Terence Smith University of California at Santa Barbara

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Terence SmithUniversity of California at Santa
Barbara Extending the CIS architecture
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Extensions to the core CIS architecture

• Extending the spectrum of search interoperability
• collections with non-DC metadata schemas
• distributed and heterogeneous collections
• richer search functionality
• geospatial search, thesaurus/concept space
  search, ...
• Supporting the creation of new and personalized
  collections
• Providing access to thesaurus and gazetteer
  services

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ADEPT architecture, middleware, and search buckets
client
uniform client services item-level metadata
mapped to search buckets (high-level, typed
fields with rich search semantics) uniform
collection- level metadata includes coverage
histograms plugins support common
collection implementations
collection discovery service
middleware
RDBMS
Z39.50
proxy
collection
collection
personal
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Three ways to extend search interoperability
metadata repository
harvest
OAI
portal
2. harvest interpret
3. h i
metadata
ADEPT
1. map
ADEPT collection discovery
ADEPT client
ADEPT
per collection provider
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Three sets of services

• Search over heterogeneous collections
• installations of ADEPT middleware
• mapping between OAI metadata and ADEPT search
  buckets
• Collection building services
• metadata entry tool for ADN metadata content
  standard
• personalized collections of existing and new
  metadata
• Information access services
• gazetteer and thesaurus protocols
• convert textual ? geospatial references