Triple
T7071367
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Piedmont |
E164704
|
entity |
| Predicate | corridor |
P5520
|
FINISHED |
| Object |
Piedmont corridor
The Piedmont corridor is a passenger rail route in North Carolina connecting key cities such as Raleigh, Durham, Greensboro, and Charlotte.
|
E641322
|
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: Piedmont corridor | Statement: [Amtrak Piedmont, corridor, Piedmont corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piedmont corridor Context triple: [Amtrak Piedmont, corridor, Piedmont corridor]
-
A.
Southeast Corridor
The Southeast Corridor is a key passenger rail route in the southeastern United States served by Amtrak’s Carolinian train.
-
B.
Geneva Spur
Geneva Spur is a branch of the Illinois Prairie Path, a multi-use recreational trail in the Chicago metropolitan area.
-
C.
Atlanta–Columbus corridor
The Atlanta–Columbus corridor is a major transportation and economic route in western Georgia that links the Atlanta metropolitan area with the city of Columbus and the communities in between.
-
D.
Baltimore–Harrisburg corridor
The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
-
E.
Washington & Old Dominion Railroad Trail
The Washington & Old Dominion Railroad Trail is a popular multi-use paved rail trail in Northern Virginia that follows a former railroad corridor through several communities for recreation and commuting.
- 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: Piedmont corridor Triple: [Amtrak Piedmont, corridor, Piedmont corridor]
Generated description
The Piedmont corridor is a passenger rail route in North Carolina connecting key cities such as Raleigh, Durham, Greensboro, and Charlotte.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Piedmont corridor Target entity description: The Piedmont corridor is a passenger rail route in North Carolina connecting key cities such as Raleigh, Durham, Greensboro, and Charlotte.
-
A.
Southeast Corridor
The Southeast Corridor is a key passenger rail route in the southeastern United States served by Amtrak’s Carolinian train.
-
B.
Geneva Spur
Geneva Spur is a branch of the Illinois Prairie Path, a multi-use recreational trail in the Chicago metropolitan area.
-
C.
Atlanta–Columbus corridor
The Atlanta–Columbus corridor is a major transportation and economic route in western Georgia that links the Atlanta metropolitan area with the city of Columbus and the communities in between.
-
D.
Baltimore–Harrisburg corridor
The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
-
E.
Washington & Old Dominion Railroad Trail
The Washington & Old Dominion Railroad Trail is a popular multi-use paved rail trail in Northern Virginia that follows a former railroad corridor through several communities for recreation and commuting.
- 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_69c6887b96548190a8a9b3ac8adf4119 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e4c9cdbc8190b91cd3b4eef58eb6 |
completed | March 27, 2026, 8:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7945a98108190b982ad41222333e4 |
completed | March 28, 2026, 8:42 a.m. |
| NEDg | Description generation | batch_69c7987eb82c819097194f3b1a5ebfac |
completed | March 28, 2026, 8:59 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c79a9087508190b56f14e193d924ca |
completed | March 28, 2026, 9:08 a.m. |
Created at: March 27, 2026, 2:39 p.m.