Triple
T7370514
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Stamford station |
E169987
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object | Northeast Corridor rail network |
E2775
|
NE FINISHED |
How this triple was built (2 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: Northeast Corridor rail network | Statement: [Stamford station, isPartOf, Northeast Corridor rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northeast Corridor rail network Context triple: [Stamford station, isPartOf, Northeast Corridor rail network]
-
A.
Northeast Corridor
chosen
The Northeast Corridor is the busiest passenger rail line in the United States, running primarily Amtrak and commuter trains along the urbanized spine of the East Coast between major cities such as Washington, D.C., Philadelphia, New York City, and Boston.
-
B.
Amtrak Empire Corridor
The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
-
C.
Southeast Corridor
The Southeast Corridor is a key passenger rail route in the southeastern United States served by Amtrak’s Carolinian train.
-
D.
Trans-Hudson rail network
The Trans-Hudson rail network is a rapid transit system that connects New Jersey with Manhattan via tunnels under the Hudson River, primarily serving commuters traveling between the two states.
-
E.
U.S. intercity passenger rail network
The U.S. intercity passenger rail network is a nationwide system of medium- and long-distance train routes, primarily operated by Amtrak, that connects major cities and regions across the United States.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c68a5bfaac81909ce7f001dfb70c76 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f182df5c81908964fbaa3f8ec790 |
completed | March 27, 2026, 9:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c810d9717c819099122cd64f9268fc |
completed | March 28, 2026, 5:33 p.m. |
Created at: March 27, 2026, 3:07 p.m.