A paper entitled "A Self-Training Approach for Resolving Object Coreference on the Semantic Web" has been accepted by WWW2011 as a regular paper, by Wei Hu, Jianfeng Chen and Yuzhong Qu. Another paper entitled "Generating Summaries for Ontology Search" is accepted as a poster, by Gong Cheng, Weiyi Ge and Yuzhong Qu.