Triple
T1584746
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Churchill River |
E34038
|
entity |
| Predicate | watercourseHasDam |
P32893
|
FINISHED |
| Object | Churchill Falls dam |
E139123
|
NE FINISHED |
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: Churchill Falls dam | Statement: [Churchill River, watercourseHasDam, Churchill Falls dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Churchill Falls dam Context triple: [Churchill River, watercourseHasDam, Churchill Falls dam]
-
A.
Churchill Falls
Churchill Falls is a remote company town in western Labrador, Canada, best known for its massive hydroelectric generating station on the Churchill River.
-
B.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
-
C.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
D.
Churchill Falls Generating Station
chosen
Churchill Falls Generating Station is one of the world’s largest underground hydroelectric power plants, located on the Churchill River in Labrador, Canada.
-
E.
Stampede Dam
Stampede Dam is a major earthfill dam in Nevada County, California, that creates Stampede Reservoir on the Little Truckee River for water storage, flood control, and wildlife habitat.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: watercourseHasDam Context triple: [Churchill River, watercourseHasDam, Churchill Falls dam]
-
A.
reservoirCreatedByDam
Indicates that a reservoir exists as a result of being formed or impounded by a specific dam.
-
B.
waterwayJunction
Indicates a point where two or more waterways meet, intersect, or branch from one another.
-
C.
watercourseName
Indicates the name assigned to a river, stream, or other flowing body of water in the relationship.
-
D.
hasWatercourseType
Indicates the specific kind or category of watercourse (such as river, stream, or canal) associated with an entity.
-
E.
mouthOfTheWatercourse
Indicates the location where a watercourse ends and flows into a larger body of water.
- F. None of above. chosen
Provenance (5 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_69a885fceb2c8190b47e0f7c0aefbff0 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69abacfb1144819080c5687175aba1e1 |
completed | March 7, 2026, 4:43 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad4035dd7c8190817301c0a2b0b938 |
completed | March 8, 2026, 9:24 a.m. |
| PD | Predicate disambiguation | batch_69aa61b0f5bc8190b1dc272990a59c13 |
completed | March 6, 2026, 5:10 a.m. |
| PDg | Predicate description generation | batch_69abacf991148190b20521c063f93bfd |
completed | March 7, 2026, 4:43 a.m. |
Created at: March 4, 2026, 7:27 p.m.