About half of their reviews have full cataloging information, using a set of elements mapped to both Dublin Core and MARC . Scout Report Signpost provides full-text searching of back issues of the review summaries. Fully cataloged records can also be browsed by Library of Congress Subject Headings and Classification categories. Advanced search provides a fielded search option that covers fully cataloged records. The Gateway to Educational Materials is a kind of union catalog for Internet-accessible educational resources like lesson plans.
Members contribute records to the Gateway that conform to the GEM Metadata Profile .
These museums often use different cataloging formats. AMOL has developed a minimum requirement of 8 fields based on Dublin Core . The search interface offers a general keyword search as well as a choice of 5 different fields for more refined searching. These 5 fields correspond to underlying Dublin Core meta tags that are embedded in the HTML records. Dublin Core Metadata Initiative Hugins, Jean, Grace Agnew, and Elizabeth Brown.