Front Cover; Advances in Computers, Volume 6; Copyright Page; Contents; Contributors to Volume 6; Preface; Contents of Previous Volumes; Chapter 1. Information Retrieval; 1. Introduction; 2. The Information-Storage and -Retrieval Cyole; 3. Types of Retrieval; 4. Automatic Document Indexing and Classification; 5. Automatic Aids to Retrieval and Dissemination; 6. Automatic Fact Retrieval; 7. Conclusion; References; Chapter 2. Speculations Concerning the First Ultraintelligent Machine; 1. Introduction; 2. Ultraintelligent Machines and their Value; 3. Communication as Regeneration.

4. Some Representations of "Meaning" and Their Relevance to Intelligent Machines5. Recall and Information Retrieval; 6. Cell Assemblies and Subassemblies; 7. An Assembly Theory of Meaning; 8. The Economy of Meaning; 9. Conclusions; 10. Appendix: Informational and Causal Interactions; References; Chapter 3. Digital Training Devices; 1. Introduction; 2. Training Requirements; 3. Training Simulators Using General purpose Digital Computers; 4. Programming Considerations; 5. Non-Training Uses of a Training Simulator; 6. Future Training Device Requirements; Chapter 4. Number Systems and Arithmetic.

1. Introduction2. Classification and Characterization of Number Systems; 3. Addition; 4. Redundant Number Systems; 5. Multiplication; 6. Division; 7. Residue Number Systems; 8. Digit by Digit Computation; References; Chapter 5. Considerations on Man versus Machines for Space Probing; 1. Introduction; 2. Human and Machine Intelligence; 3. Problem Definition in Engineering Terms; 4. Summary of Information Handling by Man and Machines; 5. Information Capacity of the Human Channel; Acoustic and Visual Stimuli; 6. Somesthetic Communication; 7. Data Processing by Machines.

8. Comparison of the Bit Rate in Manned and Mechanized Systems9. Considerations on the Communication Links; 10. Possible Solutions and Recommendations; 11. Conclusion; Bibliography; Chapter 6. Data Collection and Reduction for Nuclear Particle Trace Detectors; 1. Introduction; 2. Bubble Chambers; 3. The Data Reduction Problem for Bubble Chambers; 4. Advances in Automatic Data Analysis for Bubble Chambers; 5. Spark Chambers; 6. The Data Problem for Spark Chambers; 7. Filmless Operation of Spark Chambers; 8. Some Other Particle Trace Detectors; 9. On-Line Data Processing in Physics.