Triple
T15778532
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tygart Valley River |
E382549
|
entity |
| Predicate | hasDam |
P8736
|
FINISHED |
| Object | Tygart 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: Tygart Dam | Statement: [Tygart Valley River, hasDam, Tygart Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tygart Dam Context triple: [Tygart Valley River, hasDam, Tygart Dam]
-
A.
Smith Mountain Dam
Smith Mountain Dam is a hydroelectric and pumped-storage dam in Virginia that creates Smith Mountain Lake on the Roanoke River.
-
B.
Apalachia Dam
Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
-
C.
Leesville Dam
Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
-
D.
Jennings Randolph Dam
Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
-
E.
Watauga Dam
Watauga Dam is a hydroelectric dam in northeastern Tennessee that impounds the Watauga River to provide power generation, flood control, and recreational opportunities in the Tennessee Valley region.
- 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: Tygart Dam Target entity description: Tygart Dam is a concrete gravity dam in West Virginia that forms Tygart Lake and provides flood control, water supply, and recreational opportunities along the Tygart Valley River.
-
A.
Smith Mountain Dam
Smith Mountain Dam is a hydroelectric and pumped-storage dam in Virginia that creates Smith Mountain Lake on the Roanoke River.
-
B.
Apalachia Dam
Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
-
C.
Leesville Dam
Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
-
D.
Jennings Randolph Dam
Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
-
E.
Watauga Dam
Watauga Dam is a hydroelectric dam in northeastern Tennessee that impounds the Watauga River to provide power generation, flood control, and recreational opportunities in the Tennessee Valley region.
- 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_69d86da09a10819082fe9797b23e4664 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e053fea90081908e3fe4f91475bead |
completed | April 16, 2026, 3:14 a.m. |
Created at: April 10, 2026, 4:47 a.m.