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- W4205463685 abstract "In this paper, we present a case study of how well subject metadata (comprising headings from an international classification scheme) has been deployed in a national data catalogue, and how often data seekers use subject metadata when searching for data. Through an analysis of user search behaviour as recorded in search logs, we find evidence that users utilise the subject metadata for data discovery. Since approximately half of the records ingested by the catalogue did not include subject metadata at the time of harvest, we experimented with automatic subject classification approaches in order to enrich these records and to provide additional support for user search and data discovery. Our results show that automatic methods work well for well represented categories of subject metadata, and these categories tend to have features that can distinguish themselves from the other categories. Our findings raise implications for data catalogue providers; they should invest more effort to enhance the quality of data records by providing an adequate description of these records for under-represented subject categories." @default.
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- W4205463685 date "2021-01-01" @default.
- W4205463685 modified "2023-09-26" @default.
- W4205463685 title "Evaluating Utility and Automatic Classification of Subject Metadata from Research Data Australia" @default.
- W4205463685 doi "https://doi.org/10.5771/0943-7444-2021-3-219" @default.
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