HEATKEYS

Home page for the National Digital Information Infrastructure and Preservation Program (NDIIPP) at the Library of Congress, a collaborative effort dedicated to ensuring that the digital information that conveys our history and heritage is available a...

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Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...

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