Triple
T1122000
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Northeast Regional |
E24631
|
entity |
| Predicate | formerName |
P65
|
FINISHED |
| Object | NortheastDirect |
E35487
|
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: NortheastDirect | Statement: [Amtrak Northeast Regional, formerName, NortheastDirect]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NortheastDirect Context triple: [Amtrak Northeast Regional, formerName, NortheastDirect]
-
A.
Northeast Regional
chosen
Northeast Regional is one of Amtrak’s primary intercity passenger rail services, operating frequent medium-distance trains along the busy Northeast Corridor and adjacent routes.
-
B.
Baltimore–Harrisburg corridor
The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
-
C.
North Central Service line
The North Central Service line is a Metra commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and northern suburbs near Antioch, Illinois.
-
D.
New York–Newark CSA
The New York–Newark CSA is a major U.S. combined statistical area centered on New York City and Newark that encompasses a vast, densely populated multi-state metropolitan region.
-
E.
Lowell Connector
The Lowell Connector is a short freeway spur in Lowell, Massachusetts, that links the city to the larger interstate highway network.
- 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_69a4940712c88190aa244f3fc6070a65 |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bbbf71188190b82c8fff9d5ac01a |
completed | March 1, 2026, 10:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac539d51848190a9eb9ddaa7e4c6a8 |
completed | March 7, 2026, 4:34 p.m. |
Created at: March 1, 2026, 7:44 p.m.