We describe the results from a pilot study that compared two different discovery systems designed and built to operate in the same educational digital library — one based on searching over metadata records and another hybrid system which combined metadata and content-based indexing.
Citation:
Tamara Sumner, Sonal Bhushan, Faisal Ahmad, Lynne Davis, "A Comparison of Two Educational Resource Discovery Systems," jcdl, pp.408, Third ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL'03), 2003