Ding, L.; Finin, T. W.; Joshi, A.; Pan, R.; Cost, R. S.; Peng, Y.; Reddivari, P.; Doshi, V. & Sachs, J. (2004), Swoogle: a search and metadata engine for the semantic web., in 'CIKM', pp. 652-659.

Ding, L.; Pan, R.; Finin, T. W.; Joshi, A.; Peng, Y. & Kolari, P. (2005), Finding and Ranking Knowledge on the Semantic Web., in 'International Semantic Web Conference', pp. 156-170.

Ding, L.; Finin, T. W.; Joshi, A.; Pan, R.; Cost, R. S.; Peng, Y.; Reddivari, P.; Doshi, V. & Sachs, J. (2004), Swoogle: a search and metadata engine for the semantic web., in 'CIKM', pp. 652-659.