Triple
T1890659
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gatun Lake |
E41866
|
entity |
| Predicate | formedBy |
P972
|
FINISHED |
| Object |
Gatun Dam
Gatun Dam is a large earth-fill dam in Panama that created Gatun Lake and plays a crucial role in the operation of the Panama Canal.
|
E215212
|
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: Gatun Dam | Statement: [Gatun Lake, formedBy, Gatun Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gatun Dam Context triple: [Gatun Lake, formedBy, Gatun Dam]
-
A.
Gatun Lake
Gatun Lake is a large artificial freshwater lake in central Panama that forms a major part of the Panama Canal’s shipping route across the Isthmus of Panama.
-
B.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
C.
El Quimbo Dam
El Quimbo Dam is a large hydroelectric dam on the Magdalena River in Colombia, built to generate power and support the country’s energy supply.
-
D.
Salto Grande Dam
Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
-
E.
Nickajack Dam
Nickajack Dam is a hydroelectric and navigation dam on the Tennessee River in southeastern Tennessee, forming Nickajack Lake and helping control flooding and support regional power generation.
- 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: Gatun Dam Triple: [Gatun Lake, formedBy, Gatun Dam]
Generated description
Gatun Dam is a large earth-fill dam in Panama that created Gatun Lake and plays a crucial role in the operation of the Panama Canal.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gatun Dam Target entity description: Gatun Dam is a large earth-fill dam in Panama that created Gatun Lake and plays a crucial role in the operation of the Panama Canal.
-
A.
Gatun Lake
Gatun Lake is a large artificial freshwater lake in central Panama that forms a major part of the Panama Canal’s shipping route across the Isthmus of Panama.
-
B.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
C.
El Quimbo Dam
El Quimbo Dam is a large hydroelectric dam on the Magdalena River in Colombia, built to generate power and support the country’s energy supply.
-
D.
Salto Grande Dam
Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
-
E.
Nickajack Dam
Nickajack Dam is a hydroelectric and navigation dam on the Tennessee River in southeastern Tennessee, forming Nickajack Lake and helping control flooding and support regional power generation.
- 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_69a8864b6de0819098d089f6a1b910a7 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb14475448190b291ada3454bf98b |
completed | March 7, 2026, 5:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adf3cc8d5c8190bee638183989830c |
completed | March 8, 2026, 10:10 p.m. |
| NEDg | Description generation | batch_69adf48412b08190b6ad0f3abf42a081 |
completed | March 8, 2026, 10:13 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adf4f7c908819089ccdc881af10da9 |
completed | March 8, 2026, 10:15 p.m. |
Created at: March 4, 2026, 7:34 p.m.