Research institutes linked to the third level colleges in the city support the research and innovation capacity of the city and region. Examples include the Tyndall National Institute (ICT hardware research), IMERC (Marine Energy), Environmental Research Institute, NIMBUS (Network Embedded Systems); and CREATE (Advanced Therapeutic Engineering). UCC and CIT also have start-up company incubation centres. In UCC, the IGNITE Graduate Business Innovation Centre aims to foster and support entrepreneurship. In CIT, The Rubicon Centre is a business innovation hub that is home to 57 knowledge based start-up companies.

Answer this question, if possible (if impossible, reply "unanswerable"): What is the Rubicon Centre linked to?
unanswerable