A Note on Multiplying Boolean Matrices CACM February, 1962 Baker, J. J. CA620208 JB March 20, 1978 3:45 PM 1151 5 635 1265 5 635 2769 5 635 635 5 635 635 5 635 635 5 635 404 6 635 464 6 635 3184 6 635 631 6 635 635 6 635 635 6 635 635 6 635