| model,4-4-E06-1004,ak | We prove that while <term> IBM Models 1-2 </term> are conceptually and computationally simple , computations involving the higher ( and more useful ) <term> models </term> are hard . | #10946 We prove that while IBM Models 1-2 are conceptually and computationally simple, computations involving the higher (and more useful) models are hard. |
