Triple
T1273336
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail |
E15757
|
entity |
| Predicate | introducedRollingStockFamily |
P5439
|
FINISHED |
| Object |
Advanced Passenger Train
The Advanced Passenger Train was a pioneering British high-speed tilting train developed by British Rail in the 1970s and 1980s to enable faster travel on existing curving tracks.
|
E145741
|
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: Advanced Passenger Train | Statement: [British Rail, introducedRollingStockFamily, Advanced Passenger Train]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Advanced Passenger Train Context triple: [British Rail, introducedRollingStockFamily, Advanced Passenger Train]
-
A.
High Speed Train
The High Speed Train is a British high-speed diesel-powered passenger train, best known for its long-distance intercity services and record-setting performance on the UK rail network.
-
B.
MARC Train
MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
-
C.
Amtrak Capitol Limited
Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
-
D.
National Limited passenger train
The National Limited passenger train was a prominent long-distance streamliner operated by the Baltimore and Ohio Railroad, connecting major Midwestern and East Coast cities in the mid-20th century.
-
E.
Amtrak Silver Service
Amtrak Silver Service is a pair of long-distance passenger train routes along the U.S. East Coast, primarily connecting New York City and Miami with intermediate stops in major cities.
- 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: Advanced Passenger Train Triple: [British Rail, introducedRollingStockFamily, Advanced Passenger Train]
Generated description
The Advanced Passenger Train was a pioneering British high-speed tilting train developed by British Rail in the 1970s and 1980s to enable faster travel on existing curving tracks.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Advanced Passenger Train Target entity description: The Advanced Passenger Train was a pioneering British high-speed tilting train developed by British Rail in the 1970s and 1980s to enable faster travel on existing curving tracks.
-
A.
High Speed Train
The High Speed Train is a British high-speed diesel-powered passenger train, best known for its long-distance intercity services and record-setting performance on the UK rail network.
-
B.
MARC Train
MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
-
C.
Amtrak Capitol Limited
Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
-
D.
National Limited passenger train
The National Limited passenger train was a prominent long-distance streamliner operated by the Baltimore and Ohio Railroad, connecting major Midwestern and East Coast cities in the mid-20th century.
-
E.
Amtrak Silver Service
Amtrak Silver Service is a pair of long-distance passenger train routes along the U.S. East Coast, primarily connecting New York City and Miami with intermediate stops in major cities.
- 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_69a4935a94308190bb92555b79032824 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4c48bec548190b25d4a74b323cc1b |
completed | March 1, 2026, 10:58 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aca2f49a98819083dacff7e76ad195 |
completed | March 7, 2026, 10:13 p.m. |
| NEDg | Description generation | batch_69aca38229108190b8cc2e0ef5bc8667 |
completed | March 7, 2026, 10:15 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69aca40068f08190a49f9cbb5c78b471 |
completed | March 7, 2026, 10:17 p.m. |
Created at: March 1, 2026, 7:50 p.m.