Triple
T19213815
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Presumpscot River |
E480424
|
entity |
| Predicate | hasDam |
P8736
|
FINISHED |
| Object | Cumberland Mills Dam |
—
|
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: Cumberland Mills Dam | Statement: [Presumpscot River, hasDam, Cumberland Mills Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cumberland Mills Dam Context triple: [Presumpscot River, hasDam, Cumberland Mills Dam]
-
A.
Summersville Dam
Summersville Dam is a large rock-fill dam on the Gauley River in West Virginia, known for creating Summersville Lake and supporting popular whitewater recreation downstream.
-
B.
Nolichucky Dam
Nolichucky Dam is a hydroelectric and flood-control dam on the Nolichucky River in Tennessee, known for forming Davy Crockett Lake and supporting regional power generation and recreation.
-
C.
Nolin River Dam
Nolin River Dam is a flood-control and recreation dam located on the Nolin River in central Kentucky, forming Nolin River Lake.
-
D.
Apalachia Dam
Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
-
E.
Tillery Dam
Tillery Dam is a hydroelectric dam on the Yadkin River in North Carolina that forms Lake Tillery and helps generate power and manage water resources in the region.
- 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: Cumberland Mills Dam Target entity description: Cumberland Mills Dam is a historic hydroelectric and industrial dam located on the Presumpscot River in Westbrook, Maine.
-
A.
Summersville Dam
Summersville Dam is a large rock-fill dam on the Gauley River in West Virginia, known for creating Summersville Lake and supporting popular whitewater recreation downstream.
-
B.
Nolichucky Dam
Nolichucky Dam is a hydroelectric and flood-control dam on the Nolichucky River in Tennessee, known for forming Davy Crockett Lake and supporting regional power generation and recreation.
-
C.
Nolin River Dam
Nolin River Dam is a flood-control and recreation dam located on the Nolin River in central Kentucky, forming Nolin River Lake.
-
D.
Apalachia Dam
Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
-
E.
Tillery Dam
Tillery Dam is a hydroelectric dam on the Yadkin River in North Carolina that forms Lake Tillery and helps generate power and manage water resources in the region.
- 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_69d8e8cb8c348190b52075823911c869 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fa38c0e881908e9501ee21d0f266 |
completed | April 20, 2026, 10:04 a.m. |
Created at: April 10, 2026, 1:22 p.m.