine or network resource unavailable to its genuine users. Although the means to carry out‚ motives for‚ and objective of a DoS attack may vary‚ it generally consists of efforts to temporarily or indefinitely interrupt or eliminate services of a host connected to the internet. One common method of attack involves saturating the target machine with outside
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Bayesian Probabilistic Matrix Factorization using Markov Chain Monte Carlo Ruslan Salakhutdinov rsalakhu@cs.toronto.edu Andriy Mnih amnih@cs.toronto.edu Department of Computer Science‚ University of Toronto‚ Toronto‚ Ontario M5S 3G4‚ Canada Abstract Low-rank matrix approximation methods provide one of the simplest and most effective approaches to collaborative filtering. Such models are usually fitted to data by finding a MAP estimate of the model parameters‚ a procedure that can be
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| 18 | 100 (18/101) = 17.82% | | April | 96 | 101 | 5 | 100 (5/96) = 5.21% | | May | 89 | 96 | 7 | 100 (7/89) = 7.87% | | June | 108 | 89 | 19 | 100 (19/108) = 17.59% | | | | | | 49 | | | 48.49% | | Naive outperforms management. 4.27 | Winter | Spring | Summer | Fall | 2004 | 1‚400 | 1‚500 | 1‚000 | 600 | 2005 | 1‚200 | 1‚400 | 2‚100 | 750 | 2006 | 1‚000 | 1‚600 | 2‚000 | 650 | 2007 | 900 | 1‚500 | 1‚900 | 500 | | 4‚500 | 6‚000 |
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Massachusetts Financial Services (MFS) may characterize their labor market for portfolio managers as a “star system”‚ their labor market certainly does not have a star mentality. Rather than recruit stars‚ they mentor portfolio mangers into becoming stars. MFS promotes a culture of teamwork and collaboration in which talent grows from within. MFS often recruits employees right out of business school as analysts. Analysts are then brought up through the MFS system and trained to become great portfolio
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4.0 RELATED WORK Title: Ant colony optimization techniques for the vehicle routing problemAuthor: John E. Bell‚ Patrick R. McMullenYear: 2004 | Representation: finding the minimum distance or cost of the combined routes of a number of vehicles m that must service a number of customers n.Fitness Function: * Each customer is visited only once by a single vehicle. * Each vehicle must start and end its route at the depot‚ v0. * Total demand serviced by each vehicle cannot exceed Q.Performance:Ant
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these with lower ratios. Therefore‚ they have higher expected returns as compensations. c. Momentum effect. While the performance of individual stocks is highly unpredictable‚ portfolios of the bestperforming stocks in the recent past appear to outperform other stocks with enough reliability to offer profit opportunities. Thus‚ it appears that there is evidence of short- to intermediatehorizon price momentum in both the aggregate market and cross-sectionally. And subsequent correction of the overreaction
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QUALITY MANAGEMENT “Quality is never an accident; it is always the result of high intention‚ sincere effort‚ intelligent direction and skillful execution. It represents the wise choice of many alternatives.” – Willa Foster EXECUTIVE SUMMARY This research operations report provides an analysis of managing quality in operations with an application to the banking industry. The report defines quality and explores why quality is important by presenting some benefits associated with good quality
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