Triple
T23335441
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | south-central Nebraska |
E591566
|
entity |
| Predicate | usesIrrigationSource |
P54768
|
FINISHED |
| Object | Ogallala Aquifer |
—
|
NE NERFINISHED |
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: Ogallala Aquifer | Statement: [south-central Nebraska, usesIrrigationSource, Ogallala Aquifer]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ogallala Aquifer Context triple: [south-central Nebraska, usesIrrigationSource, Ogallala Aquifer]
-
A.
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.
-
B.
Trinity Aquifer
The Trinity Aquifer is a major groundwater system in central Texas that supplies water to numerous communities, springs, and natural areas, including Jacob’s Well.
-
C.
Springfield Plateau aquifer
The Springfield Plateau aquifer is a groundwater-bearing geologic formation in the Ozark region that supplies water to springs, wells, and streams across parts of Missouri and neighboring states.
-
D.
Garber-Wellington aquifer system
The Garber-Wellington aquifer system is a major groundwater resource in central Oklahoma, composed of Permian-age sandstones and related formations that supply water for municipal, industrial, and agricultural use.
-
E.
Santa Cruz aquifer system
The Santa Cruz aquifer system is a groundwater reservoir underlying the Santa Cruz River basin that supplies water for municipal, agricultural, and ecological needs in the region.
- 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: usesIrrigationSource Context triple: [south-central Nebraska, usesIrrigationSource, Ogallala Aquifer]
-
A.
usedIrrigation
Indicates that an entity applied or employed an irrigation system or method to supply water to land or crops.
-
B.
usedIrrigationFrom
chosen
Indicates that one entity applied or relied on irrigation resources, systems, or methods originating from another entity.
-
C.
hasIrrigation
Indicates that an entity is equipped with or benefits from an irrigation system supplying water.
-
D.
hasIrrigationDependence
Indicates that one entity relies on another entity or system to provide irrigation for its water needs.
-
E.
hasWaterUse
Indicates a relationship where one entity utilizes or consumes water for a particular purpose, process, or function.
- F. None of above.
Provenance (3 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_69e25d20156c81908c5c53195bd9c738 |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f197f08fe481908766e674164d6d45 |
completed | April 29, 2026, 5:32 a.m. |
| PD | Predicate disambiguation | batch_69effcf8ca2c8190887d4f4656617d21 |
completed | April 28, 2026, 12:19 a.m. |
Created at: April 17, 2026, 5:16 p.m.