Triple

T10823585
Position Surface form Disambiguated ID Type / Status
Subject Lewisham East E255436 entity
Predicate containsRailwayStation P918 FINISHED
Object Catford railway station
Catford railway station is a suburban National Rail station in the London Borough of Lewisham, serving local commuter services in southeast London.
 E315476 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: Catford railway station | Statement: [Lewisham East, containsRailwayStation, Catford railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Catford railway station
Context triple: [Lewisham East, containsRailwayStation, Catford railway station]
  • A. Catford Bridge railway station
    Catford Bridge railway station is a suburban rail station in the London Borough of Lewisham, serving commuter services between central London and Hayes in southeast London.
  • B. Dartford railway station
    Dartford railway station is a key commuter rail hub in Dartford, Kent, providing frequent services into London and across southeast England.
  • C. Watford Junction railway station
    Watford Junction railway station is a major rail hub in Hertfordshire, England, providing regional, commuter, and long-distance services including routes to London and the Midlands.
  • D. Enfield station
    Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
  • E. Deptford railway station
    Deptford railway station is a historic suburban rail station in the London Borough of Lewisham, serving the Deptford area with regular commuter services into central London.
  • 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: Catford railway station
Triple: [Lewisham East, containsRailwayStation, Catford railway station]
Generated description
Catford railway station is a suburban National Rail station in the London Borough of Lewisham, serving local commuter services in southeast London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Catford railway station
Target entity description: Catford railway station is a suburban National Rail station in the London Borough of Lewisham, serving local commuter services in southeast London.
  • A. Catford Bridge railway station chosen
    Catford Bridge railway station is a suburban rail station in the London Borough of Lewisham, serving commuter services between central London and Hayes in southeast London.
  • B. Dartford railway station
    Dartford railway station is a key commuter rail hub in Dartford, Kent, providing frequent services into London and across southeast England.
  • C. Watford Junction railway station
    Watford Junction railway station is a major rail hub in Hertfordshire, England, providing regional, commuter, and long-distance services including routes to London and the Midlands.
  • D. Enfield station
    Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
  • E. Deptford railway station
    Deptford railway station is a historic suburban rail station in the London Borough of Lewisham, serving the Deptford area with regular commuter services into central London.
  • F. None of above.

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_69d6aa8081448190a9324184f2bd1c26 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d734cf7918819094d36ea208c80d12 completed April 9, 2026, 5:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69de8578428c8190a25d9008881d0114 completed April 14, 2026, 6:20 p.m.
NEDg Description generation batch_69de8e6f3fac8190bcd1675978d6d6d7 completed April 14, 2026, 6:58 p.m.
NED2 Entity disambiguation (via description) batch_69de8fa679cc81909cb51035e5403ce9 completed April 14, 2026, 7:04 p.m.
Created at: April 8, 2026, 9:19 p.m.