The Entity-Relationship (ER) model is a fundamental tool for database design, recently extended and employed in knowledge representation and reasoning due to its expressiveness and comprehensibility. We present an extension of the ER model, called ER + , which is particularly suitable for ontology ...
There is an evident bi-causal relationship between the volatilities of wheat and soybean in the Nigerian agricultural commodity market, and the two markets are the key markets in terms of volatility in the Nigerian agricultural commodity market. While shocks to the Soybean are more likely to ...
This study examines the empirical relationship between the return and the total market value of NYSE common stocks. It is found that smaller firms have had higher risk adjusted returns, on average, than larger firms. This ‘size effect’ has been in existence for at least forty years and is...
has created an urgent need for marketers to understand their relative importance in generating revenue for their brands. Ultimately, this understanding should result in managers’ ability to project returns from their media investments. This chapter will focus on quantitative methods that enable such med...
Theoretical research on the relationship between return period of rainfall and shallow landslides 来自 国家科技图书文献中心 喜欢 0 阅读量: 77 作者: T Iida 摘要: A hydrogeomorphological model for shallow landslide prediction that considers both the stochastic character of rainfall intensity and ...
8. APM suggests that a number of factors affect the risk-return relationship and in time, this model may replace CAPM when more developments take place to improve its practical application. 9. Remember that the formula for a multi-asset portfolio with no correlation b...
Do relationship portfolios and networks provide the key to successful relationship management? Discusses the importance of the development and on-going management of customer/supplier relationships as a key activity of the firm. Introduction to relat... Zolkiewski,Judy,Turnbull,... - 《Journal of ...
This study examines the empirical relationship between the return and the total market value of NYSE common stocks. It is found that smaller firms have had higher risk adjusted returns, on average, than larger firms. This 'size effect' has been in existence for at least forty years and is ...
Return on equity (ROE) is a measure of a company’s financial performance that shows the relationship between a company’s profit and the investor’s return. ROE illustrates how much profit a company generates with the money shareholders have invested and how successful the firm’s management te...
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