Bug #566

collaborative filter + ranking gives too much weight to generic results in expanded queries

Added by Emmanuel Benazera 8 months ago. Updated about 1 month ago.

Status:Closed Start:09/07/2011
Priority:High Due date:
Assigned to:Emmanuel Benazera % Done:

100%

Category:collaborative filtering Spent time: -
Target version:Bodie-HIPPY-0.4.1

Description

This problem has been known for a while.
My current understanding is that highly weighted generic results like 'ubuntu.com' tend to get too high of a boost.
I suspect that the ratio similarity_weight / result_hits is inappropriate.

History

Updated by Emmanuel Benazera 7 months ago

  • Priority changed from Normal to High

Updated by Emmanuel Benazera 6 months ago

  • Target version set to Bodie-HIPPY-0.4.1

Updated by Emmanuel Benazera 4 months ago

  • Status changed from New to In Progress
  • % Done changed from 0 to 80

testing an improvement, see commit.

Updated by Emmanuel Benazera about 1 month ago

  • Status changed from In Progress to Closed
  • % Done changed from 80 to 100

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