Authorities-Out-of-Control.ppt

,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Authorities Out of Control,Why Authority Control is Needed,Authority control is,The use of controlled vocabulary to promote consistency in searching results,The process of providing links among records with significant relationships(e.g.,cross-references),天津塔吊租赁 河北塔吊租赁 西安塔吊租赁 塔吊租赁 bother with authority control?,Authority control helps users search library catalogs or indexes more effectively and efficiently,Lack of authority control=Internet searching,Authority control is not a biographical dictionary,Informational notes support x-references and provide identifying information,Information may be recorded without changing the heading(birth&death dates,fuller name information),Headings should be consistent,Headings incorrect,Death date added,Same Nixon,different catalog,Headings should be unique,Not only should headings be unique from other headings but also from cross-references!,Madonna,Mary,Blessed Virgin Saint,Madonna,The,Madonna,1958-,Ciccone,Madonna Louise Veronica,1958-,X-ref matching heading,100 1 Springer,John M.,670 NASA,100 1 Springer,John M.|q(John Marion),|d 1959-,400 1 Springer,John M.,670 Phone call to Graduate Office,John Marion Springer,b.1959,Multiple authors,single authority record,Linkages,Controlled vs.Keyword Searching,Commonly known terms may be very different from authorized heading,The ability of an online system to return results based on x-references in the authority record may be crucial to search results,PLO is not authorized heading,Subject search on heading,Geographic qualifier dropped,Changes in art headings a brief example,More art,2,nd,&3,rd,subjects should be combined;|y 19,th,century added to end of 2,nd,subject heading,4,th,heading should be:Hudson River Valley(N.Y.and N.J.)|x In art.,Heading corrected:previous,Heading corrected:New form,Mis,-tagging,Personal name,mis,-tagged as geographic,Not a problem for patrons if your subjects are all grouped in one file for searching but will continue to show on unauthorized headings reports,What to do first,My personal philosophy on corrections:Fix errors which impact searching first,display second,and fit in heading changes as possible,Delete duplicate headings as found,LC CPSO continued,Library of Congress Classification Weekly Lists,are available via the CPSO home pageWeekly lists of additions and changes to the Library of Congress Classification are posted on the Cataloging Policy and Support Office web site as they are approved.This information was formerly made available in a quarterly publication entitled,LC Classification:Additions and Changes,.That publication ceased with List 284(October-December 2001).,Bibliographic Resources continued,Chan,Lois Mai,and Diane,Vizine,-Goetz.“Errors and Obsolete Elements in Assigned Library of Congress Subject Headings:Implications for Subject Cataloging and Subject Authority Control.”,Library Resources&Technical Services,41(4)(1997):295-322.,Bibliographic Resources continued,Clack,Doris.,Authority Control:Principles,Practices,and Instructions,.Chicago:ALA,1990.,Maxwell,Robert L.,Maxwells Guide to Authority Work,.Chicago:ALA,2002.,Bibliographic Resources continued,Piepenburg,Scott.,MARC Authority Records Made Easy:A Simplified Guide to Creating Authority Records for Library Automation Systems,.San Jose,Calif.:F&W Associates,2000.,Talmacs,Kerrie.“Authority Control.”In,Technical Services Today and Tomorrow,Michael Gorman et.al.Englewood,Colo.:Libraries Unlimited,1998.,