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Natural-language representation and query of linear geographic objects in GIS
People usually use qualitative terms to express spatial relations, while current geographic information systems (GIS) all use quantitative description to store spatial information. The abilities of current GIS to represent ...
Two essays on asset pricing
Essay One: A New Estimate of Beta This essay examines a new method of estimating systematic risk, or "beta". Due to market imperfection, stock prices, especially those of small firms, do not move with the market index ...