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  • Xquery is based on knowing the structure of the data being searched. It doesn't work well for general-purpose searches.
  • SDLIP is complex, doesn't have a query language
  • DASL is linked to SQL, but pretty good
  • Z39.50 is complex and fragile

OCLC's SRW server

Ralph LeVan at OCLC maintains a Java-based SRW/SRU server package. Out of the box, it can connect to OCLC's Pears database and the Lucene indexes created by DSpace.

Processing

  • doGet

SRWServletInfo reads the config files and sets up properities for all "known" databases.