The end of zero-hit queries: query previews for NASA’s Global Change Master Directory

Author: Greene Stephan   Tanin Egemen   Plaisant Catherine   Shneiderman Ben   Olsen Lola   Major Gene   Johns Steve  

Publisher: Springer Publishing Company

ISSN: 1432-5012

Source: International Journal on Digital Libraries, Vol.2, Iss.2-3, 1999-09, pp. : 79-90

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