ALTO: Technical Metadata for optical Character Recognition

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ALTO: Technical Metadata for optical Character Recognition

ALTO (Analyzed Layout and Text Object): Technical Metadata for Optical Character Recognition


An XML schema that details technical metadata for describing the layout and content of physical text resources.  It most commonly serves as an extension schema used withing the administration section of the Metadata Encoding and Transmission Schema however ALTO (Analyzed Layout and Text Object) can be used alone. 


Library of Congress

2016

3.1

Metadata, Structured Data


ALTO is often used within the administrative section of the Metadata Encoding and Transmission Schema (METS).


March 12, 2018


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