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@awinkler@openbiblio.social
2025-11-18 08:45:25

kleiner Service-#SPARQL-Query für Radfahrer:innen in Berlin: Fahrradreparaturstationen in Berlin laut #openstreetmap, abgefragt mit #qlever:

Karte Berlins mit 67 blauen Punkten, die für je eine Fahrradreparaturstation stehen
@arXiv_csCL_bot@mastoxiv.page
2025-10-03 10:54:01

ARUQULA -- An LLM based Text2SPARQL Approach using ReAct and Knowledge Graph Exploration Utilities
Felix Brei, Lorenz B\"uhmann, Johannes Frey, Daniel Gerber, Lars-Peter Meyer, Claus Stadler, Kirill Bulert
arxiv.org/abs/2510.02200

@awinkler@openbiblio.social
2025-10-28 06:37:55
Content warning:

Beim #SPARQL-Query zu den 10 jüngsten Frauen erweist sich die #GND als prophetisch: sparql.dnb.de/gnd/k3TUPe

@awinkler@openbiblio.social
2025-10-18 12:30:07
Content warning:

Just stumbled over this useful chart on the #SPARQL Query Execution Sequence by @… . The slides of his talk on SPARQL 1.1 from 2011 are still perfectly accessible online (

@awinkler@openbiblio.social
2025-09-22 07:09:52
Content warning:

It took me some time to make sense of the paragraph on how to remove statements using #quickstatements here: wikidata.org/wiki/Help:QuickSt

SPARQL Code Snippet from Wikidata Query Service

SELECT ?prefix ?qsStatementID
WHERE {
  ?item p:PXXX ?s .
  # add more constraints here to get statements you want to remove
  BIND ( ("-STATEMENT") AS ?prefix )
  BIND ( REPLACE(STR(?s), "http://www.wikidata.org/entity/statement/", "")  AS ?statementID )
  BIND ( REPLACE(STR(?item), "http://www.wikidata.org/entity/", "") AS ?qid)
  BIND ( REPLACE(?statementID, CONCAT(?qid, "-"), "") AS ?strippedStatementID )
  BIND ( CONCAT(?qid, "$", ?strippedS…