The evaluation experiments of OAEI 2011 campaign have been finished and the preliminary results can be found at OAEI web page.These results will be discussed at the 6th International Workshop on Ontology Matching, collocated with the 10th International Semantic Web Conference.This year, OAEI had 18 participants who participated in four tracks. Tool developers that could not participate in this campaign will have the opportunity to evaluate their tools in the next campaign, to be held in the winter 2011. More information soon. Keep in touch!