Triple
T3975625
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maine Central Railroad |
E85633
|
entity |
| Predicate | notableRoute |
P22
|
FINISHED |
| Object |
Brunswick Branch
The Brunswick Branch is a rail line in Maine that historically formed part of the Maine Central Railroad’s network, connecting coastal communities and supporting regional passenger and freight service.
|
E409843
|
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: Brunswick Branch | Statement: [Maine Central Railroad, notableRoute, Brunswick Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brunswick Branch Context triple: [Maine Central Railroad, notableRoute, Brunswick Branch]
-
A.
Wando River
The Wando River is a tidal river in the Lowcountry region of South Carolina that flows through the Charleston area and empties into Charleston Harbor.
-
B.
Accokeek Creek
Accokeek Creek is a small waterway in southern Maryland that flows through the Accokeek area toward the Potomac River, contributing to the region’s local watershed and natural landscape.
-
C.
Rapidan River
The Rapidan River is a tributary of the Rappahannock River in Virginia that played a significant strategic role as a natural barrier during the American Civil War.
-
D.
River Blakewater
River Blakewater is a small river in Lancashire, England, that flows through the town of Blackburn and has historically influenced its development and industry.
-
E.
Pocomoke River
The Pocomoke River is a major blackwater river on the Delmarva Peninsula that flows through Maryland and Virginia before emptying into the Chesapeake Bay.
- 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: Brunswick Branch Triple: [Maine Central Railroad, notableRoute, Brunswick Branch]
Generated description
The Brunswick Branch is a rail line in Maine that historically formed part of the Maine Central Railroad’s network, connecting coastal communities and supporting regional passenger and freight service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Brunswick Branch Target entity description: The Brunswick Branch is a rail line in Maine that historically formed part of the Maine Central Railroad’s network, connecting coastal communities and supporting regional passenger and freight service.
-
A.
Wando River
The Wando River is a tidal river in the Lowcountry region of South Carolina that flows through the Charleston area and empties into Charleston Harbor.
-
B.
Accokeek Creek
Accokeek Creek is a small waterway in southern Maryland that flows through the Accokeek area toward the Potomac River, contributing to the region’s local watershed and natural landscape.
-
C.
Rapidan River
The Rapidan River is a tributary of the Rappahannock River in Virginia that played a significant strategic role as a natural barrier during the American Civil War.
-
D.
River Blakewater
River Blakewater is a small river in Lancashire, England, that flows through the town of Blackburn and has historically influenced its development and industry.
-
E.
Pocomoke River
The Pocomoke River is a major blackwater river on the Delmarva Peninsula that flows through Maryland and Virginia before emptying into the Chesapeake Bay.
- 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_69aed93908348190a26c8aaf4fab3e86 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aef9b6d8008190822fceabe6542b3d |
completed | March 9, 2026, 4:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5628ab3ec8190aaaf7803f9f992af |
completed | March 14, 2026, 1:28 p.m. |
| NEDg | Description generation | batch_69b5633103e081909dbe7a7e54877343 |
completed | March 14, 2026, 1:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b563eca17c81908deff0d361a7be87 |
completed | March 14, 2026, 1:34 p.m. |
Created at: March 9, 2026, 3:33 p.m.