Jaehoon Kim Seog Park SemFilter: A Simple and Efficient Semantic Filtering of XML Messages. 35-40 2007 CIT http://doi.ieeecomputersociety.org/10.1109/CIT.2007.161 conf/IEEEcit/2007 db/conf/IEEEcit/IEEEcit2007.html#KimP07