Am/AG Model: a Hierarchical Social System Metaphor for Distributed Problem Solving. - Dong-Guk Shin; Joseph Leone (Int. J. Pattern Recognit. Artif. Intell., 1990)

A Semantic Processing System (SPS) for Biomedical Literature Web Search. - Joseph Leone; Dong-Guk Shin (ICDM (Poster and Industry Proceedings), 2011)

A Phrase-based Ontology Enabled Semantic Processing System for Web Search. - Joseph Leone; Dong-Guk Shin (Trans. Mach. Learn. Data Min., 2013)