Chunying Zhou Huajun Chen Tong Yu Social network mashup: Ontology-based social network integration for statistic learning. 143-146 2008 IRI http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=4582984&arnumber=4583020&count=94&index=35 conf/iri/2008 db/conf/iri/iri2008.html#ZhouCY08