Astron. Astrophys. Suppl. Ser. 143, 61-83
The NASA Astrophysics Data System: The search engine and its user interface
Guenther Eichhorn - Michael J. Kurtz - Alberto Accomazzi - Carolyn S. Grant - Stephen S. Murray
Send offprint request: G. Eichhorn,
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, U.S.A.
Received August 30; accepted September 3, 1999
The search engine is a custom-built software system that is specifically tailored to search astronomical references. It includes an extensive synonym list that contains discipline specific knowledge about search term equivalences.
Search request logs show the usage pattern of the various search system capabilities. Access logs show the world-wide distribution of ADS users.
The ADS can be accessed at:
Key words: methods: data analysis -- databases: misc -- publications, bibliography