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This paper presents a system that can take short messages relevant to a particular topic from a microblogging service such as Twitter or Facebook, analyze the messages for the sentiments they carry on, and classify them....

Subjects / keywords: Principal component analysis; Dimensionality reduction; Representation (politics); Curse of dimensionality; Process (computing); Computer science; Reduction (mathematics); Component (thermodynamics); Data mining; Mathema...

La búsqueda por similitud consiste en recuperar todos aquellos objetos dentro de una base de datos que sean parecidos o relevantes a una determinada consulta. Este concepto tiene una amplia gama de aplicaciones en área...