This article helps establish reliable baselines for document-level sentiment analysis in highly inflected languages like Czech and Slovak.We revisit an earlier study representing the first comprehensive formulation of such baselines in Czech and show that some of its reported results need to be significantly revised.More specifically, we show that
In this article we assess the appropriateness of the constant volatility assumption required by the Black (1976) Home option pricing model for options on the All Share Index future.The assessment uses similar nonparametric tests as implemented in Rubinstein for data recorded over the 1992 to 1996 period.In the nonparametric tests we focus on the ex
We report a numerical study of a broadband metamaterial absorber in visible light region by utilizing a single layer of metal-dielectric-metal configuration.The absorption bandwidth and absorption performances are tailored by varying the resonator shapes and metal materials.The absorption bandwidth of the proposed metamaterial absorber (MA) structu