Concept-Based Document Recommendations for CiteSeer Authors. - Kannan Chandrasekaran; Susan Gauch; Praveen Lakkaraju; Hiep Phuc Luong (AH, 2008)

Document similarity based on concept tree distance. - Praveen Lakkaraju; Susan Gauch; Mirco Speretta (Hypertext, 2008)

Computer classification system usage in citeseer. - Mirco Speretta; Susan Gauch; Praveen Lakkaraju (JCDL, 2008)