Triple
T18339023
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tujunga Wash |
E439349
|
entity |
| Predicate | hasEcosystemRestoration |
P122552
|
FINISHED |
| Object | Tujunga Wash Greenway and Stream Restoration Project |
—
|
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: Tujunga Wash Greenway and Stream Restoration Project | Statement: [Tujunga Wash, hasEcosystemRestoration, Tujunga Wash Greenway and Stream Restoration Project]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tujunga Wash Greenway and Stream Restoration Project Context triple: [Tujunga Wash, hasEcosystemRestoration, Tujunga Wash Greenway and Stream Restoration Project]
-
A.
Tujunga Wash Greenway and Stream Restoration Project
chosen
The Tujunga Wash Greenway and Stream Restoration Project is an urban environmental initiative in Los Angeles that transforms a concrete flood-control channel into a restored stream corridor with native habitat, recreational trails, and improved stormwater management.
-
B.
Sand Creek Watershed Project
The Sand Creek Watershed Project is a flood-control and environmental restoration initiative in Nebraska that created Lake Wanahoo and related conservation infrastructure to reduce flooding, improve water quality, and enhance wildlife habitat.
-
C.
Fountain Creek Watershed Flood Control and Greenway District
The Fountain Creek Watershed Flood Control and Greenway District is a regional governmental entity in Colorado responsible for managing flood control, watershed protection, and greenway development along Fountain Creek and its surrounding basin.
-
D.
Tujunga Wash Greenway
Tujunga Wash Greenway is an urban greenway and multi-use trail in Los Angeles that follows the Tujunga Wash, providing recreational space, habitat restoration, and stormwater management features.
-
E.
Los Angeles River Ecosystem Restoration project
The Los Angeles River Ecosystem Restoration project is a large-scale environmental initiative aimed at revitalizing the Los Angeles River’s natural habitats, improving flood management, and expanding public access to green space along its corridor.
- 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: hasEcosystemRestoration Context triple: [Tujunga Wash, hasEcosystemRestoration, Tujunga Wash Greenway and Stream Restoration Project]
-
A.
hasEcologicalEffort
chosen
Indicates that an entity undertakes actions or initiatives aimed at conserving, restoring, or improving the natural environment or ecosystems.
-
B.
hasLandReclamation
Indicates that an entity has carried out, is involved in, or is characterized by the process of creating new land from oceans, rivers, or other water bodies.
-
C.
hasEcosystemService
Indicates that one entity provides, supports, or is associated with an ecosystem service that benefits another entity or the environment.
-
D.
hasPreservationEfforts
Indicates that actions or measures are being taken to protect, maintain, or restore the condition or existence of something over time.
-
E.
hasConservationProgram
Indicates that an entity maintains or participates in an organized effort to protect, restore, or sustainably manage natural resources, species, or ecosystems.
- 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_69d8b9175fec8190af865699b4e64d8c |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e50ed07db48190a15e957c96b1c5bf |
completed | April 19, 2026, 5:20 p.m. |
| PD | Predicate disambiguation | batch_69e44fe91bc08190906518e1b120fcf0 |
completed | April 19, 2026, 3:45 a.m. |
Created at: April 10, 2026, 10:37 a.m.