Issues

• Query fails with "Variable ?x not found in context" when an expression uses a variable that is not in the pattern

  DataTreehouse/maplib#84 · Filter by author MathiasVDA opened on Oct 5, 2026

• xsd:dateTime / xsd:dateTimeStamp normalised to UTC on read: timezone offset lost, +00:00 added to local times

  DataTreehouse/maplib#80 · Filter by author MathiasVDA opened on Oct 4, 2026
  1

• SPARQL STRAFTER/STRBEFORE return the whole string instead of "" when there is no match

  DataTreehouse/maplib#79 · Filter by author MathiasVDA opened on Oct 3, 2026

• SPARQL ROUND() rounds negative half-way values away from zero (spec: towards positive infinity)

  DataTreehouse/maplib#78 · Filter by author MathiasVDA opened on Oct 3, 2026

• SHACL rules: rules whose WHERE has no triple pattern on $this never run for focus nodes that appear after the first pass

  DataTreehouse/maplib#77 · Filter by author MathiasVDA opened on Oct 3, 2026
  1

• SHACL rules: inference never terminates when a rule re-asserts a triple that already exists in the data graph

  DataTreehouse/maplib#76 · Filter by author MathiasVDA opened on Oct 3, 2026

• llm generated SPARQL ?

  DataTreehouse/maplib#75 · Filter by author remiadon opened on Sep 24, 2026

• INSERT DATA and negated property sets (!<iri>) are unimplemented

  DataTreehouse/maplib#73 · Filter by author margintop15px opened on Sep 1, 2026

• DELETE panics on a UNION branch containing a 3-hop join chain (delete.rs:146)

  DataTreehouse/maplib#72 · Filter by author margintop15px opened on Sep 1, 2026

• thorough doc for licensed functions

  DataTreehouse/maplib#71 · Filter by author remiadon opened on Aug 22, 2026
  1

• Tutrtle decimals not trimmed and lexically inconsistent :(

  DataTreehouse/maplib#70 · Filter by author henrieglesorotos opened on Aug 19, 2026
  2

• IRI/URL sanitization

  DataTreehouse/maplib#60 · Filter by author thenonameguy opened on Jun 18, 2026

• Panics with subtraction overflow in test_hdt for empty graph

  DataTreehouse/maplib#56 · Filter by author magbak opened on Jun 14, 2026
  

• Support struct in map_json

  DataTreehouse/maplib#45 · Filter by author mielvds opened on Feb 4, 2026
  2

• Support language-tagged literals from DataFrame columns in template mapping

  DataTreehouse/maplib#43 · Filter by author henrieglesorotos opened on Jan 22, 2026
  4

• How to handle GeoSPAQL?

  DataTreehouse/maplib#41 · Filter by author areleu opened on Jan 14, 2026
  5

• Add a contribution guide

  DataTreehouse/maplib#31 · Filter by author will-langdale opened on Nov 25, 2025
  1

• Feature request: Model.map_ontology()

  DataTreehouse/maplib#26 · Filter by author nemegrod opened on Nov 17, 2025
  3

• Feature-completeness of SHACL & SPARQL

  DataTreehouse/maplib#23 · Filter by author rmfranken opened on May 27, 2025
  4

• Complete OTTR Engine

  DataTreehouse/maplib#14 · Filter by author areleu opened on Mar 31, 2025
  4

• Feature Request: Publish maplib as a Rust crate

  DataTreehouse/maplib#9 · Filter by author oanabotezat opened on Feb 5, 2025
  3