Triple

T15046110
Position Surface form Disambiguated ID Type / Status
Subject Berlin-Spandau station E379228 entity
Predicate U-BahnLineServed P72381 FINISHED
Object U7 E365989 NE FINISHED

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: U7 | Statement: [Berlin-Spandau station, U-BahnLineServed, U7]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: U7
Context triple: [Berlin-Spandau station, U-BahnLineServed, U7]
  • A. U7 chosen
    U7 is a line of the Berlin U-Bahn rapid transit system, running in an east–west direction across the city.
  • B. U7
    U7 is a line of the Frankfurt U-Bahn rapid transit network serving various districts across the city.
  • C. U7
    U7 is a supplementary line of the Munich U-Bahn rapid transit system, typically operating as a reinforcement or special service on existing routes.
  • D. U7
    U7 is a light rail line of the Stuttgart Stadtbahn network in Germany, providing urban transit service across parts of the Stuttgart metropolitan area.
  • E. U9
    U9 is a Berlin U-Bahn subway line that serves the Wedding district among other areas in the city.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: U-BahnLineServed
Context triple: [Berlin-Spandau station, U-BahnLineServed, U7]
  • A. hasUBahnService chosen
    Indicates that a location or facility is served by, or has access to, an underground metro (U-Bahn) transit line.
  • B. subwayLine
    Indicates that there is a subway line connection or service relationship between the referenced entities.
  • C. urbanRailHubFor
    Indicates that a location functions as a central node or interchange point within an urban rail network for a given area or set of lines.
  • D. lightRailNetwork
    Indicates a relationship where an area, city, or region is served by or contains a light rail transit network.
  • E. monorailLines
    Indicates that there is a monorail transit line or system associated with, serving, or present in the referenced entity.
  • F. None of above.

Provenance (4 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_69d85cd64d108190853797a95c11cc45 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69ded830c3c08190a87b81abbbb75377 completed April 15, 2026, 12:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe9de73614819098b7a88624407d0e completed May 9, 2026, 2:37 a.m.
PD Predicate disambiguation batch_69de9a69d7848190b2b4662dd30f20e9 completed April 14, 2026, 7:50 p.m.
Created at: April 10, 2026, 3 a.m.