Triple
T2201297
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ogallala Aquifer |
E50494
|
entity |
| Predicate | primaryFormation |
P36931
|
FINISHED |
| Object |
Ogallala Formation
The Ogallala Formation is a vast geologic unit of Miocene–Pliocene-age sediments across the central United States that hosts and defines much of the High Plains’ groundwater system.
|
E50494
|
NE FINISHED |
How this triple was built (5 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: Ogallala Formation | Statement: [Ogallala Aquifer, primaryFormation, Ogallala Formation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ogallala Formation Context triple: [Ogallala Aquifer, primaryFormation, Ogallala Formation]
-
A.
Morrison Formation
The Morrison Formation is a vast Late Jurassic sedimentary rock formation in the western United States renowned for its exceptionally rich assemblage of dinosaur fossils, including iconic sauropods and theropods.
-
B.
Kayenta Formation
The Kayenta Formation is an Early Jurassic sandstone and siltstone rock unit on the Colorado Plateau, renowned for its distinctive red cliffs and important dinosaur fossil trackways.
-
C.
Ogallala Aquifer
The Ogallala Aquifer is one of the world’s largest underground freshwater reservoirs, supplying crucial irrigation and drinking water across much of the central United States.
-
D.
Hell Creek Formation
The Hell Creek Formation is a famous Late Cretaceous rock unit in North America renowned for its exceptionally rich dinosaur fossils, including iconic specimens like Tyrannosaurus rex and Triceratops.
-
E.
Chinle Formation
The Chinle Formation is a Late Triassic geologic formation in the southwestern United States, renowned for its colorful badlands, rich fossil beds, and extensive petrified wood deposits.
- 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: Ogallala Formation Triple: [Ogallala Aquifer, primaryFormation, Ogallala Formation]
Generated description
The Ogallala Formation is a vast geologic unit of Miocene–Pliocene-age sediments across the central United States that hosts and defines much of the High Plains’ groundwater system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ogallala Formation Target entity description: The Ogallala Formation is a vast geologic unit of Miocene–Pliocene-age sediments across the central United States that hosts and defines much of the High Plains’ groundwater system.
-
A.
Morrison Formation
The Morrison Formation is a vast Late Jurassic sedimentary rock formation in the western United States renowned for its exceptionally rich assemblage of dinosaur fossils, including iconic sauropods and theropods.
-
B.
Kayenta Formation
The Kayenta Formation is an Early Jurassic sandstone and siltstone rock unit on the Colorado Plateau, renowned for its distinctive red cliffs and important dinosaur fossil trackways.
-
C.
Ogallala Aquifer
chosen
The Ogallala Aquifer is one of the world’s largest underground freshwater reservoirs, supplying crucial irrigation and drinking water across much of the central United States.
-
D.
Hell Creek Formation
The Hell Creek Formation is a famous Late Cretaceous rock unit in North America renowned for its exceptionally rich dinosaur fossils, including iconic specimens like Tyrannosaurus rex and Triceratops.
-
E.
Chinle Formation
The Chinle Formation is a Late Triassic geologic formation in the southwestern United States, renowned for its colorful badlands, rich fossil beds, and extensive petrified wood deposits.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: primaryFormation Context triple: [Ogallala Aquifer, primaryFormation, Ogallala Formation]
-
A.
primaryAxisFormation
Indicates the process or relationship by which the main structural or organizational axis of a system, body, or object is established or developed.
-
B.
formationPrinciple
Indicates the underlying rule, pattern, or principle according to which something is formed, structured, or brought into existence.
-
C.
primaryStructure
Indicates that one entity serves as the main or principal structural component or framework in relation to another entity.
-
D.
geologicalFormationProcess
Indicates the natural geological process or set of processes by which a particular geological formation came into existence.
-
E.
primaryType
Indicates the main or most fundamental category or classification assigned to an entity, distinguishing it from any secondary or auxiliary types.
- F. None of above. chosen
Provenance (7 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_69a88b044ab48190add007487680f009 |
completed | March 4, 2026, 7:41 p.m. |
| NER | Named-entity recognition | batch_69abbfa1b41c8190b0f7467d0dcdfbcd |
completed | March 7, 2026, 6:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae5dbd583c8190bc7355bdf94d6588 |
completed | March 9, 2026, 5:42 a.m. |
| NEDg | Description generation | batch_69ae5e6f8eb481908d75d2c648a88af4 |
completed | March 9, 2026, 5:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae5ee0f5c08190ac98a54346605175 |
completed | March 9, 2026, 5:47 a.m. |
| PD | Predicate disambiguation | batch_69abbda706f4819094de73e1d1d1f539 |
completed | March 7, 2026, 5:54 a.m. |
| PDg | Predicate description generation | batch_69abbf35c994819088a093c412931de4 |
completed | March 7, 2026, 6:01 a.m. |
Created at: March 4, 2026, 7:46 p.m.