A hierarchical framework is proposed to address the issues of modeling different type of words in keyword spotting (KWS). Keyword models are built at various levels according to the availability of training set resources for each individual word. The proposed approach improves the performance of KWS even when no training speech is available for the keywords. It also suggests an easier way to co...

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In this study, the contact problem of a layered composite which consists of two materials with different elastic constants and heights resting on two rigid flat supports with sharp edges is considered. The effect of gravity is neglected. While friction between the layers is taken into account, it is assumed that there is no friction between the supports and the layered composite so that only co...

In this paper, we analyze a quasistatic problem modeling frictional contact between viscoplastic body and an obstacle, the so called foundation. The material constitutive relation is assumed to be non-linear. boundary conditions of friction are modeled respectively by \textit{Signorini} generalized Coulomb's non-local law. We derive variational formulation for prove existence its unique weak so...