From Seamless to Limitless Access David Stern Director

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From Seamless to Limitless Access David Stern Director of Science Libraries and Information Services

From Seamless to Limitless Access David Stern Director of Science Libraries and Information Services Yale University david. e. stern@yale. edu New York, May 8 2003

Industry Trends Searching Issues Keywords u Controlled vocabulary u Citation tracking u Cross-database searching

Industry Trends Searching Issues Keywords u Controlled vocabulary u Citation tracking u Cross-database searching u Linking issues u DOI-based links (Cross. Ref) F “appropriate copy problem” local resolvers (sfx) u Metadata-driven (enhanced) links u

Standard Search/Link Model SEARCHER INDEX LINK FULL-TEXT

Standard Search/Link Model SEARCHER INDEX LINK FULL-TEXT

Enhanced Search/Link Model Database 1 Database 2 Database 3 SEARCHER INDEX LINK FULL-TEXT Sound

Enhanced Search/Link Model Database 1 Database 2 Database 3 SEARCHER INDEX LINK FULL-TEXT Sound Images Datasets WWW search engines Citation searches Biographies Reviews METADATA re-search

Enhanced options n Searching u Broadcast F and Federated Multiple simultaneous databases • On-demand

Enhanced options n Searching u Broadcast F and Federated Multiple simultaneous databases • On-demand outreach to targets F Harvesting (pre-created central index) F Standard syntax conversion(s) F Limits by discipline/material type u Integrated F Media type (metadata) F Normalized indexing • vocabularies • hierarchies

Enhanced options II n Linking u u Standard concerns F Multiple resources (html, pdf)

Enhanced options II n Linking u u Standard concerns F Multiple resources (html, pdf) F Local resolvers (subscriptions) F Local subscriptions (aggregators) F Customized link “brand” (logo) Enhanced possibilities F Customized to local options • Local resources • Selected added-value tools F Metadata re-searching • Obtain additional descriptors • Search across additional engines

Paradox introduced and solved n Problem u n Information overload Solution u Additional sources

Paradox introduced and solved n Problem u n Information overload Solution u Additional sources searched WITH F Single search syntax F Immediate limit options before search F Navigation assistance • Local resources identified/linked • Relevant resources highlighted F Enhanced metadata re-searching • Obtain additional logical relationships

Example broadcast and federated systems n Meta. Lib (Boston College) n Flashpoint (Los Alamos)

Example broadcast and federated systems n Meta. Lib (Boston College) n Flashpoint (Los Alamos) n Multi-SEARCH (U Arizona) n Search. Light (CDL) n OAI (many initiatives) u Cog. Prints u Dspace u Eprints u OAIster (Michigan)

Example linking systems n n Research. Index (sophisticated links) n Citebase (ranking) n ARC

Example linking systems n n Research. Index (sophisticated links) n Citebase (ranking) n ARC (eprint archives) http: //www. library. yale. edu/~dstern/advancedsearch. html