1 herbert van de sompel CS 502 Computing Methods for Digital Libraries Cornell University – Computer Science Herbert Van de Sompel Lab : Identifiers and services Access to PC orpcuser orpcpw

2 herbert van de sompel Astrophysics Data System Bibcode: Journal Abbrevs: ADS service: check out the importance of BibCode Explore abstract service Explore journal article service Link out to external article; look at references Check preferences

3 herbert van de sompel Institute of Physics Publishing Go standard service Go to the level of an article Check out references Look at reference links and how they are identified Now go URL= ww.iop.org/EJ/

4 herbert van de sompel DOI/CrossRef Go Gallery Go IDEAL => Molecular Therapy Check out citation of the article Check out the references, find CrossRef doi-link

5 herbert van de sompel Do a search Identifiers? How about MS Classification? Go MR Lookup MathSciNet