Recent Contributions to The Mathematical Theory of Communication |
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Weaver (Warren) |

Source: Shannon & Weaver - The Mathematical Theory of Communication |

Paper - Abstract |

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- This paper is written in three main sections. In the first and third, W.W. is responsible both for the ideas and the form. The middle section, namely “2), Communication Problems of Level A” is an interpretation of mathematical papers by Dr. Claude E. Shannon of the Bell Telephone Laboratories. Dr. Shannon’s work roots back, as von Neumann has pointed out, to Boltzmann’s observation, in some of his work on statistical physics (1894), that entropy is related to “missing information,” inasmuch as it is related to the number of alternatives which remain possible to a physical system after all the macroscopically observable information concerning it has been recorded. L. Szilard (Zsch. f. Phys. Vol. 53, 1925) extended this idea to a general discussion of information in physics, and von Neumann (Math. Foundation of Quantum Mechanics

- Introductory Note on the General Setting of the Analytical Communication Studies
- 1.1 Communication
- 1.2 Three Levels of Communications Problems

… Level A. How accurately can the symbols of communication be transmitted? (The technical problem.)

… Level B. How precisely do the transmitted symbols convey the desired meaning? (The semantic problem.)

… Level C. How effectively does the received meaning affect conduct in the desired way? (The effectiveness problem.) - 1.3 Comments

- Communication Problems at Level A
- 2.1 A Communication System and Its Problems
- 2.2 Information
- 2.3 Capacity of a Communication Channel
- 2.4 Coding
- 2.5 Noise
- 2.6 Continuous Messages

- The Interrelationship of the Three Levels of Communication Problems
- 3.1 Introductory
- 3.2 Generality of the Theory at Level A

Paper available on-line at Link (Defunct).

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