Open Digital Libraries Edward A. Fox Virginia Tech, Dept. of Computer Science
November 6, 2002Edward A. Fox, Virginia Tech2 Thesis Statement Open Digital Libraries (DLs) Open Archives Initiative (OAI) Protocol for Metadata Harvesting (PMH) Extending OAI-PMH provides the glue for building componentized DLs. Lightweight protocols connect the components to support modular systems with good efficiency.
November 6, 2002Edward A. Fox, Virginia Tech3 Research in a Nutshell We build extensible modular systems with customizable services. This supports interoperability and allows distributed development. This is in use in AmericanSouth.org, … Components include search, browse, annotate, editorial support, union, filter, whats-new, submit, rate, recommend, …
November 6, 2002Edward A. Fox, Virginia Tech Program Document Document Document Program Program Image Image Image Video Video Video usersdigital objects ?
November 6, 2002Edward A. Fox, Virginia Tech Program Document Document Document Program Program Image Image Image Video Video Video componentized digital library ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
November 6, 2002Edward A. Fox, Virginia Tech Program Document Document Document Program Program Image Image Image Video Video Video open digital library OA PMH XPMH
November 6, 2002Edward A. Fox, Virginia Tech7 Open Digital Library Component Extended OPEN ARCHIVE OPEN ARCHIVE
November 6, 2002Edward A. Fox, Virginia Tech Program Document Document ETD Program ETD Image Image ETD Video Video ETD-4 Digital Library for the Networked Digital Library of Theses and Dissertations ( Search Filter Union Recent Browse PMH ODLRecent ODLBrowse ODLUnion ODLSearch ODLUnion PMH USER INTERFACE Students and researchers ETD collections Example Open Digital Library
November 6, 2002Edward A. Fox, Virginia Tech9 Example Open Digital Library Digital Library for the Computer Science Teaching Center (
November 6, 2002Edward A. Fox, Virginia Tech10 Digital Library In A Box part of NSF’s National Science Digital Library ( offers “Shrink-wrap” Open Digital Library Components. Users install ready-made digital library solutions, or build their own from snap- together components.
November 6, 2002Edward A. Fox, Virginia Tech11 Benefit to AOL AOL could rapidly develop prototypes for sophisticated systems. AOL users could do the same. Such OAI collections could be a new base of data for AOL services. AOL could help/encourage its user community to build their own DLs and to share their data through OAI-PMH.
November 6, 2002Edward A. Fox, Virginia Tech12 Contact Information Edward A. Fox Dept. of Computer Science,Virginia Tech FAX: