Triple
T23452299
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mountain Island Lake |
E567813
|
entity |
| Predicate | formedBy |
P972
|
FINISHED |
| Object | Mountain Island Dam on the Catawba River |
—
|
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: Mountain Island Dam on the Catawba River | Statement: [Mountain Island Lake, formedBy, Mountain Island Dam on the Catawba River]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mountain Island Dam on the Catawba River Context triple: [Mountain Island Lake, formedBy, Mountain Island Dam on the Catawba River]
-
A.
Catawba Dam
Catawba Dam is a hydroelectric and flood-control structure on the Catawba River in the Carolinas that impounds the river to form Lake Wylie.
-
B.
Roanoke Rapids Dam
Roanoke Rapids Dam is a hydroelectric dam on the Roanoke River in North Carolina that generates power and helps regulate river flow.
-
C.
Smith Mountain Dam
Smith Mountain Dam is a hydroelectric and pumped-storage dam in Virginia that creates Smith Mountain Lake on the Roanoke River.
-
D.
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.
-
E.
South Holston Dam
South Holston Dam is a large Tennessee Valley Authority hydroelectric and flood-control dam on the South Fork Holston River in northeastern Tennessee.
- 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: Mountain Island Dam on the Catawba River Target entity description: Mountain Island Dam on the Catawba River is a hydroelectric and water-supply dam in North Carolina that impounds the Catawba River to create Mountain Island Lake, serving the Charlotte metropolitan area.
-
A.
Catawba Dam
Catawba Dam is a hydroelectric and flood-control structure on the Catawba River in the Carolinas that impounds the river to form Lake Wylie.
-
B.
Roanoke Rapids Dam
Roanoke Rapids Dam is a hydroelectric dam on the Roanoke River in North Carolina that generates power and helps regulate river flow.
-
C.
Smith Mountain Dam
Smith Mountain Dam is a hydroelectric and pumped-storage dam in Virginia that creates Smith Mountain Lake on the Roanoke River.
-
D.
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.
-
E.
South Holston Dam
South Holston Dam is a large Tennessee Valley Authority hydroelectric and flood-control dam on the South Fork Holston River in northeastern Tennessee.
- 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_69e2458b4c888190b1d7998f9862a558 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f1a64ded5c8190bd50ac5b9bbb0f5f |
completed | April 29, 2026, 6:33 a.m. |
Created at: April 17, 2026, 5:52 p.m.