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v0.1.0 — Initial Release

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@malkreide malkreide released this 27 Jul 14:38
v0.1.0
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[0.1.0] — 2026-07-21

Added

  • Initial release. 7 read-only tools over the LINDAS SPARQL endpoint:
    search_cubes, get_cube_structure, query_cube_observations,
    list_publishers, resolve_municipality, run_sparql, api_status.
  • Three-layer, extraction-ready lindas/ package: client.py (raw SPARQL/HTTP),
    queries.py (anchored templates), cube.py (vocabulary guardrail).
  • Two-phase cube access with automatic code-to-label resolution.
  • Version deduplication in search_cubes (latest_only, default on).
  • Dual transport via LINDAS_MCP_TRANSPORT; retry 2s/4s/8s; 400 passthrough.
  • Bilingual documentation (EN/DE) and full probe report in docs/probe-lindas.md.

Known findings

Discovered during the live probe on 2026-07-21.

  • Broad SPARQL times out. COUNT(*) over the whole store and DISTINCT ?g
    over all named graphs ran 70–90 s into a timeout (HTTP 000). The same question
    anchored on ?x a cube:Cube answers in ~2 s. Every template is anchored;
    run_sparql warns and caps runtime.
  • Observations hang off cube:observationSet, never directly off the cube.
    The naive ?cube cube:observation ?obs returns zero rows. Caught by a live
    test, not by mocks.
  • Dimension values are codes, not labels (region 1805, level 4). Code
    lists resolve via sh:in → rdf:rest*/rdf:first → schema:name. Cantons are
    coded as ld.admin.ch/canton/<n> even without an sh:in list; the bare number
    is surfaced.
  • Cubes are versioned in the URI (.../cube/2024-1) with schema:version
    and schema:creativeWorkStatus. Search deduplicates to the newest published.
  • Licences are per cube and often Fedlex URIs (fedlex.data.admin.ch/eli/cc/),
    which doubles as a join to fedlex-mcp.
  • Publishers deduplicate cleanly on dcterms:creator (a single URI), not on
    schema:publisher (multilingual, splits one body into several rows).
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