Triple
T3022769
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keystone Service (select trains) |
E82501
|
entity |
| Predicate | primaryRoute |
P6298
|
FINISHED |
| Object | New York City–Harrisburg |
E234121
|
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: New York City–Harrisburg | Statement: [Keystone Service (select trains), primaryRoute, New York City–Harrisburg]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New York City–Harrisburg Context triple: [Keystone Service (select trains), primaryRoute, New York City–Harrisburg]
-
A.
Philadelphia–Harrisburg
Philadelphia–Harrisburg is the key intercity rail segment in Pennsylvania linking the state’s largest city with its capital along Amtrak’s Keystone Corridor.
-
B.
New York City–Washington, D.C.
chosen
New York City–Washington, D.C. refers to the heavily traveled, fully electrified segment of the Northeast Corridor rail line connecting the two major East Coast cities.
-
C.
Trenton
Trenton is a community in Ontario, Canada, located at the eastern end of the Trent–Severn Waterway and known as a regional hub on the Bay of Quinte.
-
D.
Baltimore–Harrisburg corridor
The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
-
E.
Harrisburg Transportation Center
Harrisburg Transportation Center is a historic intermodal transit hub in Harrisburg, Pennsylvania, serving as a major Amtrak rail station and local bus center.
- 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_69ad8b1fb34081908c1b873e2b7273e1 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad9a963034819093d96566e9b0cea9 |
completed | March 8, 2026, 3:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b1deafdcb881908174331d5bfc6349 |
completed | March 11, 2026, 9:29 p.m. |
Created at: March 8, 2026, 3 p.m.