01698nas a2200229   4500000000100000000000100001008004100002260001200043653001700055653001700072653000900089653001500098100003100113700003600144700002500180245008500205856007400290300001000364490000600374520107400380022001401454       2010                            d  c12/201010aWeb Services10aTrust-Levels10aFOAF10aOntologies1 aPaulo Alonso Gaona-García1 aCarlos Enrique Montenegro-Marin1 aJesús Soto-Carrión00aTrust Levels Definition On Virtual Learning Platforms Through Semantic Languages  uhttp://www.ijimai.org/journal/sites/default/files/IJIMAI20101_3_4.pdf  a20-260 v13 aTrust level concept is a topic that has opened a knowledge area about the profile evaluation and the people participation in Social Networks. These have presented a high knowledge profit, but at the same time it is necessary to analyze a group of variables to determine the trust participants' degree. In addition, this is a topic that from some years ago has been presenting a big expectation to settle some alternatives to generate confidence in an activer community on internet. To establish these parameters it is important to define a model to abstract some variables that are involved in this process. For this, it is relevant to take into account the semantic languages as one of the alternatives that allow these kinds of activities. The purpose of this article is to analyze the Trust Levels definition in the contents that are shared on Open Source Virtual learning Platforms through the use of a model of representation of semantic languages. The last ones allow determining the trust in the use of learning objects that are shared in this kind of platforms.  a1989-1660