Online Journals: Utility of ToCs vs. Fulltext George S. Porter Ed Sponsler Caltech Library System
[email protected] Caltech • 285 Tenure-track faculty • 250 Principal investigators • 900 Undergraduates • 1100 Graduate students Caltech Library System • 55 FTE staff • 13 librarians • 5 information technologists • 49% of budget spent on information resources Why Use Click- Through Technology to Get Data on Ejournal Use? Never listen to what people say in response to a survey: Asking high-tech employees what will keep them in their jobs provides very different answers than the factors that actually drive retention. Jakob Nielsen, Alertbox 4 March 2001 CLSweb & the OJDB ies r t 5000 n 4000 3000 nal E2000 1000 Jour 0 156 Jun-97 654 Nov-97 1582 3234 3827 Mar-98 May-99 Dec-00 CLS Licensed Ejournals Ejournals Licensed 900 800 77 0 700 600 500 45 4 400 32 1 300 200 100 29 82 0 19 96 19 97 19 98 19 99 20 00 What’s Happened to the Print Use? "TOP 40" JOURNAL USE (Titles first available fulltext @ Caltech pre-1998) 4000 3500 e s U 3000 t in r 2500 P d e d 2000 r o c 1500 e l R a 1000 t o T 500 0 1997 1998 1999 2000 Year Journal of molecular biology (12/95) The Astrophysical journal (10/96) Applied physics letters (7/97) PNAS (9/97) The Journal of neuroscience (9/97) The Journal of chemical physics (10/97) Physical review letters (10/97) Journal of applied physics (10/97) The Journal of biological chemistry (12/97) What’s Happened to the Print Use? "TOP 40" JOURNAL USE (Titles first available fulltext @ CIT 1/98-3/98) 3500 3000 e s t U 2500 n i r