Applying Agents to Search Goods Information Based on Three-Level Metadata Architectures. - Duen-Ren Liu; Shien-Chang Pan (DEXA Workshop, 1999)

Integrating software agents with multi-level metadata in support of heterogeneous product search. - Duen-Ren Liu; Shien-Chang Pan (Comput. Syst. Sci. Eng., 2003)