Triple

T18046380
Position Surface form Disambiguated ID Type / Status
Subject Nuremberg U-Bahn DT2 trains E431785 entity
Predicate usedOnLine P15252 FINISHED
Object Nuremberg U-Bahn Line U2 NE NERFINISHED

How this triple was built (3 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 Line U2 | Statement: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nuremberg U-Bahn Line U2
Context triple: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U2]
  • A. 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.
  • B. Berlin U-Bahn line U2
    Berlin U-Bahn line U2 is one of the main metro lines in Berlin, running east–west across the city and connecting key central districts and landmarks.
  • 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. Munich U-Bahn line U4
    Munich U-Bahn line U4 is a rapid transit line in Munich’s underground railway network that runs east–west through the city, connecting central stations with several eastern districts.
  • E. Munich U-Bahn line U3
    Munich U-Bahn line U3 is a major rapid transit route in Munich’s underground network, running north–south across the city and serving numerous residential and commercial districts.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nuremberg U-Bahn Line U2
Target entity description: Nuremberg U-Bahn Line U2 is a major rapid transit line in the Nuremberg U-Bahn network, connecting key districts and the airport with the city center.
  • A. Nuremberg U-Bahn chosen
    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.
  • B. Berlin U-Bahn line U2
    Berlin U-Bahn line U2 is one of the main metro lines in Berlin, running east–west across the city and connecting key central districts and landmarks.
  • 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. Munich U-Bahn line U4
    Munich U-Bahn line U4 is a rapid transit line in Munich’s underground railway network that runs east–west through the city, connecting central stations with several eastern districts.
  • E. Munich U-Bahn line U3
    Munich U-Bahn line U3 is a major rapid transit route in Munich’s underground network, running north–south across the city and serving numerous residential and commercial districts.
  • F. None of above.

Provenance (2 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_69d8b906482481908183315b9ecf9994 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4bff2d3c48190875ffe9c042d3ec0 completed April 19, 2026, 11:43 a.m.
Created at: April 10, 2026, 10:25 a.m.