Triple

T8126264
Position Surface form Disambiguated ID Type / Status
Subject Upper Norwood E189736 entity
Predicate transportServedBy P1298 FINISHED
Object Gipsy Hill railway station
Gipsy Hill railway station is a suburban rail station in south London that provides commuter services connecting the Upper Norwood area to central London and other parts of the city.
 E713807 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: Gipsy Hill railway station | Statement: [Upper Norwood, transportServedBy, Gipsy Hill railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Gipsy Hill railway station
Context triple: [Upper Norwood, transportServedBy, Gipsy Hill railway station]
  • A. Sydenham Hill railway station
    Sydenham Hill railway station is a suburban railway station in south London providing commuter services into central London and surrounding areas.
  • B. Herne Hill railway station
    Herne Hill railway station is a suburban rail station in south London that provides commuter services connecting the local area to central London and other parts of the city.
  • C. Denmark Hill railway station
    Denmark Hill railway station is a suburban rail station in south London serving the Denmark Hill and Camberwell areas with services into central London and across the capital.
  • D. Tower Hill station
    Tower Hill station is a London Underground station in central London serving the Circle and District lines near the Tower of London.
  • E. Highams Park railway station
    Highams Park railway station is a suburban rail station in northeast London serving the Chingford branch of the London Overground network.
  • 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: Gipsy Hill railway station
Triple: [Upper Norwood, transportServedBy, Gipsy Hill railway station]
Generated description
Gipsy Hill railway station is a suburban rail station in south London that provides commuter services connecting the Upper Norwood area to central London and other parts of the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Gipsy Hill railway station
Target entity description: Gipsy Hill railway station is a suburban rail station in south London that provides commuter services connecting the Upper Norwood area to central London and other parts of the city.
  • A. Sydenham Hill railway station
    Sydenham Hill railway station is a suburban railway station in south London providing commuter services into central London and surrounding areas.
  • B. Herne Hill railway station
    Herne Hill railway station is a suburban rail station in south London that provides commuter services connecting the local area to central London and other parts of the city.
  • C. Denmark Hill railway station
    Denmark Hill railway station is a suburban rail station in south London serving the Denmark Hill and Camberwell areas with services into central London and across the capital.
  • D. Tower Hill station
    Tower Hill station is a London Underground station in central London serving the Circle and District lines near the Tower of London.
  • E. Highams Park railway station
    Highams Park railway station is a suburban rail station in northeast London serving the Chingford branch of the London Overground network.
  • 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_69ca82bb74848190afb1f18640632c10 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb438eb778819085296e6cbfa2e70d completed March 31, 2026, 3:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc946b44d08190a042932ee908dc2f completed April 1, 2026, 3:43 a.m.
NEDg Description generation batch_69cc95c0b19881908521cce5ac0fe197 completed April 1, 2026, 3:49 a.m.
NED2 Entity disambiguation (via description) batch_69cc970698f88190a0869515904e50e3 completed April 1, 2026, 3:54 a.m.
Created at: March 30, 2026, 5:34 p.m.