Triple

T16395238
Position Surface form Disambiguated ID Type / Status
Subject DT2 train E398161 entity
Predicate category P87 FINISHED
Object Nuremberg U-Bahn rolling stock E431785 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Nuremberg U-Bahn rolling stock | Statement: [DT2 train, category, Nuremberg U-Bahn rolling stock]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nuremberg U-Bahn rolling stock
Context triple: [DT2 train, category, Nuremberg U-Bahn rolling stock]
  • A. Nuremberg U-Bahn DT2 trains chosen
    Nuremberg U-Bahn DT2 trains are an older generation of electric multiple-unit subway trains that formerly operated on the Nuremberg U-Bahn system in Germany.
  • B. Nuremberg U-Bahn
    The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
  • C. Munich U-Bahn
    The Munich U-Bahn is the German city's rapid transit metro system, forming a core part of its public transportation network with multiple underground lines serving urban and suburban areas.
  • D. Siemens–Duewag Supertram vehicles
    Siemens–Duewag Supertram vehicles are a fleet of modern light rail trams built by Siemens and Duewag, used to operate the Sheffield Supertram network in South Yorkshire, England.
  • E. Siemens-Duewag U2
    The Siemens-Duewag U2 is a high-floor light rail vehicle widely used in North American transit systems, notably in early expansions of Calgary’s CTrain network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d87f2950248190bc8ad9b9bebdc8c8 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e326462298819087091dc935f0f916 completed April 18, 2026, 6:35 a.m.
NED1 Entity disambiguation (via context triple) batch_6a003c5bcc7c81909dc1d3a9a1b7f50a completed May 10, 2026, 8:05 a.m.
Created at: April 10, 2026, 5:08 a.m.