This paper presents our work in the Multilingual Opinion Analysis Task (MOAT) done during the NTCIR-7 workshop. This is our first participation in this kind of retrieval and classification task in which we participated for the English, Japanese and traditional Chinese language. As a basic model we suggested a probabilistic model derived from Muller's method [1] that allows us to determine and w...

In a partially linear regression model with a high dimensional unknown component we find an estimator of the parameter of the linear part based on projection pursuit methods to be considerably more efficient than the standard density weighted kernel estimator.