Triple

T12489169
Position Surface form Disambiguated ID Type / Status
Subject Morden E298516 entity
Predicate servedBy P82 FINISHED
Object Morden Underground station
Morden Underground station is the southern terminus of the London Underground’s Northern line, serving the suburb of Morden in the London Borough of Merton.
 E986038 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: Morden Underground station | Statement: [Morden, servedBy, Morden Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Morden Underground station
Context triple: [Morden, servedBy, Morden Underground station]
  • A. Swiss Cottage Underground station
    Swiss Cottage Underground station is a London Underground station on the Jubilee line serving the Swiss Cottage area in the London Borough of Camden.
  • B. Northolt Underground station
    Northolt Underground station is a London Underground station in the west of the city, serving the Central line and the suburban area of Northolt in the London Borough of Ealing.
  • C. Golders Green Underground Station
    Golders Green Underground Station is a London Underground station on the Northern line serving the Golders Green area in the London Borough of Barnet.
  • D. Tower Hill Underground station
    Tower Hill Underground station is a London Underground station in central London serving the Circle and District lines near the Tower of London and the River Thames.
  • E. Maida Vale Underground station
    Maida Vale Underground station is a London Underground station on the Bakerloo line, noted for its early 20th-century architecture and location in the Maida Vale district of northwest 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: Morden Underground station
Triple: [Morden, servedBy, Morden Underground station]
Generated description
Morden Underground station is the southern terminus of the London Underground’s Northern line, serving the suburb of Morden in the London Borough of Merton.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Morden Underground station
Target entity description: Morden Underground station is the southern terminus of the London Underground’s Northern line, serving the suburb of Morden in the London Borough of Merton.
  • A. Swiss Cottage Underground station
    Swiss Cottage Underground station is a London Underground station on the Jubilee line serving the Swiss Cottage area in the London Borough of Camden.
  • B. Northolt Underground station
    Northolt Underground station is a London Underground station in the west of the city, serving the Central line and the suburban area of Northolt in the London Borough of Ealing.
  • C. Golders Green Underground Station
    Golders Green Underground Station is a London Underground station on the Northern line serving the Golders Green area in the London Borough of Barnet.
  • D. Tower Hill Underground station
    Tower Hill Underground station is a London Underground station in central London serving the Circle and District lines near the Tower of London and the River Thames.
  • E. Maida Vale Underground station
    Maida Vale Underground station is a London Underground station on the Bakerloo line, noted for its early 20th-century architecture and location in the Maida Vale district of northwest London.
  • 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_69d6ada377208190a36011199a4d8558 completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94de1db9481909ddf70eb81cdb714 completed April 10, 2026, 7:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69f64ba7d8bc8190acc1f0d537a5bbbb completed May 2, 2026, 7:08 p.m.
NEDg Description generation batch_69f64c7c5d04819094fcbee0a4b5cbb4 completed May 2, 2026, 7:11 p.m.
NED2 Entity disambiguation (via description) batch_69f64d653b988190b11d061f55ef7192 completed May 2, 2026, 7:15 p.m.
Created at: April 8, 2026, 9:56 p.m.