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Related Experiment Videos

Usage patterns of an online search system.

M D Cooper

    Journal of the American Society for Information Science. American Society for Information Science
    |August 9, 1983
    PubMed
    Summary

    This study analyzed search patterns in the National Library of Medicine

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    Area of Science:

    • Medical Informatics
    • Information Retrieval
    • Bibliographic Databases

    Background:

    • The National Library of Medicine's MEDLARS system is a critical resource for biomedical information.
    • Understanding user interaction with retrieval programs is key to optimizing information access.
    • The ELHILL retrieval program has been a significant interface for MEDLARS users.

    Purpose of the Study:

    • To analyze the usage patterns of the ELHILL retrieval program.
    • To identify common commands, system messages, and user errors within the MEDLARS system.
    • To provide recommendations for improving the ELHILL program and its query language.

    Main Methods:

    • Analysis of a sample of 6759 searches conducted using the ELHILL retrieval program.
    • Classification of system-generated messages.
    • Quantification of searcher error rates.

    Main Results:

    • Detailed frequency analysis of ELHILL commands and their options.
    • Categorization of system messages encountered by users.
    • Identification of prevalent searcher errors and their frequencies.

    Conclusions:

    • The findings offer insights into user behavior and system performance.
    • Recommendations are proposed for enhancing the ELHILL retrieval program's usability.
    • Suggestions include potential redesigns for the program and its query language to improve efficiency and reduce errors.

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