HOL is an abbreviation for Higher order logic[?], a branch of symbolic logic in which statements can be quantified over objects, predicates, predicates of predicates etc.
... 0.84% African American, 0.13% Native American, 1.89% Asian, 0.03% Pacific Islander, 0.62% from other races, and 1.04% from two or more races. 3.33% of the population are ...