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Structural Metadata

Structural Metadata. Kelly Robertson SLIS 5223 Spring 2005. What is structural metadata?. Gives the computer instructions on how digital objects are to be viewed. Organizes the files that make up digital objects Organizes digital objects in relation to one another.

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Structural Metadata

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  1. Structural Metadata Kelly Robertson SLIS 5223 Spring 2005

  2. What is structural metadata? • Gives the computer instructions on how digital objects are to be viewed. • Organizes the files that make up digital objects • Organizes digital objects in relation to one another. • Can be used to mark-up a digital object.

  3. What is it being used for? • Organize multiple files of the same object • Keeping archival and derivative versions of the same digitized object together. • Keeping an audio file and its transcript together. • Organize and relate multiple digital objects to each other. • Can be used to create finding aids for digital collections.

  4. What is it being used for? • Provide placement of images in relation to each other. • UC Berkeley Library used it to place topographic quadrangles in relation to each other to create a larger map of the San Francisco Bay Area (http://sunsite.berkeley.edu/mapsaux/histopo/sfhistopo.html)

  5. Metadata schemas and carriers • XML (Extensible Markup Language) • METS (Metadata Encoding and Transmission Standard) • MODS (Metadata Object Description Schema) • TEI (Text Encoding Initiative) • EAD (Encoded Archive Description)

  6. METS Example The entire record can be found at: http://xml.coverpages.org/METS-Overview200107.html#structmap <structMapTYPE="logical">  <div ID="div1" LABEL="Oral History: Mayor Abraham Beame" TYPE="oral history"> <div ID="div1.1" LABEL="Interviewer Introduction" ORDER="1">

  7. METS Example Cont’d <fptr FILEID="FILE001"> <area FILEID="FILE001" BEGIN="INTVWBG" END="INTVWND" BETYPE="IDREF" /></fptr> <fptr FILEID="FILE002"><area FILEID="FILE002" BEGIN="00:00:00" END="00:01:47" BETYPE="TIME" /></fptr> <fptr FILEID="FILE003"><area FILEID="FILE003" BEGIN="00:00:00" END="00:01:47" BETYPE="TIME"/></fptr> </div>

  8. METS Example Cont’d <div ID="div1.2" LABEL="Family History" ORDER="2"> <fptr FILEID="FILE001"><area FILEID="FILE001" BEGIN="FHBG" END="FHND" BETYPE="IDREF" /></fptr> <fptr FILEID="FILE002"><area FILEID="FILE002" BEGIN="00:01:48" END="00:06:17" BETYPE="TIME" /></fptr> <fptr FILEID="FILE003"><area FILEID="FILE003" BEGIN="00:01:48" END="00:06:17" BETYPE="TIME" /></fptr></div>

  9. METS Example Cont’d <div ID="div1.3" LABEL="Introduction to Teachers' Union" ORDER="3"><fptr FILEID="FILE001"><area FILEID="FILE001" BEGIN="TUBG" END="TUND" BETYPE="IDREF" /></fptr><fptr FILEID="FILE002"><area FILEID="FILE002" BEGIN="00:06:18" END="00:10:03" BETYPE="TIME" /></fptr> <fptr FILEID="FILE003"><area FILEID="FILE003" BEGIN="00:06:18" END="00:10:03" BETYPE="TIME" /></fptr></div> </div></structMap> 

  10. Conclusion • Structural metadata organizes and provides information on how to display files in a digital object. It also organizes digital objects into collections. • There are many different metadata schemas for structural metadata, including homegrown ones, but XML and METS are the predominate ones. • Currently there are no widespread programs to aid in creating structural metadata. Given the increasing complexity of it, this will probably change in the future.

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