Triple
T17295068
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mattagami River |
E419885
|
entity |
| Predicate | hasHydroelectricStation |
P15311
|
FINISHED |
| Object |
Little Long Generating Station
Little Long Generating Station is a hydroelectric power plant located on the Mattagami River in northeastern Ontario, Canada, that contributes to the region’s electricity supply.
|
E1261582
|
NE FINISHED |
How this triple was built (4 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: Little Long Generating Station | Statement: [Mattagami River, hasHydroelectricStation, Little Long Generating Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Little Long Generating Station Context triple: [Mattagami River, hasHydroelectricStation, Little Long Generating Station]
-
A.
Beaumont Generating Station
Beaumont Generating Station is a hydroelectric power plant located on the Saint-Maurice River in Quebec, Canada, contributing to the region’s renewable electricity generation.
-
B.
Limestone Generating Station
Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
-
C.
Comanche Peak Nuclear Power Plant
Comanche Peak Nuclear Power Plant is a commercial nuclear power generating facility in North Texas that supplies electricity to the region and is one of the state’s major nuclear power stations.
-
D.
McArthur Falls Generating Station
McArthur Falls Generating Station is a hydroelectric power plant on the Winnipeg River in Manitoba, Canada, that generates electricity by harnessing the river’s flow.
-
E.
Kelsey Generating Station
Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Little Long Generating Station Triple: [Mattagami River, hasHydroelectricStation, Little Long Generating Station]
Generated description
Little Long Generating Station is a hydroelectric power plant located on the Mattagami River in northeastern Ontario, Canada, that contributes to the region’s electricity supply.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Little Long Generating Station Target entity description: Little Long Generating Station is a hydroelectric power plant located on the Mattagami River in northeastern Ontario, Canada, that contributes to the region’s electricity supply.
-
A.
Beaumont Generating Station
Beaumont Generating Station is a hydroelectric power plant located on the Saint-Maurice River in Quebec, Canada, contributing to the region’s renewable electricity generation.
-
B.
Limestone Generating Station
Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
-
C.
Comanche Peak Nuclear Power Plant
Comanche Peak Nuclear Power Plant is a commercial nuclear power generating facility in North Texas that supplies electricity to the region and is one of the state’s major nuclear power stations.
-
D.
McArthur Falls Generating Station
McArthur Falls Generating Station is a hydroelectric power plant on the Winnipeg River in Manitoba, Canada, that generates electricity by harnessing the river’s flow.
-
E.
Kelsey Generating Station
Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
- 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_69d886db32608190a61e18862c5a8af6 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e437875b208190bcf0df2ded546257 |
completed | April 19, 2026, 2:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0180d66bb8819086eb2c72b4dcbafb |
completed | May 11, 2026, 7:10 a.m. |
| NEDg | Description generation | batch_6a01848c84cc8190bbcf1a8be82d0f68 |
completed | May 11, 2026, 7:26 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01850519108190972c1ecea6b9313c |
completed | May 11, 2026, 7:28 a.m. |
Created at: April 10, 2026, 5:40 a.m.