Triple

T6963387
Position Surface form Disambiguated ID Type / Status
Subject Catford Loop Line E161426 entity
Predicate serves P98 FINISHED
Object Nunhead railway station
Nunhead railway station is a suburban rail station in south-east London providing commuter services into central London and surrounding areas.
 E630556 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: Nunhead railway station | Statement: [Catford Loop Line, serves, Nunhead railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nunhead railway station
Context triple: [Catford Loop Line, serves, Nunhead railway station]
  • A. Gunnersbury station
    Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
  • B. Syon Lane railway station
    Syon Lane railway station is a suburban rail stop in the London Borough of Hounslow serving the Syon Lane area with services on the Hounslow Loop Line.
  • C. Northumberland Park station
    Northumberland Park station is a railway station in North London that serves the Tottenham area and provides convenient access for fans traveling to Tottenham Hotspur Stadium.
  • D. 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.
  • E. Blackheath railway station
    Blackheath railway station is a suburban rail station in southeast London serving the Blackheath area with regular commuter services into central London and surrounding regions.
  • 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: Nunhead railway station
Triple: [Catford Loop Line, serves, Nunhead railway station]
Generated description
Nunhead railway station is a suburban rail station in south-east London providing commuter services into central London and surrounding areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nunhead railway station
Target entity description: Nunhead railway station is a suburban rail station in south-east London providing commuter services into central London and surrounding areas.
  • A. Gunnersbury station
    Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
  • B. Syon Lane railway station
    Syon Lane railway station is a suburban rail stop in the London Borough of Hounslow serving the Syon Lane area with services on the Hounslow Loop Line.
  • C. Northumberland Park station
    Northumberland Park station is a railway station in North London that serves the Tottenham area and provides convenient access for fans traveling to Tottenham Hotspur Stadium.
  • D. 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.
  • E. Blackheath railway station
    Blackheath railway station is a suburban rail station in southeast London serving the Blackheath area with regular commuter services into central London and surrounding regions.
  • 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_69c68853cff881908439d488924a8283 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6daf197b0819085bd0433c8a7f716 completed March 27, 2026, 7:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69c758a0e5bc819098206940fc3ac623 completed March 28, 2026, 4:27 a.m.
NEDg Description generation batch_69c759553fe081909881c8d2ae680dfe completed March 28, 2026, 4:30 a.m.
NED2 Entity disambiguation (via description) batch_69c759c79de48190bd3e079c07a9158a completed March 28, 2026, 4:32 a.m.
Created at: March 27, 2026, 2:30 p.m.