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  1. Terrier Core
  2. TR-221

Proposed score methods for org.terrier.matching.models.BM25.java

          Details

          • Type: Bug
          • Status: Resolved
          • Priority: Major
          • Resolution: Fixed
          • Affects Version/s: 3.5
          • Fix Version/s: 4.1
          • Component/s: .matching
          • Labels:
            None

            Description

            As explained on the forum (http://terrier.org/forum//read.php?3,1222), the 2-param and 5-param score methods differ slightly from the standard BM25 definition (the differences are not the same for each method).

              Attachments

                Issue Links

                is duplicated by

                Bug - A problem which impairs or prevents the functions of the product. TR-328 Missing "tf" in the numerator of the BM25 weighting function

                • Major - Major loss of function.
                • Resolved

                  Activity

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                  frousseau Francois Rousseau created issue -
                  frousseau Francois Rousseau made changes -
                  Field Original Value New Value
                  Attachment BM25.java [ 10359 ]
                  frousseau Francois Rousseau made changes -
                  Status Open [ 1 ] Patch Available [ 10000 ]
                  frousseau Francois Rousseau made changes -
                  Status Patch Available [ 10000 ] Open [ 1 ]
                  ounis Iadh Ounis made changes -
                  Summary Mistakes in score methods of org.terrier.matching.models.BM25.java Proposed score methods for org.terrier.matching.models.BM25.java
                  craigm Craig Macdonald made changes -
                  Attachment BM25.patch [ 10360 ]
                  frousseau Francois Rousseau made changes -
                  Attachment BM25.java [ 10359 ]
                  frousseau Francois Rousseau made changes -
                  Attachment BM25.java [ 10361 ]
                  frousseau Francois Rousseau made changes -
                  Attachment BM25.java [ 10361 ]
                  frousseau Francois Rousseau made changes -
                  Attachment BM25.java [ 10358 ]
                  frousseau Francois Rousseau made changes -
                  Attachment TR-221.patch [ 10370 ]
                  frousseau Francois Rousseau made changes -
                  Comment [ Corrected version of BM25.java ]
                  craigm Craig Macdonald made changes -
                  Fix Version/s 4.1 [ 10070 ]
                  craigm Craig Macdonald made changes -
                  Status Open [ 1 ] Resolved [ 5 ]
                  Resolution Fixed [ 1 ]
                  craigm Craig Macdonald made changes -
                  Link This issue is duplicated by TR-328 [ TR-328 ]

                    People

                    • Assignee:
                      craigm Craig Macdonald
                      Reporter:
                      frousseau Francois Rousseau
                    • Watchers:
                      0 Start watching this issue

                      Dates

                      • Created:
                        Updated:
                        Resolved: