Abstract
Digital technology encourages the hope of searching across and between different media forms (text, sound, image, numeric data). Topic searches are described in two different media: text files and socioeconomic numeric databases and also for transverse searching, whereby retrieved text is used to find topically related numeric data and vice versa. Direct transverse searching across different media is impossible. Descriptive metadata provide enabling infrastructure, but usually require mappings between different vocabularies and a search-term recommender system. Statistical association techniques and natural-language processing can help. Searches in socioeconomic numeric databases ordinarily require that place and time be specified.
Highlights
Search for independent contentNumeric data sets commonly have associated text in the form of documentation, code books, and commentary
Digital technology encourages the hope of searching across and between different media forms
Transverse search in the other direction, starting from a data table, is achieved by forwarding the caption of a table to the word-to-Library of Congress Subject Headings (LCSH) EVI to generate a prompt list of the seven top-ranked LCHSs, any one of which can be used as a query submitted to the catalog
Summary
Numeric data sets commonly have associated text in the form of documentation, code books, and commentary. Attention was turned to a collection of different numeric data sets available through a single interface, Counting California, made available by California Digital Library at http://countingcalifornia.cdlib.org This resource is a collection of some three thousand numeric tables containing statistics related to a range of topics. Public libraries when submitted as a query, retrieves a ranked list of table names, of which two, covering different time periods, are entitled Library Statistics, Statewide Summary by Type of Library, California. Transverse search in the other direction, starting from a data table, is achieved by forwarding the caption of a table to the word-to-LCSH EVI to generate a prompt list of the seven top-ranked LCHSs, any one of which can be used as a query submitted to the catalog. A user can start a search using either interface (boxes 1 or 11) and, from either starting point, find records on the same topic of interest in a textual (here bibliographic) database and a socioeconomic database
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