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On-Line Retrieval of Chemical Patent Information. An Overview and a Brief Comparison of Three Major Files.
Roger Grant Smith
Louise P. Anderson
Susan K. Jackson
Published in:
J. Chem. Inf. Comput. Sci. (1977)
Keyphrases
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patent information
information retrieval
relevance feedback
information retrieval systems
intellectual property
databases
query expansion
image retrieval
test collection
document retrieval
database
website