LibValue Database

Export 5 results:
Author Keyword Title Type [ Year(Asc)]
Filters: Author is Bollen, Johan  [Clear All Filters]
2008
Bollen J, Van de Sompel H.  2008.  Usage impact factor: The effects of sample characteristics on usage-based impact metrics. Journal of the American Society for Information Science & Technology. 59(1):136-149.
2007
Rodriguez MA, Bollen J, Van de Sompel H.  2007.  A practical ontology for the large-scale modeling of scholarly artifacts and their usage. Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries. Vancouver, BC, Canada:278-287.