COLUMBIA, S.C.--(BUSINESS WIRE)--Collexis Holdings, Inc. (OTC BB:CLXS), a developer of high-definition search and discovery software, announced today that the National Institutes of Health (NIH) has selected the company to develop an Advanced Expert Profiling System that will allow more than 8,000 NIH researchers to connect and share their expertise via a web interface. The agreement represents an expansion of Collexis’ relationship with the NIH. Previously, the NIH signed an Enterprise License Agreement with Collexis, under which more than $20 billion in grant funding is analyzed using the company’s software platform.