Henneken, Edwin A.; Kurtz, Michael J.; Accomazzi, Alberto; … - In: Journal of Informetrics 3 (2009) 1, pp. 1-8
In this paper we present a number of metrics for usage of the SAO/NASA Astrophysics Data System (ADS). Since the ADS is used by the entire astronomical community, these are indicative of how the astronomical literature is used. We will show how the use of the ADS has changed both quantitatively...