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Cushman Exposed Exploiting Controlled Vocabularies to Enhance Browsing and Searching of an Online Photograph Collection Michelle Dalmau and Jenn Riley Indiana University Digital Library Program Overview Background Information Metadata Browse and Search Functionality Indiana University Digital Library Program DLF 2003 May 14 16 Controlled Vocabularies for Increased Access Why do we use controlled vocabularies CV To increase access But do we really increase access when we don t utilize the CV s structure in browsing and searching No So then how can we utilize the CV structure to promote access Indiana University Digital Library Program DLF 2003 May 14 16 Looking Back U S Steel Gary Works Photograph Collection 2 200 Images Archival descriptions Assigned subject terms from CV Subject field search requires referencing the A Z list of subjects Usability studies revealed not using the CV s syndetic structure impacts searching Indiana University Digital Library Program DLF 2003 May 14 16 The Cushman Collection Funded with an Institute of Museum Library Services IMLS grant 15 000 color slides taken between 1938 1969 Cushman provided a significant amount of description Additional metadata to enhance genre subject and geographic access Indiana University Digital Library Program DLF 2003 May 14 16 Metadata for Image Collections Advantages to free text descriptions Preserve photographer s notations Resembles the user s language Advantages to CV descriptors More access points Structure Collocation Disambiguation Interoperability Indiana University Digital Library Program DLF 2003 May 14 16 Metadata for the Cushman Collection Cushman s description Dates Location Names TGM I LC Thesaurus for Graphic Materials Subject Terms TGM II LC Thesaurus for Graphic Materials Genre Physical Characteristics TGN Getty Thesaurus of Geographic Names Indiana University Digital Library Program DLF 2003 May 14 16 TGM I Subject Terms Strengths and Weaknesses Strengths include Pre defined relationships



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