Peer To Peer (Distributed) Search

• Z39.50

  • standard query language created for library databases, can be used for text as well.

• SOIF & RDM

  • Summary Object Interchange Format and Resource Description Messaging

  • early web effort to share indexes

• metasearch

  • Copernic Aggregator, Intelliseek, EasyAsk

• pure P2P

  • Gnutella (searches file names only)

  • InfraSearch (recently bought by Sun)

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Avi Rappoport SearchTools.com

Search Engines Meeting 2001