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Maniphest T425618

[BLZMI] Wikidata Query Service UI Blazegraph Migration
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Description

Epic level ticket for all tasks related to the Wikidata Omega's scope of the Blazegraph Migration

Originally Scoped Tickets from WDP
T421423: [NEEDS GROOMING] Integrate the query UI with the new backend
T421427: [NEEDS GROOMING] Update example queries in WDQS query UI
T421426: [NEEDS GROOMING] Update WikibaseQualityConstraint (WBQC) to use the new query service backend
T421428: [NEEDS GROOMING] Update Query Builder to comply with SPARQL 1.1

Project Plan (Internal): https://docs.google.com/document/d/1y3H-aPRacz6jbPE5IPFolep1wCFq4Olw4WBjjpMC50I/edit?tab=t.4y2i3bujipz9

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StatusSubtypeAssignedTask
 OpenkarapayneWMDET425618 [BLZMI] Wikidata Query Service UI Blazegraph Migration
 OpenNoneT425335 [BLMI] Blazegraph migration - Query Service UI performance baseline
 OpenkarapayneWMDET425769 [BLZMI] Potential Quality of Live (QOL) Updates as part of Blazegraph Migration
 ResolvedBUG REPORTthiemowmdeT405748 When you switch interface languge in the query service, then click the examples button, the labels in the tag cloud are in the previous language
 OpenNoneT370415 [EPIC] [QS-GUI] Modernize the Query Service Client into an updated tech stack
 OpenNoneT288466 [QS-GUI] Port Wikidata Query UI to a modern build system
 Resolvedmahmoud.abdelsattar.wmdeT431080 🚧[QS-GUI] Upgrade QS GUI libraries and dependencies to more modern versions
 ResolvedkarapayneWMDET431803 🚧[QS-GUI] Convert application code to use Javascript Modules
 ResolvedkarapayneWMDET432221 [QS-GUI] 🚧 Make legacy code more readable / understandable
 ResolvedkarapayneWMDET433037 [BLZMI]🚧Triage legacy library updates for QS-GUI
 OpenNoneT311410 [SW] [QS-GUI] [TECH] Append `.index` to tracking namespace in wikibase.queryService.ui.App
 OpenBUG REPORTNoneT366866 [WDQS-GUI] WDQS UI uses deprecated DOMSubtreeModified to update query helper width
 OpenBUG REPORTNoneT409885 Wikidata Query Service UI should show alt code from WMF URL shortener
 ResolvedkarapayneWMDET433051 [BLZMI]🚧Fix CORS headers in QS-GUI
 OpenNoneT433598 [BLZMI] Fix hard-coded queries to use the full language fallback chain
 OpenBUG REPORTmahmoud.abdelsattar.wmdeT400440 Wikidata EntitySchema Validator seems broken
 OpenkarapayneWMDET430911 Blaze Graph Migration: Data Checks
 ResolvedkarapayneWMDET430291 [BLZMI][SPIKE] Investigate on the Query Service examples
 OpenBUG REPORTNoneT426558 https://query.wikidata.org/ code examples don't include bash examples. I have written one
 OpenAudreyPenven_WMDET430294 [BLZMI][SPIKE] Investigate on Query Builder to comply with SPARQL 1.1
 OpenNoneT432563 [BLZMI] Replace the labelservice functionality
 ResolvedkarapayneWMDET430293 [BLZMI][SPIKE] Investigate on the WikibaseQualityConstraint (WBQC) to use the new query service backend
 Resolvedmahmoud.abdelsattar.wmdeT431789 [BLZMI] Create script to generate items with constraint violations
 ResolvedkarapayneWMDET430292 [BLZMI][SPIKE] Investigate on the Query Service UI with Qlever endpoint
 ResolvedAudreyPenven_WMDET431790 [BLZMI] Create a test plan

Event Timeline

karapayneWMDE created this task.May 7 2026, 7:45 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMay 7 2026, 7:45 AM
karapayneWMDE added a subtask: T425335: [BLMI] Blazegraph migration - Query Service UI performance baseline.May 7 2026, 7:46 AM
karapayneWMDE updated the task description. (Show Details)May 7 2026, 7:49 AM
ARamirez_WMF subscribed.May 7 2026, 3:10 PM
karapayneWMDE moved this task from Incoming to Epics on the Wikidata-Omega (Radar/Epics/Stalled) board.May 8 2026, 7:46 AM
karapayneWMDE renamed this task from [BLMI] WIkidata Query Service UI Blazegraph Migration to [BLMI] Wikidata Query Service UI Blazegraph Migration.May 8 2026, 11:37 AM
karapayneWMDE added a subtask: T405748: When you switch interface languge in the query service, then click the examples button, the labels in the tag cloud are in the previous language.
karapayneWMDE created subtask T425769: [BLZMI] Potential Quality of Live (QOL) Updates as part of Blazegraph Migration.May 8 2026, 11:40 AM
karapayneWMDE removed a subtask: T405748: When you switch interface languge in the query service, then click the examples button, the labels in the tag cloud are in the previous language.
karapayneWMDE added a subtask: T400440: Wikidata EntitySchema Validator seems broken.May 8 2026, 11:50 AM
karapayneWMDE renamed this task from [BLMI] Wikidata Query Service UI Blazegraph Migration to [BLZMI] Wikidata Query Service UI Blazegraph Migration.Jul 10 2026, 11:55 AM
karapayneWMDE added a subtask: T430911: Blaze Graph Migration: Data Checks.
karapayneWMDE added subtasks: T430291: [BLZMI][SPIKE] Investigate on the Query Service examples, T430294: [BLZMI][SPIKE] Investigate on Query Builder to comply with SPARQL 1.1, T430293: [BLZMI][SPIKE] Investigate on the WikibaseQualityConstraint (WBQC) to use the new query service backend, T430292: [BLZMI][SPIKE] Investigate on the Query Service UI with Qlever endpoint.
mahmoud.abdelsattar.wmde updated the task description. (Show Details)Jul 10 2026, 12:05 PM
karapayneWMDE closed subtask T430292: [BLZMI][SPIKE] Investigate on the Query Service UI with Qlever endpoint as Resolved.Aug 3 2026, 3:29 PM
karapayneWMDE closed subtask T430291: [BLZMI][SPIKE] Investigate on the Query Service examples as Resolved.
karapayneWMDE closed subtask T430293: [BLZMI][SPIKE] Investigate on the WikibaseQualityConstraint (WBQC) to use the new query service backend as Resolved.Aug 3 2026, 3:32 PM
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