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Automatic Indexing: A State-of-the-Art Report

Description: Report presenting a state-of-the-art survey of automatic indexing systems and experiments. It was conducted by the Research Information Center and Advisory Service on Information Processing, Information Technology Division, Institute for Applied Technology, National Bureau of Standards. Consideration is first given to indexes compiled by or with the aid of machines, including citation indexes. Advantages, disadvantages, and possibilities for modification and improvement are discussed. Experiments in automatic assignment indexing are summarized. Related research efforts in such areas as automatic classification and categorization, computer use of thesauri, statistical association techniques, and linguistic data processing are described. A major question is that of evaluation, particularly in view of evidence of human inter-indexer inconsistency. It is concluded that indexes based on words extracted from text are practical for many purposes today.
Date: March 30, 1965
Creator: Stevens, Mary Elizabeth
Item Type: Report

Calandria Core Weld Joint Development

Description: Abstract: The design and initial test of cutting and welding equipment developed to remotely cut and re-weld the bottom process tube joint are discussed in this report.
Date: June 30, 1965
Creator: Roberts, J. G.
Item Type: Report

Calibration of Liquid-in-Glass Thermometers

Description: Report discussing important elements of thermometer design. Factors affecting the use of common types of liquid-in-glass thermometers are included together with tables of tolerances and reasonably attainable accuracies. The calculation of corrections for the temperature of the emergent stem is given in detail for various types of thermometers and conditions of use.
Date: February 12, 1965
Creator: Swindells, James F.
Item Type: Report

Carbide Fuels in Fast Reactors

Description: Abstract: Cladding and fuel material processing prospects are reviewed, and fuel system possibilities for near-term (~1 mill/kwh) and long-range (<0.5 mil/kmh) fuel cycles are described.
Date: September 15, 1965
Creator: Wheelock, C. W.
Item Type: Report

Characteristics of U.S. Rice Fields and Their Effects on Ground Mobility

Description: "The primary objective of this study was to obtain information on the environmental characteristics of rice fields in the United States and the effect of these characteristics on ground mobility for comparison with similar characteristics of rice fields in Southeast Asia as data from the latter become available" (p. vii).
Date: December 1965
Creator: Kennedy, James Garland & Rush, Edgar S.
Item Type: Report

Close-in Air Blast from a Row Charge in Basalt

Description: From abstract: Close-in air blast measurements were made on the Dugout shot. Major constituents of the blast wave were the ground-shock-induced pulse and the pulse from venting gases. The ground-shock-induced pulse was the dominant one at all stations.
Date: August 4, 1965
Creator: Vortman, Luke J.
Item Type: Report

A Comparative Evaluation of Advanced Converters

Description: Report issued by the Oak Ridge National Laboratory discussing advanced converters. Comparisons of advanced converters are presented. This report includes tables, and illustrations
Date: January 1965
Creator: Rosenthal, M. W.; Adams, R. E.; Bennett, L. L.; Carter, W. L.; Douglas, D. A., Jr.; Hoskins, R. E. et al.
Item Type: Report

Copper: A Materials Survey

Description: Report issued by the U.S. Bureau of Mines discussing surveys conducted on copper. Physicality, mineral properties, history, geology, production methods, and uses of copper are presented. This report includes maps, tables, illustrations, and photographs.
Date: 1965
Creator: McMahon, A. D.
Item Type: Report

Crater Measurements

Description: From abstract: Based upon the results of Project Pre-Schooner new cratering curves for basalt have been developed. The deepest detonation Charlie, produced a mound of broken rock and earth that had a crater-like depression in its center entirely above the preshot ground surface.
Date: March 1965
Creator: Spruill, Joseph L. & Paul, Roger A.
Item Type: Report