Este texto tem o objetivo de analisar possibilidades inerentes ao ensino e aprendizagem da matemática, onde buscamos refletir, a partir filosofia linguagem Wittgenstein, sobre como poderíamos pensar ensino: gramatical ou empírico? Baseado em regras na experiência? Realizamos um ensaio teórico, no qual discutimos inicialmente papel tratamos das proposições matemáticas gramaticais, seus usos empí...

Part Of Speech (POS) tagging forms the important preprocessing step in many of the natural language processing applications such as text summarization, question answering and information retrieval system. It is the process of classifying every word in a given context to its appropriate part of speech. Different POS tagging techniques in the literature have been developed and experimented. Curre...

The main goal of this article is to outline a new approach to syncretism in optimality theory, one that does not rely on the concept of underspecification taken over from grammatical theories which do not recognize constraint ranking and constraint violability. The analysis is based on a concept of morphological exponents as leading forms. Instances of syncretism can be traced back to the selec...