Minnesota's Environmental Search uses the Ultraseek server as their search engine. The University of Wisconsin's Scout Report is a weekly publication that selects and reviews Web sites. 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.