Triple
T6794179
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Auto Train |
E156009
|
entity |
| Predicate | predecessor |
P97
|
FINISHED |
| Object |
Auto-Train Corporation service (1971–1981)
Auto-Train Corporation service (1971–1981) was a privately operated U.S. rail service that carried both passengers and their automobiles between Virginia and Florida before ceasing operations in the early 1980s.
|
E620018
|
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: Auto-Train Corporation service (1971–1981) | Statement: [Amtrak Auto Train, predecessor, Auto-Train Corporation service (1971–1981)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Auto-Train Corporation service (1971–1981) Context triple: [Amtrak Auto Train, predecessor, Auto-Train Corporation service (1971–1981)]
-
A.
Mainline Trains (past)
Mainline Trains was a former British train operating company that provided passenger rail services in the United Kingdom before the consolidation and rebranding of regional franchises.
-
B.
1 train
The 1 train is a New York City Subway service that runs along the Broadway–Seventh Avenue Line, providing local service between the Bronx and lower Manhattan.
-
C.
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.
-
D.
SMART train
SMART train is a commuter rail service in California’s North Bay region that connects communities in Marin and Sonoma counties.
-
E.
Rolling Stock Company
Rolling Stock Company is the Kawasaki Heavy Industries division responsible for designing and manufacturing railway vehicles and related transportation systems.
- 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: Auto-Train Corporation service (1971–1981) Triple: [Amtrak Auto Train, predecessor, Auto-Train Corporation service (1971–1981)]
Generated description
Auto-Train Corporation service (1971–1981) was a privately operated U.S. rail service that carried both passengers and their automobiles between Virginia and Florida before ceasing operations in the early 1980s.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Auto-Train Corporation service (1971–1981) Target entity description: Auto-Train Corporation service (1971–1981) was a privately operated U.S. rail service that carried both passengers and their automobiles between Virginia and Florida before ceasing operations in the early 1980s.
-
A.
Mainline Trains (past)
Mainline Trains was a former British train operating company that provided passenger rail services in the United Kingdom before the consolidation and rebranding of regional franchises.
-
B.
1 train
The 1 train is a New York City Subway service that runs along the Broadway–Seventh Avenue Line, providing local service between the Bronx and lower Manhattan.
-
C.
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.
-
D.
SMART train
SMART train is a commuter rail service in California’s North Bay region that connects communities in Marin and Sonoma counties.
-
E.
Rolling Stock Company
Rolling Stock Company is the Kawasaki Heavy Industries division responsible for designing and manufacturing railway vehicles and related transportation systems.
- 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_69c6881844448190a65822d9b39d7f88 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d2c59648819081736d27d52d957f |
completed | March 27, 2026, 6:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c71a90dfb081909120e8502b26a88b |
completed | March 28, 2026, 12:02 a.m. |
| NEDg | Description generation | batch_69c71b88b27c8190b803f0e9f6402c44 |
completed | March 28, 2026, 12:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c71c91e08c81908be81efc2087464a |
completed | March 28, 2026, 12:10 a.m. |
Created at: March 27, 2026, 2:15 p.m.