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Search Engine Developments

Jon Warbrick University of Cambridge Computing Service jon.warbrick@ucs.cam.ac.uk. Search Engine Developments. web-search.cam.ac.uk. Indexes 400 more-or-less "official" web servers Provides 'packaged searches' for Ucam websites Uses 'Verity Ultraseek'

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Search Engine Developments

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  1. Jon WarbrickUniversity of Cambridge Computing Service jon.warbrick@ucs.cam.ac.uk Search Engine Developments

  2. web-search.cam.ac.uk • Indexes 400 more-or-less "official" web servers • Provides 'packaged searches' for Ucam websites • Uses 'Verity Ultraseek' • Currently a single search engine accessed by internal and external users

  3. Current architecture CUDN & cam.ac.uk Rest of the world

  4. Current architecture

  5. Current architecture

  6. Current architecture

  7. Current architecture

  8. The Problem • The Search engine is inside the CUDN boundary • ... and so can see 'ucam-only' material • ... which it will tell external users about • ... so we advise webmasters not to index it • ... but that means that internal users can't find it • It's also tricky to get the restrictions right

  9. Future architecture

  10. Future architecture

  11. Future architecture

  12. Future architecture

  13. Future architecture X

  14. Future architecture

  15. Future architecture

  16. Future architecture

  17. Things for you to do • Consider giving the internal search engine access to material currently excluded from indexing • User Agent isUltraseek (internal search; webmaster@ucs.cam.ac.uk) • Set-up 192.153.213.0 – 192.153.213.255 as being 'outside the University' – the external search engine will use one of these addresses and will NOT have a 'cam.ac.uk' name • Details athttp://www.cam.ac.uk/cs/web-search/developments.html

  18. Other possible enhancements • Spell checking • Passage-based summaries • Wild card queries • Thesaurus and smart 'no hits' page • Quick links • Following links in JavaScript • Page expert

  19. The Raven question • Should the search engine be able to index Raven-protected pages?

  20. Any more questions?

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