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- Title
The Alexandria Digital Library architecture.
- Authors
Frew, J.; Freeston, M.; Freitas, N.; Hill, L.; Janée, G.; Lovette, K.; Nideffer, R.; Smith, T.; Zheng, Q.
- Abstract
Abstract. Since 1994, the Alexandria Digital Library Project has developed three prototype digital libraries for georeferenced information. This paper describes the most recent of these efforts, a three-tier client-server architecture that relies heavily on a middleware layer to present a single uniform set of interfaces to multiple heterogeneons servers. These standard interfaces, all of which are implemented in HTTP, support session management, collection discovery and evaluation, metadata searching, metadata retrieval, and online holding retrieval. An XML-based metadata encoding scheme and a simple Boolean query language have also been developed. The architecture described by these interfaces has been implemented at UCSB.
- Subjects
DIGITAL libraries; REFERENCE sources; HTTP (Computer network protocol); METADATA
- Publication
International Journal on Digital Libraries, 2000, Vol 2, Issue 4
- ISSN
1432-5012
- Publication type
Article
- DOI
10.1007/s007990050004