Triple

T4509721
Position Surface form Disambiguated ID Type / Status
Subject London Waterloo–Exeter E102018 entity
Predicate majorIntermediateStation P24280 FINISHED
Object Andover railway station
Andover railway station is a key stop on the South Western Main Line in Hampshire, England, providing regional and long-distance services between London and the West Country.
 E448395 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: Andover railway station | Statement: [London Waterloo–Exeter, majorIntermediateStation, Andover railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Andover railway station
Context triple: [London Waterloo–Exeter, majorIntermediateStation, Andover railway station]
  • A. Andover station
    Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
  • B. Haverhill station
    Haverhill station is a commuter rail stop in Haverhill, Massachusetts, serving as the northern terminus of the MBTA's Haverhill Line.
  • C. Chelmsford railway station
    Chelmsford railway station is a major rail hub on the Great Eastern Main Line in the city of Chelmsford, England, providing frequent commuter and regional services to London and other destinations.
  • D. Wilton station
    Wilton station is a commuter rail stop in Wilton, Connecticut, serving passengers on the Metro-North Railroad’s Danbury Branch.
  • E. Newton Centre station
    Newton Centre station is a light rail stop in Newton, Massachusetts, serving the MBTA Green Line’s D branch on the Boston-area transit system.
  • 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: Andover railway station
Triple: [London Waterloo–Exeter, majorIntermediateStation, Andover railway station]
Generated description
Andover railway station is a key stop on the South Western Main Line in Hampshire, England, providing regional and long-distance services between London and the West Country.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Andover railway station
Target entity description: Andover railway station is a key stop on the South Western Main Line in Hampshire, England, providing regional and long-distance services between London and the West Country.
  • A. Andover station
    Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
  • B. Haverhill station
    Haverhill station is a commuter rail stop in Haverhill, Massachusetts, serving as the northern terminus of the MBTA's Haverhill Line.
  • C. Chelmsford railway station
    Chelmsford railway station is a major rail hub on the Great Eastern Main Line in the city of Chelmsford, England, providing frequent commuter and regional services to London and other destinations.
  • D. Wilton station
    Wilton station is a commuter rail stop in Wilton, Connecticut, serving passengers on the Metro-North Railroad’s Danbury Branch.
  • E. Newton Centre station
    Newton Centre station is a light rail stop in Newton, Massachusetts, serving the MBTA Green Line’s D branch on the Boston-area transit system.
  • F. None of above. chosen

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_69bd43d6251c81909deecce3e6e9d69c completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd571138b88190b68bbfc4300aaf9d completed March 20, 2026, 2:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69bd7f7c1bd08190bc7b7028a512a466 completed March 20, 2026, 5:10 p.m.
NEDg Description generation batch_69bd84bae7148190ae201ea5257dd43e completed March 20, 2026, 5:32 p.m.
NED2 Entity disambiguation (via description) batch_69bd857181e4819086b7d0b493fbb9a3 completed March 20, 2026, 5:35 p.m.
Created at: March 20, 2026, 1:01 p.m.