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Introduction to CORC

Introduction to CORC. OLAC/MOUG Seattle 2000-10-13. Eric Childress OCLC. Outline. History of CORC CORC™service Overview Libraries and the Web OCLC’s New Environment Resource Catalog Authority File Pathfinder Database WebDewey™ in CORC. History of CORC.

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Introduction to CORC

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  1. Introduction to CORC OLAC/MOUG Seattle 2000-10-13 Eric Childress OCLC

  2. Outline • History of CORC • CORC™service Overview • Libraries and the Web • OCLC’s New Environment • Resource Catalog • Authority File • Pathfinder Database • WebDewey™ in CORC

  3. History of CORC • Cooperative Online Resource Catalog (CORC) • Initial concept and proposal: • Office of Research retreat, Summer 1998 • Rationale: • The Web is increasingly the information conduit of choice • Librarians and libraries can add value to the Web as a information resource through: • Selection of quality resources • Superior description and indexing • Better presentation of selected resources • OCLC can help: • Extending OCLC’s cooperative model • Providing new tools

  4. History of CORC (cont.) • CORC Project team: • Director: Thom Hickey, Chief Scientist • OCLC Office of Research • OCLC Library Services • Documentation • Development • CORC System components: • Office of Research projects • Kilroy • Mantis • Scorpion • SiteSearch • Call for participation: Late 1998 Thom Hickey

  5. History of CORC (cont.) • Target for research project: • 100 libraries (.5 FTE ea.) over 12-18 months • 15% from outside the United States • Research phase starts: January 15, 1999 • Initial Resource Catalog from: • NetFirst records • InterCat records (from WorldCat) May/June 1999

  6. History of CORC (cont.) • Founders Phase (18 months) • Participants meetings: • May 1999, November 1999, July 2000 • Expands to ~500 libraries from 23 countries • Added approximately 25,000 records, 600 pathfinders • Users provide valuable guidance on design • CORC goes production: July 1, 2000 • Now: CORC Users Group • Officers: Suzanne Pilsk, Jackie Shieh • Next meeting: ALA, Monday January 15, 2001

  7. OCLC CORC™ service Overview • System requirements: current Web browser • All* users with Web access and OCLC cataloging authorizations may access CORC • *Exceptions: Cataloging Agent, CatExpress program • Pricing parallels standard OCLC Cataloging Service pricing • Two systems: • CORC production system (corc.oclc.org) • CORC practice system (purl.oclc.org/corc/practice)

  8. Libraries and the Web 1 OPAC-centered OPAC MARC Bib. Records MARC Auth. Records 2 Gateway-centered Pathfinders Gateway Dublin Core Metadata

  9. OCLC’s new environment OCLC Cataloging CORC Authority Records Resource Records Record Pathfinders OCLC Authority File

  10. CORC Resource Catalog Record • Initially a catalog of records for e-resources • Approx. 360,000 resource records (as of 10/2000) • Key features: • Boolean searching of Resource Catalog • Standard searching of WorldCat from CORC • CORC RC is synchronized with WorldCat • Supports harvesting data from Web pages to create initial records (single or multi-record) • User may choose Dublin Core or MARC editing views; output in MARC, DC HTML, DC RDF • Offers authority checking and linking features

  11. CORC Resource Catalog Searching the RC

  12. CORC Resource Catalog OCLC MARC view

  13. CORC Resource Catalog Dublin Core view

  14. CORC Authority File • Identical in scope to OCLC Cataloging service authority file • LC name, title, subject records • Key features: • Ability to search authority records • Keyword (Search) • Phrase (Browse) • Ability to control headings • Enable global replace of headings (automatic) • Ability to export authority record (MARC only)

  15. CORC Authority File Search/Browse screen

  16. Browsing the CORC Authority File 2 1 3 MARC Authority Record

  17. CORC Pathfinder Database • Pathfinders are edited lists of selected resources • The institution which creates a pathfinder may: • Retain full editing privileges • Share editing with selected additional institutions • Pathfinders may be cloned • Multiple choices for adding content: • Importing, keying, cutting and pasting • Linking to RC records, “canned” searches of the RC • Linking to graphics, Cascading Style Sheets (CSS) • May be exported as: • HTML page • Link (PURL and/or URL)

  18. CORC Pathfinder Database Searching the PF

  19. CORC Pathfinder Database Sample Pathfinder

  20. WebDewey™ in CORC • Dewey Decimal Classification available through the Web • Includes: • DDC suggestion tool for classifying Web sites during harvesting • DDC-to-LCSH mapping • Access: • Currently only accessible through CORC • Requires ordering and an annual fee • Updated quarterly

  21. WebDewey™ in CORC Search/Browse screen

  22. WebDewey™ in CORC Search results

  23. Related links: • OCLC CORC™ service: • CORC information (purl.oclc.org/corc) • CORC production system (corc.oclc.org) • CORC practice system (purl.oclc.org/corc/practice) • WebDewey™ in CORC: • Forest Press home page (www.oclc.org/fp) • OCLC Institute: • Home page (www.oclc.org/institute) • Dublin Core Metadata Initiative • Home page (purl.org/DC)

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