Triple
T21359836
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Flagstaff Lake |
E526741
|
entity |
| Predicate | submergedSettlement |
P13850
|
FINISHED |
| Object | Dead River Plantation, Maine |
—
|
NE NERFINISHED |
How this triple was built (3 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: Dead River Plantation, Maine | Statement: [Flagstaff Lake, submergedSettlement, Dead River Plantation, Maine]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dead River Plantation, Maine Context triple: [Flagstaff Lake, submergedSettlement, Dead River Plantation, Maine]
-
A.
Reed Plantation, Maine
Reed Plantation, Maine is a small rural community located in northeastern Maine within Aroostook County.
-
B.
Sandy River Plantation, Maine
Sandy River Plantation, Maine is a small, rural plantation community in western Maine known for its mountainous terrain and outdoor recreation opportunities.
-
C.
Moro Plantation, Maine
Moro Plantation, Maine is a small rural community located in northern Aroostook County known for its forested landscape and agricultural character.
-
D.
Coplin Plantation, Maine
Coplin Plantation, Maine is a small, rural plantation in Franklin County known for its forested landscape and outdoor recreation opportunities in western Maine.
-
E.
Seboeis Plantation, Maine
Seboeis Plantation, Maine is a small rural community and plantation located in Penobscot County in central Maine, known for its forests, lakes, and outdoor recreation opportunities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dead River Plantation, Maine Target entity description: Dead River Plantation, Maine was a former rural community in Somerset County that was permanently flooded and abandoned during the creation of Flagstaff Lake in the mid-20th century.
-
A.
Reed Plantation, Maine
Reed Plantation, Maine is a small rural community located in northeastern Maine within Aroostook County.
-
B.
Sandy River Plantation, Maine
Sandy River Plantation, Maine is a small, rural plantation community in western Maine known for its mountainous terrain and outdoor recreation opportunities.
-
C.
Moro Plantation, Maine
Moro Plantation, Maine is a small rural community located in northern Aroostook County known for its forested landscape and agricultural character.
-
D.
Coplin Plantation, Maine
Coplin Plantation, Maine is a small, rural plantation in Franklin County known for its forested landscape and outdoor recreation opportunities in western Maine.
-
E.
Seboeis Plantation, Maine
Seboeis Plantation, Maine is a small rural community and plantation located in Penobscot County in central Maine, known for its forests, lakes, and outdoor recreation opportunities.
- F. None of above. chosen
Provenance (2 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_69e0b51d8a308190b09113b3b3f9bc15 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69ee5bad6a308190a9665734a0fb5f55 |
completed | April 26, 2026, 6:38 p.m. |
Created at: April 16, 2026, 5:07 p.m.