Triple

T1434888
Position Surface form Disambiguated ID Type / Status
Subject West Anglia Main Line E30537 entity
Predicate hasMajorStation P1071 FINISHED
Object Broxbourne railway station
Broxbourne railway station is a key commuter rail hub in Hertfordshire, England, providing frequent services between London and destinations along the West Anglia route.
 E163502 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: Broxbourne railway station | Statement: [West Anglia Main Line, hasMajorStation, Broxbourne railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Broxbourne railway station
Context triple: [West Anglia Main Line, hasMajorStation, Broxbourne railway station]
  • A. Beaconsfield station
    Beaconsfield station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line D branch serving the Brookline area near Boston.
  • B. Brentford railway station
    Brentford railway station is a suburban rail station in the London Borough of Hounslow serving the town of Brentford on the Hounslow Loop Line.
  • C. Orpington railway station
    Orpington railway station is a major commuter rail hub in the London Borough of Bromley, providing frequent services between southeast London, Kent, and central London.
  • D. Chalfont station
    Chalfont station is a SEPTA Regional Rail stop in Chalfont, Pennsylvania, serving commuters on the Lansdale/Doylestown Line.
  • E. Esher railway station
    Esher railway station is a suburban rail station in Surrey, England, serving the town of Esher and providing convenient access to nearby Sandown Park Racecourse.
  • 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: Broxbourne railway station
Triple: [West Anglia Main Line, hasMajorStation, Broxbourne railway station]
Generated description
Broxbourne railway station is a key commuter rail hub in Hertfordshire, England, providing frequent services between London and destinations along the West Anglia route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Broxbourne railway station
Target entity description: Broxbourne railway station is a key commuter rail hub in Hertfordshire, England, providing frequent services between London and destinations along the West Anglia route.
  • A. Beaconsfield station
    Beaconsfield station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line D branch serving the Brookline area near Boston.
  • B. Brentford railway station
    Brentford railway station is a suburban rail station in the London Borough of Hounslow serving the town of Brentford on the Hounslow Loop Line.
  • C. Orpington railway station
    Orpington railway station is a major commuter rail hub in the London Borough of Bromley, providing frequent services between southeast London, Kent, and central London.
  • D. Chalfont station
    Chalfont station is a SEPTA Regional Rail stop in Chalfont, Pennsylvania, serving commuters on the Lansdale/Doylestown Line.
  • E. Esher railway station
    Esher railway station is a suburban rail station in Surrey, England, serving the town of Esher and providing convenient access to nearby Sandown Park Racecourse.
  • 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_69a498fc69ec8190b61722bd4b67c4d2 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c500a9888190a16fbb1ec97a79c9 completed March 1, 2026, 11 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad017084908190a81a784ae4a53c21 completed March 8, 2026, 4:56 a.m.
NEDg Description generation batch_69ad0259651c8190890e45c1786a9a50 completed March 8, 2026, 5 a.m.
NED2 Entity disambiguation (via description) batch_69ad03018aa4819090020ba89a11d0cd completed March 8, 2026, 5:02 a.m.
Created at: March 1, 2026, 8 p.m.