Issues

• Feature request: allow overriding the SPARQL endpoint UI's self-detected endpoint URL via portal config

  ontop/ontop#954 · Filter by author sarcanon opened on Oct 4, 2026

• Silently empty results for certain queries with TwoPhaseQueryUnfolder

  ontop/ontop#952 · Filter by author mgberg opened on Oct 1, 2026

• Error when validating SHACL constraint over classes declared in ontology only

  ontop/ontop#951 · Filter by author aktungmak opened on Sep 28, 2026
  1

• Bootstrap cmd fails with Athena

  ontop/ontop#948 · Filter by author vinothkanna027-tiger opened on Aug 31, 2026

• MinorOntopInternalBugException when reformulating a full native query with a computed expression in ORDER BY

  ontop/ontop#947 · Filter by author dmedora opened on Aug 18, 2026

• Support Athena JDBC v3 driver

  ontop/ontop#943 · Filter by author gitmpje opened on Jun 23, 2026

• Support for RDF 1.2 reification?

  ontop/ontop#937 · Filter by author sa-bpelakh opened on May 26, 2026

• OBDA mapping SQL: ST_AsGeoJSON(t.*, …) with PostgreSQL named args (=>) fails JSqlParser — ontop validate errors before DB

  ontop/ontop#936 · Filter by author danielbakas opened on Apr 21, 2026

• Incorrect and possibly missing ontology-related triples in VKG when enabling ontop.enableFactExtractionWithTBox

  ontop/ontop#930 · Filter by author fracorco opened on Mar 7, 2026

• SAP HANA Cloud Support

  ontop/ontop#928 · Filter by author claudiopark86 opened on Feb 12, 2026

• Lenses with Google Bigquery

  ontop/ontop#925 · Filter by author roelofsmn opened on Jan 16, 2026

• Ontop + Snowflake - various patterns cause SQL compilation errors

  ontop/ontop#923 · Filter by author coffeefilter77 opened on Jan 15, 2026
  3

• Datatype inference missing for DB_IDX

  status: acceptedtype: defect
  Bug

  ontop/ontop#922 · Filter by author bcogrel opened on Jan 9, 2026

• REGEXP_LIKE3 not implemented

  ontop/ontop#921 · Filter by author qootec opened on Dec 18, 2025

• What are the deployment methods of Ontop？Ontop的常见部署方式有哪些？

  ontop/ontop#920 · Filter by author linyanren1 opened on Dec 16, 2025

• mac 版的会出现问题

  ontop/ontop#917 · Filter by author ld-xy opened on Dec 4, 2025

• Connect Protege Plugin to Google Bigquery

  ontop/ontop#912 · Filter by author roelofsmn opened on Nov 20, 2025
  1

• mapping.baseIri configuration option

  status: acceptedtopic: r2rml compatibilitytype: defect
  ontop/ontop#910 · Filter by author mgberg opened on Nov 13, 2025
  1

• Issues with endpoint development mode automatic mapping reloading

  ontop/ontop#909 · Filter by author mgberg opened on Nov 13, 2025

• eliminate redundant table scans?

  status: requestedtopic: query reformulationtype: enhancementtype: performance
  ontop/ontop#903 · Filter by author justin2004 opened on Sep 30, 2025
  7

• lens expression reformulation

  status: under analysistype: defect
  ontop/ontop#899 · Filter by author justin2004 opened on Sep 11, 2025
  5

  

• st_geomfromtext vs ST_GeometryFromText

  ontop/ontop#887 · Filter by author justin2004 opened on Aug 19, 2025

• "MinorOntopInternalBugException: Was expecting a unique and known DB term type ..." possibly related to DBIfElseNullFunctionSymbol and/or use of iriSafeConstraints

  status: under analysistype: defect
  ontop/ontop#886 · Filter by author fracorco opened on Aug 14, 2025
  1

• distance function usage seems to need a lenses file

  status: under analysistype: defect
  ontop/ontop#885 · Filter by author justin2004 opened on Aug 7, 2025
  1

• support strdt

  ontop/ontop#873 · Filter by author justin2004 opened on Jun 4, 2025
  2