Triple
T4466780
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Itaipu Dam |
E98397
|
entity |
| Predicate | turbineType |
P11311
|
FINISHED |
| Object |
Francis turbine
A Francis turbine is a widely used reaction water turbine designed for medium-head hydroelectric power generation, known for its high efficiency and suitability for large dams.
|
E442395
|
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: Francis turbine | Statement: [Itaipu Dam, turbineType, Francis turbine]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Francis turbine Context triple: [Itaipu Dam, turbineType, Francis turbine]
-
A.
Kaplan turbines
Kaplan turbines are adjustable-blade water turbines commonly used in low-head hydroelectric power plants to efficiently generate electricity from large volumes of flowing water.
-
B.
Voith
Voith is a German multinational engineering company known for its technologies and services in sectors such as energy, paper, raw materials, and transportation.
-
C.
Olidan power station
Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
-
D.
Flix hydroelectric plant
The Flix hydroelectric plant is a hydroelectric power station located in the municipality of Flix in Catalonia, Spain, generating electricity from the flow of the Ebro River.
-
E.
Gravfoss power station
Gravfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s flow.
- 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: Francis turbine Triple: [Itaipu Dam, turbineType, Francis turbine]
Generated description
A Francis turbine is a widely used reaction water turbine designed for medium-head hydroelectric power generation, known for its high efficiency and suitability for large dams.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Francis turbine Target entity description: A Francis turbine is a widely used reaction water turbine designed for medium-head hydroelectric power generation, known for its high efficiency and suitability for large dams.
-
A.
Kaplan turbines
Kaplan turbines are adjustable-blade water turbines commonly used in low-head hydroelectric power plants to efficiently generate electricity from large volumes of flowing water.
-
B.
Voith
Voith is a German multinational engineering company known for its technologies and services in sectors such as energy, paper, raw materials, and transportation.
-
C.
Olidan power station
Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
-
D.
Flix hydroelectric plant
The Flix hydroelectric plant is a hydroelectric power station located in the municipality of Flix in Catalonia, Spain, generating electricity from the flow of the Ebro River.
-
E.
Gravfoss power station
Gravfoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable electricity from the river’s flow.
- 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_69b3454b4ae481908967426dd37284d6 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b3569a38e88190a8d590931c4a7c96 |
completed | March 13, 2026, 12:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b62860151c8190b43465537b154f00 |
completed | March 15, 2026, 3:32 a.m. |
| NEDg | Description generation | batch_69b62c3bf15c8190826f93c4c43733e6 |
completed | March 15, 2026, 3:49 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b62cbaef8c8190b5d89a607c76eaf7 |
completed | March 15, 2026, 3:51 a.m. |
Created at: March 12, 2026, 11:34 p.m.