Triple
T3532806
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Quantico (Amtrak station) |
E74699
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
RF&P Subdivision
The RF&P Subdivision is a major railroad line in Virginia that forms part of the former Richmond, Fredericksburg and Potomac Railroad main route, now used by both freight and passenger trains including Amtrak services.
|
E366225
|
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: RF&P Subdivision | Statement: [Quantico (Amtrak station), servedByLine, RF&P Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: RF&P Subdivision Context triple: [Quantico (Amtrak station), servedByLine, RF&P Subdivision]
-
A.
Peninsula Subdivision
Peninsula Subdivision is a rail line in California’s San Francisco Peninsula region that carries commuter and other train services through cities such as Atherton.
-
B.
Hudson Subdivision
The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
-
C.
Civil Lines subdivision
Civil Lines subdivision is an administrative area within Karachi, Pakistan, known for its colonial-era architecture, government institutions, and relatively upscale residential and commercial zones.
-
D.
Forked River Service Area
Forked River Service Area is a highway rest stop in New Jersey that provides fuel, food, and traveler amenities along the Garden State Parkway.
-
E.
Danapur subdivision
Danapur subdivision is an administrative subdivision in the Patna district of Bihar, India, encompassing the urban area of Danapur and its surrounding regions.
- 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: RF&P Subdivision Triple: [Quantico (Amtrak station), servedByLine, RF&P Subdivision]
Generated description
The RF&P Subdivision is a major railroad line in Virginia that forms part of the former Richmond, Fredericksburg and Potomac Railroad main route, now used by both freight and passenger trains including Amtrak services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: RF&P Subdivision Target entity description: The RF&P Subdivision is a major railroad line in Virginia that forms part of the former Richmond, Fredericksburg and Potomac Railroad main route, now used by both freight and passenger trains including Amtrak services.
-
A.
Peninsula Subdivision
Peninsula Subdivision is a rail line in California’s San Francisco Peninsula region that carries commuter and other train services through cities such as Atherton.
-
B.
Hudson Subdivision
The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
-
C.
Civil Lines subdivision
Civil Lines subdivision is an administrative area within Karachi, Pakistan, known for its colonial-era architecture, government institutions, and relatively upscale residential and commercial zones.
-
D.
Forked River Service Area
Forked River Service Area is a highway rest stop in New Jersey that provides fuel, food, and traveler amenities along the Garden State Parkway.
-
E.
Danapur subdivision
Danapur subdivision is an administrative subdivision in the Patna district of Bihar, India, encompassing the urban area of Danapur and its surrounding regions.
- 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_69ad85d1a3948190931fd1ea1f49717b |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbc9a14c881908932b17ed3eececb |
completed | March 8, 2026, 6:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b37e9a2b848190a5c2b3072fa6c44c |
completed | March 13, 2026, 3:03 a.m. |
| NEDg | Description generation | batch_69b37f07ab70819089fdb7083b81b992 |
completed | March 13, 2026, 3:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b38078bc288190b69d73a64acce8ca |
completed | March 13, 2026, 3:11 a.m. |
Created at: March 8, 2026, 3:19 p.m.