COLUMBIA, S.C.--(BUSINESS WIRE)--Collexis Holdings Inc. (OTCBB:CLXS), a leading developer of semantic search and knowledge discovery software, announced today that it has partnered with Health Sciences South Carolina (HSSC) to launch the first virtual knowledge directory of health science research being conducted across the state by HSSC partner institutions. This is a major advancement, making South Carolina the first state in the nation to create a searchable directory of medical research and biomedical expertise.