Triple
T17860119
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Quinebaug River |
E446047
|
entity |
| Predicate | hasDam |
P8736
|
FINISHED |
| Object | West Thompson 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: West Thompson Dam | Statement: [Quinebaug River, hasDam, West Thompson Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Thompson Dam Context triple: [Quinebaug River, hasDam, West Thompson Dam]
-
A.
Edenville Dam
Edenville Dam was an earthen embankment dam in central Michigan, USA, known for its catastrophic failure in May 2020 that caused major downstream flooding.
-
B.
Granger Dam
Granger Dam is a flood-control and water-management structure located on the San Gabriel River in Southern California.
-
C.
Bradbury Dam
Bradbury Dam is a major earthfill dam in Santa Barbara County, California, that creates Lake Cachuma as a key water supply and flood control facility for the region.
-
D.
Harriman Dam
Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
-
E.
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.
- 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: West Thompson Dam Target entity description: West Thompson Dam is a flood control structure in northeastern Connecticut that creates West Thompson Lake and supports recreation and wildlife management in the Quinebaug River valley.
-
A.
Edenville Dam
Edenville Dam was an earthen embankment dam in central Michigan, USA, known for its catastrophic failure in May 2020 that caused major downstream flooding.
-
B.
Granger Dam
Granger Dam is a flood-control and water-management structure located on the San Gabriel River in Southern California.
-
C.
Bradbury Dam
Bradbury Dam is a major earthfill dam in Santa Barbara County, California, that creates Lake Cachuma as a key water supply and flood control facility for the region.
-
D.
Harriman Dam
Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
-
E.
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.
- 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_69d8b9f26f18819089c9e43250bee6ae |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e4978f34948190a25deb4fd617ad72 |
completed | April 19, 2026, 8:51 a.m. |
Created at: April 10, 2026, 10:17 a.m.