OCLC Research OCLC Online Computer Library Center

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<ul><li> 1. Research &amp; New Technologies Interest Group24 October 2005 DeweyBrowser &amp; Curiouser Diane Vizine-Goetz OCLC Research</li></ul> <p> 2. DeweyBrowser </p> <ul><li>The DeweyBrowser is a research prototype that supports searching and browsing collections of resources organized by Dewey </li></ul> <ul><li>The prototype was developed to make the most of DDC numbers assigned to library materials and to explore the use of AJAX (Asynchronous JavaScript and XML) </li></ul> <p> 3. DeweyBrowser </p> <ul><li>The interface presents search results at three levels, i.e., the three main summaries of Dewey </li></ul> <ul><li>To use the prototype, a user navigates up and down the Dewey hierarchy by clicking on a category or enters a search term </li></ul> <ul><li>The categories are color-coded to indicate where matching records occur </li></ul> <ul><li><ul><li>red, orange, and yellow (warm colors) many records </li></ul></li></ul> <ul><li><ul><li>green and blue (cool colors) fewer records </li></ul></li></ul> <ul><li><ul><li>white no matching records </li></ul></li></ul> <p> 4. DeweyBrowser </p> <ul><li>Summaries can be displayed in English, French, German, Spanish, or Swedish </li></ul> <ul><li>Search and browse results can also be limited to resources written in a particular language</li></ul> <p> 5. DeweyBrowser </p> <ul><li>The DeweyBrowser has been deployed over three collections of resources: </li></ul> <ul><li><ul><li>ebooks- 210,000+ electronic books </li></ul></li></ul> <ul><li><ul><li>wcat 2.2 million of the most widely held WorldCat records</li></ul></li></ul> <ul><li><ul><li>abr14 selected data from the Abridged Edition 14 of DDC </li></ul></li></ul> <ul><li>WorldCat and ebooks collections are linked to the Find in a Library Web service </li></ul> <p> 6. Dewey Browser </p> <ul><li>The Abridged 14 collection includes a collaborative editing feature that enables authorized users to suggest index terms for a DDC class (Suggested terms) </li></ul> <ul><li>Suggested terms will be delivered to interested users via RSS </li></ul> <p> 7. DeweyBrowser &amp; AJAX </p> <ul><li>AJAX is an approach to programming web interfaces that allows user interaction with a web page without refreshing the whole screen </li></ul> <ul><li>Using AJAX speeds up the interface by only requesting parts of a page</li></ul> <ul><li>Refreshing only the part of the screen that changes tends to encourage exploration, behavior that is central to how the DeweyBrowser was designed to be used </li></ul> <ul><li>The DeweyBrowser is an example of an entire application built using AJAX </li></ul> <p> 8. 9. Curiouser</p> <ul><li>Curiouser is an approach to making the best use of data about items in WorldCat and a user interface for exploring and selecting works and items </li></ul> <ul><li>The prototype interface </li></ul> <ul><li><ul><li>employs the OCLC FRBR work-set algorithm </li></ul></li></ul> <ul><li><ul><li>exploits structured data in bibliographic, authority, and holdings records, </li></ul></li></ul> <ul><li><ul><li>integrates techniques from FictionFinder for display and navigation of records in a FRBR context, </li></ul></li></ul> <ul><li><ul><li>explores Web services and other data sources to enhance the utility of Open WorldCat </li></ul></li></ul> <p> 10. OCLC FRBR Work-Set Algorithm </p> <ul><li>A work set is a group of bibliographic records with the same Author/Title key </li></ul> <ul><li>A key is generated for each bibliographic record </li></ul> <ul><li>Variant forms of names and titles are converted to established forms based on the OCLC authority file </li></ul> <ul><li>Keys are sorted and compared to form work sets </li></ul> <p> 11. Family of Works* Original RussianTranslation Pop-up book Annotated edition *See:Tillett, Barbara. 2004. What is FRBR?: A Conceptual Model for the Bibliographic Universe. Available at: http://www.loc.gov/cds/downloads/FRBR.PDF 12. 13. Examples </p> <ul><li>The lion, the witch and the wardrobe </li></ul> <ul><li>Don Quixote </li></ul> <ul><li>Joy of cooking </li></ul> <ul><li>The bell jar </li></ul> <p> 14. 15. 16. 17. 18. Links </p> <ul><li>OCLC Research </li></ul> <ul><li><ul><li>http://www.oclc.org/research/ </li></ul></li></ul> <ul><li>ResearchWorks </li></ul> <ul><li><ul><li>http://www.oclc.org/research/researchworks/ </li></ul></li></ul> <ul><li>Curiouser </li></ul> <ul><li><ul><li>http://www.oclc.org/research/projects/curiouser/ </li></ul></li></ul> <ul><li>DeweyBrowser </li></ul> <ul><li><ul><li>http://www.oclc.org/research/researchworks/ddc/browser.htm </li></ul></li></ul>


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