Triple

T21061191
Position Surface form Disambiguated ID Type / Status
Subject Holborn Viaduct station E518849 entity
Predicate hasAdjacentStationSite P142695 FINISHED
Object Ludgate Hill railway station — 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: Ludgate Hill railway station | Statement: [Holborn Viaduct station, hasAdjacentStationSite, Ludgate Hill railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ludgate Hill railway station
Context triple: [Holborn Viaduct station, hasAdjacentStationSite, Ludgate Hill railway station]
  • A. Ludgate Hill railway station chosen
    Ludgate Hill railway station was a former central London railway terminus that served as a key city-end station for suburban and regional services in the 19th and early 20th centuries.
  • B. Goodge Street station
    Goodge Street station is a London Underground station on the Northern line located in the Fitzrovia area of central London.
  • C. Edgware Road Station
    Edgware Road Station is a London Underground station in central London serving multiple Tube lines and acting as a key interchange near Paddington.
  • D. Shoreditch railway station
    Shoreditch railway station was a former London terminus that served as the original London endpoint of the Eastern Counties Railway in the 19th century.
  • E. Shoreditch High Street station
    Shoreditch High Street station is an East London Overground railway station serving the Shoreditch area, known for its proximity to the vibrant Brick Lane and surrounding creative and nightlife districts.
  • 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: hasAdjacentStationSite
Context triple: [Holborn Viaduct station, hasAdjacentStationSite, Ludgate Hill railway station]
  • A. hasAdjacentStationOnAC
    Indicates that one station is directly next to another station along the AC line or route.
  • B. hasAdjacentStationOnIND
    Indicates that one station is directly next to another station on the IND (Independent Subway System) line, with no other stations in between.
  • C. hasAdjacentStationOnU2
    Indicates that one station is directly next to another station along the U2 line.
  • D. hasAdjacentStationOnU7
    Indicates that one station is directly next to another station along the U7 line.
  • E. hasAdjacentStationOnLine1
    Indicates that one station is directly next to another station along Line 1 in the network.
  • F. None of above. chosen

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_69e0b505ef108190b25dd4033e2ff7eb completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e6feaf3edc81909423e039cac6bd87 completed April 21, 2026, 4:35 a.m.
PD Predicate disambiguation batch_69e5dbf9d71881908cd85dfc37db93ca completed April 20, 2026, 7:55 a.m.
PDg Predicate description generation batch_69e5e2e03d88819086f8b641656ad8b0 completed April 20, 2026, 8:25 a.m.
Created at: April 16, 2026, 2:38 p.m.