Practical Issues for Building a Product Ontology System. - Ig-hoon Lee; Suekyung Lee; Taehee Lee 001; Sang-goo Lee; Dongkyu Kim; Jonghoon Chun; Hyunja Lee; Junho Shim (DEEC, 2005)

Ontological Modeling of e-Catalogs using EER and Description Logics. - Hyunja Lee; Junho Shim; Dongkyu Kim (DEEC, 2005)

Conceptual and Formal Ontology Model of e-Catalogs. - Hyunja Lee; Junho Shim (EC-Web, 2005)

PROMOD: A Modeling Tool for Product Ontology. - Kyunghwa Kim; Moonhee Tark; Hyunja Lee; Junho Shim; Junsoo Lee; Seungjin Lee 002 (DEECS, 2006)

Modeling Considerations for Product Ontology. - Hyunja Lee; Junho Shim; Suekyung Lee; Sang-goo Lee (ER (Workshops), 2006)

Building an operational product ontology system. - Taehee Lee 001; Ig-hoon Lee; Suekyung Lee; Sang-goo Lee; Dongkyu Kim; Jonghoon Chun; Hyunja Lee; Junho Shim (Electron. Commer. Res. Appl., 2006)

A Pragmatic Approach to Model and Exploit the Semantics of Product Information. - Taehee Lee 001; Junho Shim; Hyunja Lee; Sang-goo Lee (J. Data Semant., 2006)

Conceptual Modeling of Product Information in e-Commerce. - Hyunja Lee; Junho Shim (ACIS-ICIS, 2007)

Pivoted Table Index for Querying Product-Property-Value Information. - Hyunja Lee; Junho Shim (J. Softw., 2010)

Indexing method for transitive relationships of product information. - Hyunja Lee; Junho Shim (Web Intell. Agent Syst., 2011)