Triple
T2526920
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Empire Service |
E56055
|
entity |
| Predicate | bookingSystem |
P6095
|
FINISHED |
| Object |
Amtrak reservation system
The Amtrak reservation system is the centralized platform used to search, book, and manage tickets and seat reservations for Amtrak’s passenger rail services across the United States.
|
E276090
|
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: Amtrak reservation system | Statement: [Empire Service, bookingSystem, Amtrak reservation system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak reservation system Context triple: [Empire Service, bookingSystem, Amtrak reservation system]
-
A.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
B.
Amtrak Keystone Service
Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
-
C.
Amtrak Vermonter
Amtrak Vermonter is a daily intercity passenger train operated by Amtrak that runs between Washington, D.C., and St. Albans, Vermont, serving major cities along the Northeast Corridor and into northern New England.
-
D.
SJC (Amtrak)
SJC (Amtrak) is the Amtrak station code for San Jose Diridon, a major passenger rail hub in San Jose, California.
-
E.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
- 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: Amtrak reservation system Triple: [Empire Service, bookingSystem, Amtrak reservation system]
Generated description
The Amtrak reservation system is the centralized platform used to search, book, and manage tickets and seat reservations for Amtrak’s passenger rail services across the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Amtrak reservation system Target entity description: The Amtrak reservation system is the centralized platform used to search, book, and manage tickets and seat reservations for Amtrak’s passenger rail services across the United States.
-
A.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
B.
Amtrak Keystone Service
Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
-
C.
Amtrak Vermonter
Amtrak Vermonter is a daily intercity passenger train operated by Amtrak that runs between Washington, D.C., and St. Albans, Vermont, serving major cities along the Northeast Corridor and into northern New England.
-
D.
SJC (Amtrak)
SJC (Amtrak) is the Amtrak station code for San Jose Diridon, a major passenger rail hub in San Jose, California.
-
E.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
- 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_69ab4a48e4f081908f1218d244608659 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd255f0d081908d20cfb812c4bfc1 |
completed | March 7, 2026, 7:23 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af2bb0658c8190b71e1352dc4f6be3 |
completed | March 9, 2026, 8:21 p.m. |
| NEDg | Description generation | batch_69af551d68448190a076e659be28b891 |
completed | March 9, 2026, 11:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69af560837388190b082a8f1bee36c51 |
completed | March 9, 2026, 11:21 p.m. |
Created at: March 6, 2026, 9:46 p.m.