Triple
T1121999
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Northeast Regional |
E24631
|
entity |
| Predicate | endPoint |
P390
|
FINISHED |
| Object |
Virginia terminals (Norfolk, Newport News, Roanoke, Richmond)
Virginia terminals (Norfolk, Newport News, Roanoke, Richmond) are key passenger rail endpoints in Virginia served by Amtrak’s Northeast Regional route.
|
E127703
|
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: Virginia terminals (Norfolk, Newport News, Roanoke, Richmond) | Statement: [Amtrak Northeast Regional, endPoint, Virginia terminals (Norfolk, Newport News, Roanoke, Richmond)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Virginia terminals (Norfolk, Newport News, Roanoke, Richmond) Context triple: [Amtrak Northeast Regional, endPoint, Virginia terminals (Norfolk, Newport News, Roanoke, Richmond)]
-
A.
Virginia Department of Rail and Public Transportation
The Virginia Department of Rail and Public Transportation is a state agency responsible for planning, funding, and improving passenger and freight rail, public transit, and commuter services across the Commonwealth of Virginia.
-
B.
Newport News, Virginia
Newport News, Virginia is an independent coastal city in southeastern Virginia known for its major shipbuilding industry and large U.S. Navy presence.
-
C.
Norfolk, Virginia
Norfolk, Virginia is a historic independent port city in southeastern Virginia, known for hosting the world’s largest naval base and serving as a major cultural and economic center of the Hampton Roads region.
-
D.
Virginia Beach–Norfolk–Newport News metropolitan area
The Virginia Beach–Norfolk–Newport News metropolitan area is a major coastal urban region in southeastern Virginia and northeastern North Carolina centered on the Hampton Roads harbor, known for its large military presence, port facilities, and tourism.
-
E.
Richmond, Virginia
Richmond, Virginia is the capital city of the U.S. state of Virginia, known for its pivotal role in American history, particularly as the capital of the Confederacy during the Civil War.
- 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: Virginia terminals (Norfolk, Newport News, Roanoke, Richmond) Triple: [Amtrak Northeast Regional, endPoint, Virginia terminals (Norfolk, Newport News, Roanoke, Richmond)]
Generated description
Virginia terminals (Norfolk, Newport News, Roanoke, Richmond) are key passenger rail endpoints in Virginia served by Amtrak’s Northeast Regional route.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Virginia terminals (Norfolk, Newport News, Roanoke, Richmond) Target entity description: Virginia terminals (Norfolk, Newport News, Roanoke, Richmond) are key passenger rail endpoints in Virginia served by Amtrak’s Northeast Regional route.
-
A.
Virginia Department of Rail and Public Transportation
The Virginia Department of Rail and Public Transportation is a state agency responsible for planning, funding, and improving passenger and freight rail, public transit, and commuter services across the Commonwealth of Virginia.
-
B.
Newport News, Virginia
Newport News, Virginia is an independent coastal city in southeastern Virginia known for its major shipbuilding industry and large U.S. Navy presence.
-
C.
Norfolk, Virginia
Norfolk, Virginia is a historic independent port city in southeastern Virginia, known for hosting the world’s largest naval base and serving as a major cultural and economic center of the Hampton Roads region.
-
D.
Virginia Beach–Norfolk–Newport News metropolitan area
The Virginia Beach–Norfolk–Newport News metropolitan area is a major coastal urban region in southeastern Virginia and northeastern North Carolina centered on the Hampton Roads harbor, known for its large military presence, port facilities, and tourism.
-
E.
Richmond, Virginia
Richmond, Virginia is the capital city of the U.S. state of Virginia, known for its pivotal role in American history, particularly as the capital of the Confederacy during the Civil War.
- 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_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. |
| NEDg | Description generation | batch_69ac54426e3c8190af166a54af44e210 |
completed | March 7, 2026, 4:37 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac54bb7b148190ba1c8ab2202cf429 |
completed | March 7, 2026, 4:39 p.m. |
Created at: March 1, 2026, 7:44 p.m.