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Many risk factors affect software development and risk management has become one of the major activities in software development. Discovering causal directions among risk factors and project performance are important support for risk management. The Additive Noise Model (ANM) is an effective algorithm for discovering the direction on one-to-one causalities, but ineffective on many-to-one causalities...
We adopt the classical Fama and French (1992) [E.F. Fama, K.R. French, The Cross-Section of Expected Stock Returns, The Journal of Finance, 47 (1992) 427 -- 465.] approach to investigate the effect of Beta, size, leverage, book value to market value (B/P), and earnings to price (E/P) ratio on the average monthly returns in the China Stock Market (CSM) from July 1998 to June 2011. The phenomenon of...
Spam, also known as unsolicited bulk email (UBE), is becoming increasingly harmful for email traffics. Filtering is a simple and efficient way to combat against spam. Machine-learning-based classification algorithms are of excellent performance in filtering spam. However, the classifiers need be trained with a group of training samples before being able to work. Heavy manual labor and privacy problems...
The modeling and rendering of real material properties highly rely on precise data acquisition. However, it is fairly hard to gather and model the bidirectional reflectance distribution function (BRDF), which indicates the properties of real material properties. This report presents the gathering data by BRDF on the basis of linear-light source reflector. By optimizing the table of linear-light source...
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