Triple
T12489401
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 1995 Stock |
E298521
|
entity |
| Predicate | replacedStock |
P14642
|
FINISHED |
| Object |
1959 Stock
The 1959 Stock was a type of London Underground electric multiple unit rolling stock introduced in the late 1950s for use on deep-level tube lines.
|
E988052
|
NE FINISHED |
How this triple was built (5 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: 1959 Stock | Statement: [1995 Stock, replacedStock, 1959 Stock]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1959 Stock Context triple: [1995 Stock, replacedStock, 1959 Stock]
-
A.
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.
-
B.
1996 Stock
The 1996 Stock is a fleet of deep-level electric multiple unit trains used on the London Underground’s Jubilee line.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: 1959 Stock Triple: [1995 Stock, replacedStock, 1959 Stock]
Generated description
The 1959 Stock was a type of London Underground electric multiple unit rolling stock introduced in the late 1950s for use on deep-level tube lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 1959 Stock Target entity description: The 1959 Stock was a type of London Underground electric multiple unit rolling stock introduced in the late 1950s for use on deep-level tube lines.
-
A.
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.
-
B.
1996 Stock
The 1996 Stock is a fleet of deep-level electric multiple unit trains used on the London Underground’s Jubilee line.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: replacedStock Context triple: [1995 Stock, replacedStock, 1959 Stock]
-
A.
replacedInProduct
Indicates that one component or element in a product has been substituted or superseded by another component or element within that product.
-
B.
replacedStation
Indicates that one station has taken the place of another station, typically succeeding it in function, service, or location.
-
C.
replacedStandard
Indicates that one standard has been superseded or taken the place of another standard.
-
D.
replacedWith
Indicates that one entity has been substituted or superseded by another entity, taking over its role, function, or position.
-
E.
replacedRollingStock
chosen
Indicates that one rolling stock asset has been substituted or superseded by another in service or operational use.
- F. None of above.
Provenance (6 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_69d94e8a706c8190873623eab7db607d |
completed | April 10, 2026, 7:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f64ba9e1108190b74984d9da9baebe |
completed | May 2, 2026, 7:08 p.m. |
| NEDg | Description generation | batch_69f64c535c9881908e5bf07d13fa73c5 |
completed | May 2, 2026, 7:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6508afef08190ac7a19b1ee90141e |
completed | May 2, 2026, 7:29 p.m. |
| PD | Predicate disambiguation | batch_69d94d41f3cc8190a3331fb9a895306f |
completed | April 10, 2026, 7:19 p.m. |
Created at: April 8, 2026, 9:56 p.m.