Triple

T18046381
Position Surface form Disambiguated ID Type / Status
Subject Nuremberg U-Bahn DT2 trains E431785 entity
Predicate usedOnLine P15252 FINISHED
Object Nuremberg U-Bahn Line U3
Nuremberg U-Bahn Line U3 is a fully automated rapid transit line in the Nuremberg U-Bahn network in Germany, connecting key districts of the city.
E15595 NE FINISHED

How this triple was built (4 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 U3 | Statement: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U3]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nuremberg U-Bahn Line U3
Context triple: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U3]
  • 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. 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.
  • C. U-Bahn line U3
    U-Bahn line U3 is a Berlin U-Bahn metro line that runs across the southwestern part of the city, connecting residential districts with central transport hubs.
  • 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
    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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Nuremberg U-Bahn Line U3
Triple: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U3]
Generated description
Nuremberg U-Bahn Line U3 is a fully automated rapid transit line in the Nuremberg U-Bahn network in Germany, connecting key districts of the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nuremberg U-Bahn Line U3
Target entity description: Nuremberg U-Bahn Line U3 is a fully automated rapid transit line in the Nuremberg U-Bahn network in Germany, connecting key districts of the city.
  • 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. 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.
  • C. U-Bahn line U3
    U-Bahn line U3 is a Berlin U-Bahn metro line that runs across the southwestern part of the city, connecting residential districts with central transport hubs.
  • 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
    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.
  • F. None of above.

Provenance (5 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.
NED1 Entity disambiguation (via context triple) batch_6a038fa73ea08190982aca56b4a866ca completed May 12, 2026, 8:37 p.m.
NEDg Description generation batch_6a0390db2e748190a5f2930d26fe76e7 completed May 12, 2026, 8:43 p.m.
NED2 Entity disambiguation (via description) batch_6a0391978d7881909fac2b8dd3526bbe completed May 12, 2026, 8:46 p.m.
Created at: April 10, 2026, 10:25 a.m.