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Topical Search
Searching for information by subject is very powerful. It can narrow the search for a
specific item, or show broader relationships. There are many bibliographic schemes for
arranging subject terms, from hierarchical thesauri to semantic networks. Other
disciplines have diverse ways to organize their information space, and many researchers
are looking for unifying principles.
- CERES Environmental Information by Theme | -
the Thesaurus Browser supports hierarchical browse and search within the thesaurus
- Marco Polo (Internet content for the classroom) | -
a partnership between MCI WorldCom and seven educational organizations, providing five
discipline-specific educational sites oriented toward K-12 teachers
- Gateway to Educational Materials |
- helps teachers find topics among thousands of valuable educational
resources on Internet sites
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