This item details lecture number 11 of KDAI2026, focusing on SPARQL interrogation tactics. The lecture covered FILTER, REGEX, OPTIONAL, UNION, negation, BIND, and GROUP BY aggregates. It also included a comparison of DBpedia and Wikidata, noting DBpedia's 1.32 billion triples derived from Wikipedia infoboxes and Wikidata's 17.6 billion triples maintained by approximately 29,000 editors. The session concluded with a discussion of OWL Description Logic SROIQ(D). AI
IMPACT Provides insights into knowledge graph querying and data comparison relevant to AI development.
RANK_REASON The item describes a lecture covering technical aspects of knowledge graphs and query languages, fitting the research category. [lever_c_demoted from research: ic=1 ai=0.7]
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