Triple
T18391613
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hales Bar Dam |
E449741
|
entity |
| Predicate | locatedUpstreamOf |
P5955
|
FINISHED |
| Object | Nickajack Dam |
—
|
NE NERFINISHED |
How this triple was built (2 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: Nickajack Dam | Statement: [Hales Bar Dam, locatedUpstreamOf, Nickajack Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nickajack Dam Context triple: [Hales Bar Dam, locatedUpstreamOf, Nickajack Dam]
-
A.
Nickajack Dam
chosen
Nickajack Dam is a hydroelectric and navigation dam on the Tennessee River in southeastern Tennessee, forming Nickajack Lake and helping control flooding and support regional power generation.
-
B.
Dry Falls Dam
Dry Falls Dam is a key irrigation and water management structure in central Washington State, built as part of the Columbia Basin Project to help distribute Columbia River water to surrounding agricultural lands.
-
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.
O’Neill Dam
O’Neill Dam is an earthfill embankment dam in California that forms the O’Neill Forebay as part of the state’s Central Valley Project water storage and conveyance system.
-
E.
Rodman Dam
Rodman Dam is a controversial man-made structure in north-central Florida that created the Rodman Reservoir by impounding the Ocklawaha River as part of the partially completed Cross Florida Barge Canal project.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8b9fab8a8819086a9ddc0871715e0 |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e518422e488190bd06fad72efa1641 |
completed | April 19, 2026, 6 p.m. |
Created at: April 10, 2026, 10:46 a.m.