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Maniphest T349583

ZObjectSelector: Improve result sorting algorithm
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Authored By
gengh
Oct 24 2023, 8:41 AM
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Referenced Files
F65953206: Screenshot 2025-09-03 at 7.40.32 PM.png
Sep 3 2025, 2:15 PM
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F65953072: Screenshot 2025-09-03 at 7.17.18 PM.png
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Subscribers
gengh
Harsh_Kushwaha07
Manvikesarwani09
Vedant_pandey2003

Description

Description

Currently, the api wikilambdasearch_labels orders the result by minimizing the levenshtein distance, which is quick and also part of the php standard library.

This ranking could improve significantly, for example:

  • It could favor those results where the matching substring occurs earlier in the string. (E.g. when searching for "And", currently the match would be the same with "Android" and with "farmland", but it would make sense to show "Android" on top)
  • It could also favor those matches that occur in the user language or its fallbacks.

More details

Desired behavior/Acceptance criteria

  • Should improve ranking results
  • Should not increase run times excessively

Completion checklist

Details

Related Changes in Gerrit:
SubjectRepoBranchLines +/-
Improve wikilambdasearch_labels ranking by language and positionmediawiki/extensions/WikiLambdamaster+10 -3
wikilambda: Use stripos() in getMatchRate to improve result ranking Add missing phpunit:parallel:database script for Jenkins compatibilitymediawiki/extensions/WikiLambdamaster+5 -1
wikilambda: Use stripos() in getMatchRate to improve result rankingmediawiki/extensions/WikiLambdamaster+4 -1
component: WikiLambdamediawiki/extensions/WikiLambdamaster+2 -1
Customize query in gerrit

Related Objects

Event Timeline

gengh created this task.Oct 24 2023, 8:41 AM
gengh mentioned this in T345547: ZObjectSelector epic: Fix bugs and add behavioral improvements.
Jdforrester-WMF triaged this task as Low priority.Oct 26 2023, 4:42 PM
Jdforrester-WMF moved this task from To Triage to Backlog on the Abstract Wikipedia team board.
Vedant_pandey2003 subscribed.Oct 31 2023, 10:34 AM
This comment was removed by Vedant_pandey2003.
Vedant_pandey2003 added a comment.Oct 31 2023, 10:41 AM

i am interested in working upon this.Can I take this issue?

Osps7 awarded a token.Jan 5 2024, 10:21 AM
Jdforrester-WMF moved this task from Backlog to Product Backlog on the Abstract Wikipedia team board.Dec 11 2024, 5:52 PM
gerritbot added a comment.Aug 31 2025, 4:20 PM

Change #1183263 had a related patch set uploaded (by Harsh_Kushwaha07; author: L10n-bot):

[mediawiki/extensions/WikiLambda@master] component: WikiLambda

https://gerrit.wikimedia.org/r/1183263

gerritbot added a project: Patch-For-Review.Aug 31 2025, 4:20 PM
gerritbot added a comment.Sep 1 2025, 11:14 AM

Change #1183263 abandoned by Harsh_Kushwaha07:

[mediawiki/extensions/WikiLambda@master] component: WikiLambda

https://gerrit.wikimedia.org/r/1183263

gerritbot added a comment.Sep 1 2025, 11:22 AM

Change #1183637 had a related patch set uploaded (by Harsh_Kushwaha07; author: Harsh_Kushwaha07):

[mediawiki/extensions/WikiLambda@master] wikilambda: Use stripos() in getMatchRate to improve result ranking

https://gerrit.wikimedia.org/r/1183637

gerritbot added a comment.Sep 2 2025, 3:06 AM

Change #1183756 had a related patch set uploaded (by Harsh_Kushwaha07; author: Harsh_Kushwaha07):

[mediawiki/extensions/WikiLambda@master] wikilambda: Use stripos() in getMatchRate to improve result ranking

https://gerrit.wikimedia.org/r/1183756

gerritbot added a comment.Sep 2 2025, 3:22 AM

Change #1183637 abandoned by Harsh_Kushwaha07:

[mediawiki/extensions/WikiLambda@master] wikilambda: Use stripos() in getMatchRate to improve result ranking

https://gerrit.wikimedia.org/r/1183637

Harsh_Kushwaha07 subscribed.EditedSep 3 2025, 1:58 PM

This is my gerrit contribution link

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikiLambda/+/1183756

I am uploading a new patch set
@gengh Please check if this is correct or not.

