Triple
T6210706
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Prosser Creek Dam |
E138860
|
entity |
| Predicate | belongsToWaterSystem |
P36984
|
FINISHED |
| Object | Truckee River water system |
E24142
|
NE FINISHED |
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: Truckee River water system | Statement: [Prosser Creek Dam, belongsToWaterSystem, Truckee River water system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Truckee River water system Context triple: [Prosser Creek Dam, belongsToWaterSystem, Truckee River water system]
-
A.
Truckee River
chosen
The Truckee River is a prominent river in the western United States that flows from Lake Tahoe in the Sierra Nevada through Nevada to Pyramid Lake, providing vital water resources and recreational opportunities to the region.
-
B.
Hetch Hetchy Regional Water System
The Hetch Hetchy Regional Water System is a major water supply and delivery network that provides high-quality drinking water from Sierra Nevada sources to San Francisco and numerous Bay Area communities.
-
C.
Truckee-Carson Project
The Truckee-Carson Project is a major U.S. federal water management and irrigation initiative in western Nevada that diverts and distributes water from the Truckee and Carson rivers to support agriculture and regional development.
-
D.
California portion of Truckee River Basin
The California portion of the Truckee River Basin is the upstream segment of the Truckee River watershed located within California, encompassing Lake Tahoe’s outflow and surrounding tributaries before the river crosses into Nevada.
-
E.
Truckee-Carson Irrigation District
The Truckee-Carson Irrigation District is a water management agency in western Nevada that operates and maintains irrigation and drainage systems, primarily serving agricultural lands in the Truckee and Carson River basins.
- 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: belongsToWaterSystem Context triple: [Prosser Creek Dam, belongsToWaterSystem, Truckee River water system]
-
A.
isPartOfWaterSystem
chosen
Indicates that one entity is a component, segment, or subsystem within a larger water distribution, treatment, or management system.
-
B.
isInWaterwaySystem
Indicates that an entity is part of, contained within, or traverses a particular waterway network or system.
-
C.
hasWaterRightsSystem
Indicates that an entity possesses or is governed by a defined system regulating legal rights to use water resources.
-
D.
hasWaterManagementStructure
Indicates that one entity possesses, contains, or is associated with a built feature used to control, store, convey, or manage water.
-
E.
hydrologicallyConnectedTo
Indicates that two water bodies or hydrological features are linked such that water can flow or be transferred between them, directly or indirectly, through the hydrological system.
- F. None of above.
Provenance (4 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_69c008ada364819096c9e92c74d639b5 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c062896f3881909f264bb45badc5d0 |
completed | March 22, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c65fb2378081909f454539f82a0975 |
completed | March 27, 2026, 10:45 a.m. |
| PD | Predicate disambiguation | batch_69c055fdea3c81908f5d910f0d36234a |
completed | March 22, 2026, 8:50 p.m. |
Created at: March 22, 2026, 4:21 p.m.