Triple
T19213809
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Presumpscot River |
E480424
|
entity |
| Predicate | hasDam |
P8736
|
FINISHED |
| Object | Eel Weir 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: Eel Weir Dam | Statement: [Presumpscot River, hasDam, Eel Weir Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eel Weir Dam Context triple: [Presumpscot River, hasDam, Eel Weir Dam]
-
A.
Walterville Dam
Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
-
B.
Milner Dam
Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
-
C.
Stevenson Dam
Stevenson Dam is a hydroelectric dam on the Housatonic River in Connecticut, known for forming Lake Zoar and carrying Route 34 across the river.
-
D.
Westville Dam
Westville Dam is a flood-control and recreation dam located on the Quinebaug River in Massachusetts.
-
E.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
- 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: Eel Weir Dam Target entity description: Eel Weir Dam is a hydroelectric and water-control structure located on Maine’s Presumpscot River, helping regulate river flow and support regional power generation.
-
A.
Walterville Dam
Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
-
B.
Milner Dam
Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
-
C.
Stevenson Dam
Stevenson Dam is a hydroelectric dam on the Housatonic River in Connecticut, known for forming Lake Zoar and carrying Route 34 across the river.
-
D.
Westville Dam
Westville Dam is a flood-control and recreation dam located on the Quinebaug River in Massachusetts.
-
E.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
- 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.