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Anchor
business
business
Business model issues

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This may become the countervailing pressure from distributed sites --

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functional
functional
Functional risks

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Relevance ranking proves intractably messy

Relevance ranking is notoriously hard to get right

  • Optimizing for one priority (e.g., prioritize finding people) may de-optimize another (e.g., prioritize finding by topic or geography) 
  • Some people will be hard to please

This will best be addressed by developing a set of test data and associated tests to verify that consistent results are being produced – and other features like support for nicknames or diacritics not broken.

Confusion over what semantic search means

 

Data quality issues will limit effectiveness, especially for directly linking across sites