The NASA Astrophysics Data System (ADS), headquartered at the Harvard-Smithsonian Center for Astrophysics (CfA) in Cambridge, Mass., is a virtual library that offers "one-stop shopping" for physicists and astronomers seeking the latest research. ADS provides free access to a huge database of abstracts and full-text papers in those scientific fields. Many of those papers reside within the arXiv.org e-print server, which is owned and operated by Cornell University.
Sifting through these huge research archives presents an ongoing challenge. In April 2005, ADS and arXiv will join forces to improve the services they offer scientists by implementing three separate customizable Web and e-mail alerts. Now, scientists around the world will be automatically notified when preprints or journal papers relevant to their research field are published.