Triple
T328299
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Station (Baltimore) |
E6568
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object |
Cardinal (train)
The Cardinal is an Amtrak long-distance passenger train that runs three times weekly between New York City and Chicago via Washington, D.C., and the scenic New River Gorge.
|
E41916
|
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: Cardinal (train) | Statement: [Pennsylvania Station (Baltimore), serves, Cardinal (train)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cardinal (train) Context triple: [Pennsylvania Station (Baltimore), serves, Cardinal (train)]
-
A.
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.
-
B.
C train
The C train is a local service on the New York City Subway’s Eighth Avenue Line, running primarily between Upper Manhattan and Brooklyn.
-
C.
Aeroexpress train
The Aeroexpress train is a dedicated high-speed rail service that connects central Moscow with major airports, including Domodedovo International Airport.
-
D.
Acela
Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
-
E.
E train
The E train is a New York City Subway service that runs primarily along the IND Eighth Avenue Line, providing rapid transit between Queens and Manhattan.
- 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: Cardinal (train) Triple: [Pennsylvania Station (Baltimore), serves, Cardinal (train)]
Generated description
The Cardinal is an Amtrak long-distance passenger train that runs three times weekly between New York City and Chicago via Washington, D.C., and the scenic New River Gorge.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cardinal (train) Target entity description: The Cardinal is an Amtrak long-distance passenger train that runs three times weekly between New York City and Chicago via Washington, D.C., and the scenic New River Gorge.
-
A.
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.
-
B.
C train
The C train is a local service on the New York City Subway’s Eighth Avenue Line, running primarily between Upper Manhattan and Brooklyn.
-
C.
Aeroexpress train
The Aeroexpress train is a dedicated high-speed rail service that connects central Moscow with major airports, including Domodedovo International Airport.
-
D.
Acela
Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
-
E.
E train
The E train is a New York City Subway service that runs primarily along the IND Eighth Avenue Line, providing rapid transit between Queens and Manhattan.
- 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_69a2e7933d6c8190bb2592ad13286ef2 |
completed | Feb. 28, 2026, 1:03 p.m. |
| NER | Named-entity recognition | batch_69a2ea98fa2c8190a5b44f4a26543a17 |
completed | Feb. 28, 2026, 1:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3cfef5f4c8190a9c0e14a5a501237 |
completed | March 1, 2026, 5:34 a.m. |
| NEDg | Description generation | batch_69a3d068ea8c81908851444ca70a64b4 |
completed | March 1, 2026, 5:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3d0eb96748190aa8c47736820387c |
completed | March 1, 2026, 5:38 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.