%0 Journal Article %T Objects and Goals Extraction from Semantic Networks : Applications of Fuzzy SetS Theory %A Mohamed Nazih Omri %J Computer Science %D 2012 %I arXiv %X In this paper we present a short survey of fuzzy and Semantic approaches to Knowledge Extraction. The goal of such approaches is to define flexible Knowledge Extraction Systems able to deal with the inherent vagueness and uncertainty of the Extraction process. In this survey we address if and how some approaches met their goal. %U http://arxiv.org/abs/1206.1615v1