@misc {IOPORT.70242164,
    author       = {Zhong, Ning and Hayazaki, Norichika},
    title        = {Roles of ontologies for web intelligence},
    howpublished = {ISMIS, 55-65 (2002).},
    year         = {2002},
    doi          = {10.1007/3-540-48050-1_8},
    identifier   = {70242164},
}