A Comparative Evaluation of Machine Aided Indexing at the Defense Documentation Center vs the Manual Indexing Done by the NSWC/Dahlgren Laboratory Technical Library
NAVAL SURFACE WEAPONS CENTER DAHLGREN LAB VA DAHLGREN United States
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A study was made of the DDC Machine indexing system MAI using 551,1498s WVIS published from 197374. The 1498s are all on electronic sensors. The author indexed the 551 documents manually using the Uniterm System of Coordinate Indexing. Technical Information Specialist assisted with the indexing and final acceptance of answers. Questions submitted by users at NSWCDL were run by DDC and the resulting print-outs were compared with the retrieved material from the authors files.