Triple

T12314430
Position Surface form Disambiguated ID Type / Status
Subject 1972 Stock E293563 entity
Predicate introducedToReplace P6280 FINISHED
Object 1938 Stock
The 1938 Stock was a type of London Underground electric multiple unit rolling stock that served primarily on deep-level tube lines from the late 1930s for several decades.
 E976517 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: 1938 Stock | Statement: [1972 Stock, introducedToReplace, 1938 Stock]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 1938 Stock
Context triple: [1972 Stock, introducedToReplace, 1938 Stock]
  • A. 1972 Stock
    1972 Stock is a class of London Underground trains built in the early 1970s, primarily used on deep-level tube lines such as the Bakerloo line.
  • B. 1995 Stock
    1995 Stock is a type of London Underground train used on the Northern line, introduced in the mid-1990s with modern features for improved performance and passenger comfort.
  • C. 1992 Stock
    1992 Stock is a type of London Underground electric multiple unit train built for deep-level tube services, notably used on the Central line.
  • D. 1996 Stock
    The 1996 Stock is a fleet of deep-level electric multiple unit trains used on the London Underground’s Jubilee line.
  • E. Studebaker Hawk
    The Studebaker Hawk was a series of stylish American grand touring coupes produced in the late 1950s and early 1960s, known for their distinctive design and performance-oriented character.
  • 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: 1938 Stock
Triple: [1972 Stock, introducedToReplace, 1938 Stock]
Generated description
The 1938 Stock was a type of London Underground electric multiple unit rolling stock that served primarily on deep-level tube lines from the late 1930s for several decades.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 1938 Stock
Target entity description: The 1938 Stock was a type of London Underground electric multiple unit rolling stock that served primarily on deep-level tube lines from the late 1930s for several decades.
  • A. 1972 Stock
    1972 Stock is a class of London Underground trains built in the early 1970s, primarily used on deep-level tube lines such as the Bakerloo line.
  • B. 1995 Stock
    1995 Stock is a type of London Underground train used on the Northern line, introduced in the mid-1990s with modern features for improved performance and passenger comfort.
  • C. 1992 Stock
    1992 Stock is a type of London Underground electric multiple unit train built for deep-level tube services, notably used on the Central line.
  • D. 1996 Stock
    The 1996 Stock is a fleet of deep-level electric multiple unit trains used on the London Underground’s Jubilee line.
  • E. Studebaker Hawk
    The Studebaker Hawk was a series of stylish American grand touring coupes produced in the late 1950s and early 1960s, known for their distinctive design and performance-oriented character.
  • 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_69d6ab6a2b50819082f6aedd32ed608a completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d93f03d3c88190baedffb83465bff8 completed April 10, 2026, 6:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69f61e86d45881909a9a3c09df0b78f1 completed May 2, 2026, 3:55 p.m.
NEDg Description generation batch_69f622a646c481908164ae5387625bb4 completed May 2, 2026, 4:13 p.m.
NED2 Entity disambiguation (via description) batch_69f623f5aa608190bce3e62e08077216 completed May 2, 2026, 4:19 p.m.
Created at: April 8, 2026, 9:53 p.m.