Chapter 4 The Enhanced E-R Model and Business Rules Chapter Objectives The purpose of this chapter is to present some important extensions to the E-R model (described in Chapter 3) that are useful in capturing additional business meaning. In particular we describe two types of extensions to the E-R model. The enhanced entity-relationship (EER) model includes constructs for supertype/subtype relationships. The inclusion of new notation for business rules allows the designer to capture
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Algorithm to Calculate Basic Feasible Solution using Simplex Method Abstract: The problem of maximization/minimization deals with choosing the ideal set of values of variables in order to find the extrema of an equation subject to constraints. The simplex method is one of the fundamental methods of calculating the Basic Feasible Solution (BFS) of a maximization/minimization. This algorithm implements the simplex method to allow for quick calculation of the BFS to maximize profit or minimize loss
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Intrinsic Stock Valuation - Emerson Electric Intrinsic Stock Valuation - Emerson Electric In this cyber-problem‚ you will value the stock for Emerson Electric‚ a scientific and technical instrument company. While stock valuation is obviously important to investors‚ it is also vital to companies engaging in a merger or acquisition. Here‚ the process of stock valuation can often be quite subjective. Frequently‚ the opposing sides of a merger or acquisition will have vastly different opinions
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E-Commerce revenue models specifically describe different techniques used in generating income from the publisher’s websites. As the e-commerce progress‚ the traditional revenue model of sales is expanded to more variety of revenue options and e-commerce business model. All of the large-scale hotel such as Shangri-La‚ Sheraton Seoul D-Cube City Hotel and others are more focus on e-commerce revenue models in order generate revenues from multiple income streams. Thus‚ all of these hotels were successful
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The Documentary Hypothesis was created by Julius Wellhausen in 1878‚ and it was used to explain the different groups of people‚ and ways the Torah was written and edited. There are four different groups within this theory that consist of the J‚ E‚ D‚ and P’s (Coogan‚ 43). At first it started out with the problem of timing for the different names of God that the J’s and E’s focused on. The J’s were the Yahwist; claiming to the idea that the name Yahweh starts from the begging‚ in Genesis. The E’s
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PROFITABILITY RATIOS RETURN ON INVESTMENT (ROI): The prime objective of making investments in any business is to obtain satisfactory return on capital invested. Hence‚ the return on capital employed is used as a measure of success of a business in realizing this objective. Return on Investment establishes the relationship between the profit and the capital employed. It indicates the percentage of return on capital employed in the business and it can be used to show the overall profitability
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The Best Stock Valuation Method When trying to figure out which valuation method to use to value a stock for the first time‚ most investors will quickly discover the overwhelming number of valuation techniques available to them today. There are the simple to use ones‚ such as the comparable method‚ and there are the more involved methods‚ such as the discounted cash flow model. Which one should you use? Unfortunately‚ there is no one method that is best suited for every situation. Each stock is different
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Running Head: AMAZON.COM ’S E-BUSINESS MODEL 1 Amazon.com ’s E-Business Model Lauren Edwards Dr. Etido Akpan Business Enterprise May 1‚ 2011 (Resubmitted May 11‚ 2011) Amazon.com ’s E-Business Model 2 1. Discuss the pros and cons of Amazon’s growth and diversification of business and specialization‚ and make recommendations about what Amazon could have done differently. Amazon.com‚ the largest online retailer in the United States‚ was founded by Jeff Bezos
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E-BUSINESS MODELS As defined by Canzer‚ a consumer – to – consumer ( C2C) business model is one in which firms facilitate the exchange of data directly between its users over the internet. It does not use the peer - to – peer ( P2P) software which allows direct access to the individual’s computer files but instead provides a platform to load text‚ images‚ music / video files‚ etc for sharing among users. This platform for sharing and interaction has a commercial dimension with the aid of advertising
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the sole property of Dr. Russell Roberson—the use of this model is allowed by students and faculty GIVEN Dr. Russell Roberson is given credit for the SWEATT model development. If you use the SWEATT model‚ inform Dr. Russell Roberson at rroberson@wi.rr.com in order that the use of the SWEATT model can be tracked (and improved). What is SWEATT? 1. 2. 3. 4. Criterion: the specific area that has been identified as part of the SWEATT model Measure: the attribute or variable of interest by which the
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