Darrell Gunter, EVP/Chief Marketing Officer, Collexis Holdings Inc. referred to an interesting study, Semantic Wave Report 2008: Industry Roadmap to Web 3.0, and you can order the executive summary for free.  Darrell’s discussion of the knowledge plane where you extract knowledge and concpets, “searching to knowing” was very interesting.   He also talked about exploring rather than searching and explained the Collexis fingerprint engine.  From their website: “Collexis High Definition Search enables extraordinary knowledge retrieval and discovery quickly and accurately by utilizing fingerprinting technology. The CollexisFingerprint empowers users to immediately identify and search for documents, experts, trends, and new discoveries more quickly, accurately – and deeply – than conventional search engines.”  They are using this engine with a community of biomed experts.