Parallel Quantum Computation, the Library of Babel and Quantum Measurement as the Efficient Librarian
arXiv:quant-ph/0003003
Abstract
The complementary roles played by parallel quantum computation and quantum measurement in originating the quantum speed-up are illustrated through an analogy with a famous metaphor by J.L. Borges.
2 pages, RevTex, no figures. An excerpt from a longer (referenced) work, with a justification of the quantum speed-up