High-content Words in Patent Records Reflect Key Innovations in the Evolution of Technology. - Devin W. Chalmers; C. Cooper Francis; Noah M. Pepper; Mark A. Bedau (ALIFE, 2010)

Evidence in the patent record for the evolution of technology using citation and PageRank statistics. - Mark A. Bedau; Andrew Buchanan; Devin W. Chalmers; C. Cooper Francis; Norman H. Packard; Noah M. Pepper (ECAL, 2011)