[TR-287] Terrier assumes that all retrieved document should have score > 0 Created: 04/Jun/14  Updated: 16/Jun/14  Resolved: 04/Jun/14

Status: Resolved
Project: Terrier Core
Component/s: None
Affects Version/s: None
Fix Version/s: 4.0

Type: Improvement Priority: Blocker
Reporter: Craig Macdonald Assignee: Craig Macdonald
Resolution: Fixed  
Labels: None

Issue Links:
relates to TR-304 Make appropriate fat and learning to ... Resolved

TRECDocidOutputFormat and TRECDocnoOutputFormat assumes that documents should have score > 0 to be retrieved. This isnt true of all settings.

Comment by Craig Macdonald [ 04/Jun/14 ]

Old matching classes used to initialise documents scores to 0. However:

  • OldBaseMatching has been removed from Terrier 4.
  • taat.Full uses AccumulatorResultSet internally
  • daat.Full uses CandidateResultSet internally
  • Both do not retrieve documents with score 0.
Comment by Craig Macdonald [ 04/Jun/14 ]

Went for score != Double.NEGATIVE_INFINITY. All unit tests pass.

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