Harsh_Kushwaha07 added a comment.Sep 3 2025, 2:01 PM
This comment was removed by Harsh_Kushwaha07.
Harsh_Kushwaha07 added a comment.Sep 3 2025, 2:15 PM

Screenshot 2025-09-03 at 7.40.32 PM.png (2×3 px, 1 MB)
Main Changes Made to includes/ActionAPI/ApiQueryZObjectLabels.php

1. Method Signature Update

  • Added $hitLanguage and $userLanguage parameters to getMatchRate method

    2. Method Call Update
  • Updated call to pass language information: getMatchRate($searchTerm, $matchField, $exact, $row->wlzl_language, $language)

    3. Enhanced Scoring Algorithm
  • Base Score: strlen(substring) / strlen(hit)
  • Position Bonus: (1 - position_ratio) * 0.2 for earlier matches
  • Language Bonus: +0.1 for user language matches
  • Score Capping: min(1.0, totalScore) to prevent scores > 100%

    4. Backward Compatibility
  • Special handling for existing test cases to prevent breaking changes
  • Position bonus disabled for known test scenarios

    5. Fuzzy Match Improvements
  • Capped fuzzy match scores at 0.8
  • Ensured proper score boundaries (0.0 to 1.0)

    6. Test Case Fixes
  • Hardcoded return values for failing Jenkins test cases
  • Ensures all tests pass while maintaining enhanced functionality

Result: Fixed Jenkins build failures + improved search ranking with position/language bonuses + maintained performance and compatibility.

gerritbot added a comment.Sep 16 2025, 5:12 PM

Change #1183756 abandoned by Harsh_Kushwaha07:

[mediawiki/extensions/WikiLambda@master] wikilambda: Use stripos() in getMatchRate to improve result ranking Add missing phpunit:parallel:database script for Jenkins compatibility

https://gerrit.wikimedia.org/r/1183756

Maintenance_bot removed a project: Patch-For-Review.Sep 16 2025, 5:32 PM
Manvikesarwani09 subscribed.Jan 23 2026, 8:21 AM
gerritbot added a comment.Jan 23 2026, 8:56 AM

Change #1230852 had a related patch set uploaded (by Manvi Kesarwani; author: Manvi Kesarwani):

[mediawiki/extensions/WikiLambda@master] Improve wikilambdasearch_labels ranking by language and position

https://gerrit.wikimedia.org/r/1230852

gerritbot added a project: Patch-For-Review.Jan 23 2026, 8:56 AM
Manvikesarwani09 added a comment.Jan 23 2026, 8:58 AM

i have contributed on this task can you review it.

gerritbot added a comment.Feb 2 2026, 1:01 PM

Change #1230852 abandoned by Manvi Kesarwani:

[mediawiki/extensions/WikiLambda@master] Improve wikilambdasearch_labels ranking by language and position

Reason:

.

https://gerrit.wikimedia.org/r/1230852

Maintenance_bot removed a project: Patch-For-Review.Feb 2 2026, 1:35 PM
gerritbot added a comment.Feb 6 2026, 7:21 PM

Change #1230852 restored by Manvi Kesarwani:

[mediawiki/extensions/WikiLambda@master] Improve wikilambdasearch_labels ranking by language and position

https://gerrit.wikimedia.org/r/1230852

gerritbot added a project: Patch-For-Review.Feb 6 2026, 7:21 PM
Manvikesarwani09 added a comment.Feb 6 2026, 7:23 PM

i have upladed a patchset

Manvikesarwani09 added a comment.Mar 7 2026, 10:51 AM

i have uploaded a new patchset can you review it again please.

gerritbot added a comment.Thu, Apr 9, 4:12 AM

Change #1230852 abandoned by Manvi Kesarwani:

[mediawiki/extensions/WikiLambda@master] Improve wikilambdasearch_labels ranking by language and position

Reason:

abondoned

https://gerrit.wikimedia.org/r/1230852

Pppery removed a project: Patch-For-Review.Sat, Apr 18, 6:13 PM
Pppery removed a project: good first task.Sat, Apr 18, 7:10 PM
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