Triple

T12114654
Position Surface form Disambiguated ID Type / Status
Subject Catford E288524 entity
Predicate hasRailwayStation P918 FINISHED
Object Catford railway station
Catford railway station is a suburban railway station in the London Borough of Lewisham, serving the Catford area with services on the Thameslink route.
 E965697 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: [Catford, hasRailwayStation, Catford railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Catford railway station
Context triple: [Catford, hasRailwayStation, 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. Stechford railway station
    Stechford railway station is a suburban rail station in Birmingham, England, serving the Stechford area on routes connecting Birmingham with destinations such as Northampton.
  • C. Dartford railway station
    Dartford railway station is a key commuter rail hub in Dartford, Kent, providing frequent services into London and across southeast England.
  • D. 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.
  • E. Enfield station
    Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
  • 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: [Catford, hasRailwayStation, Catford railway station]
Generated description
Catford railway station is a suburban railway station in the London Borough of Lewisham, serving the Catford area with services on the Thameslink route.
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 railway station in the London Borough of Lewisham, serving the Catford area with services on the Thameslink route.
  • 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. Stechford railway station
    Stechford railway station is a suburban rail station in Birmingham, England, serving the Stechford area on routes connecting Birmingham with destinations such as Northampton.
  • C. Dartford railway station
    Dartford railway station is a key commuter rail hub in Dartford, Kent, providing frequent services into London and across southeast England.
  • D. 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.
  • E. Enfield station
    Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
  • 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_69d6ab4a5c448190a110d1273314b21a completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9156921dc8190aa132b0ab3a7c184 completed April 10, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f67f9c30819089305d5d42210c34 completed May 2, 2026, 1:05 p.m.
NEDg Description generation batch_69f5fdea1afc8190b39557fdc571e300 completed May 2, 2026, 1:36 p.m.
NED2 Entity disambiguation (via description) batch_69f5feeaf2e48190995f282b02a9caaf completed May 2, 2026, 1:40 p.m.
Created at: April 8, 2026, 9:49 p.m.