Triple
T19213810
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Presumpscot River |
E480424
|
entity |
| Predicate | hasDam |
P8736
|
FINISHED |
| Object | North Gorham 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: North Gorham Dam | Statement: [Presumpscot River, hasDam, North Gorham Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Gorham Dam Context triple: [Presumpscot River, hasDam, North Gorham Dam]
-
A.
Watertown Dam
Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
-
B.
Granby Dam
Granby Dam is a major earthfill dam in Colorado that forms Lake Granby, a key storage reservoir supplying water for irrigation, municipal use, and power generation in the region.
-
C.
Norwood Dam
Norwood Dam is a hydroelectric dam located on the Raquette River in New York, used for power generation and river flow management.
-
D.
North Fork Dam
North Fork Dam is a hydroelectric and water-supply dam located on the Clackamas River in northwestern Oregon.
-
E.
Dartmouth Dam
Dartmouth Dam is a major rockfill embankment dam in Victoria, Australia, forming the Dartmouth Reservoir and playing a key role in water storage and flow regulation in the Murray–Darling Basin.
- 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: North Gorham Dam Target entity description: North Gorham Dam is a hydroelectric dam located on Maine’s Presumpscot River, used for power generation and water level control.
-
A.
Watertown Dam
Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
-
B.
Granby Dam
Granby Dam is a major earthfill dam in Colorado that forms Lake Granby, a key storage reservoir supplying water for irrigation, municipal use, and power generation in the region.
-
C.
Norwood Dam
Norwood Dam is a hydroelectric dam located on the Raquette River in New York, used for power generation and river flow management.
-
D.
North Fork Dam
North Fork Dam is a hydroelectric and water-supply dam located on the Clackamas River in northwestern Oregon.
-
E.
Dartmouth Dam
Dartmouth Dam is a major rockfill embankment dam in Victoria, Australia, forming the Dartmouth Reservoir and playing a key role in water storage and flow regulation in the Murray–Darling Basin.
- 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.